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Thread Size
Thread Direction
Diameter
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Travel Distance per Turn
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Hardness
Tensile Strength
DFARS Specialty Metals
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Performance
Specifications Met
Precision Acme Lead Screws and Nuts
 |
Pair with a motor in automated motion and positioning applications. A tight thread fit allows these lead screws and nuts to make accurate, repeatable starts and stops. Also known as single-start and self-locking lead screws and nuts, they have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won’t unexpectedly move when the lead screw is at rest. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.
Round Nuts—Right-Hand Thread
 |
Iron—Iron nuts have good machinability and high strength.
932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
PET—PET plastic nuts are lightweight and corrosion resistant.
PEEK—PEEK plastic nuts handle twice as much heat as PET and acetal plastic nuts. They have good chemical resistance and excellent corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | Temp., ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron | |||||||||||||||
| 3/8"-8 | 3/4" | 1.344" | Stub Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A521 | 000000 | ||
| 3/8"-10 | 3/4" | 1.344" | Stub Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A523 | 00000 | ||
| 3/8"-12 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.083" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A111 | 00000 | ||
| 3/8"-16 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.063" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A529 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A115 | 00000 | ||
| 5/8"-5 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A513 | 00000 | ||
| 5/8"-8 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A119 | 00000 | ||
| 5/8"-10 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A525 | 00000 | ||
| 3/4"-5 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A123 | 00000 | ||
| 3/4"-6 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A127 | 00000 | ||
| 3/4"-10 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A526 | 00000 | ||
| 7/8"-6 | 2" | 2.985" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Not Rated | Not Rated | Not Rated | — | 95365A631 | 00000 | ||
| 1"-4 | 2" | 2.984" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A506 | 00000 | ||
| 1"-5 | 2" | 2.984" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A131 | 00000 | ||
| 1"-6 | 2" | 2.984" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A135 | 00000 | ||
| 1"-10 | 2" | 2.984" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A139 | 000000 | ||
| 1 1/4"-4 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A507 | 000000 | ||
| 1 1/4"-5 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A143 | 000000 | ||
| 1 1/2"-4 | 3" | 4.469" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A147 | 000000 | ||
932 Bearing Bronze | |||||||||||||||
| 3/8"-8 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K131 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K133 | 00000 | ||
| 3/8"-12 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.083" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K138 | 00000 | ||
| 3/8"-16 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.063" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K39 | 00000 | ||
| 1/2"-10 | 1" | 1.465" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 1,300 | — | 1343K134 | 00000 | ||
| 5/8"-5 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 2,000 | — | 1343K23 | 00000 | ||
| 5/8"-8 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 65 | Not Rated | 2,000 | — | 1343K132 | 00000 | ||
| 5/8"-10 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 2,000 | — | 1343K135 | 00000 | ||
| 3/4"-5 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 2,900 | — | 1343K124 | 000000 | ||
| 3/4"-6 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 2,900 | — | 1343K128 | 000000 | ||
| 3/4"-10 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 2,900 | — | 1343K136 | 000000 | ||
| 1"-4 | 2" | 2.984" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K116 | 000000 | ||
| 1"-5 | 2" | 2.984" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K125 | 000000 | ||
| 1"-6 | 2" | 2.984" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K129 | 000000 | ||
| 1"-10 | 2" | 2.984" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K137 | 000000 | ||
| 1 1/4"-4 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 7,850 | — | 1343K117 | 000000 | ||
| 1 1/4"-5 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 7,850 | — | 1343K126 | 000000 | ||
| 1 1/2"-4 | 3" | 4.469" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 12,000 | — | 1343K118 | 000000 | ||
PET | |||||||||||||||
| 3/8"-8 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K134 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K138 | 00000 | ||
| 3/8"-12 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.083" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K149 | 00000 | ||
| 3/8"-16 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.063" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K39 | 00000 | ||
| 1/2"-10 | 1" | 1.465" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 650 | 15 to 175 | 1349K141 | 00000 | ||
| 5/8"-5 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Not Rated | Not Rated | 1,000 | 15 to 175 | 1349K23 | 00000 | ||
| 5/8"-8 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Not Rated | Not Rated | 1,000 | 15 to 175 | 1349K136 | 00000 | ||
| 5/8"-10 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 1,000 | 15 to 175 | 1349K143 | 00000 | ||
| 3/4"-5 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Not Rated | Not Rated | 1,450 | 15 to 175 | 1349K121 | 000000 | ||
| 3/4"-6 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Not Rated | Not Rated | 1,450 | 15 to 175 | 1349K129 | 000000 | ||
| 3/4"-10 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 1,450 | 15 to 175 | 1349K145 | 000000 | ||
PEEK | |||||||||||||||
| 1/2"-10 | 1" | 1.5" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | 16,000 | 5,650 | -40 to 525 | 90493A250 | 000000 | ||
Round Nuts—Left-Hand Thread
|
Iron—Iron nuts have good machinability and high strength.
932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
PET—PET plastic nuts are lightweight and corrosion resistant.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Temp., ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron | |||||||||||||||
| 3/8"-8 | 3/4" | 1.344" | Stub Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A621 | 000000 | ||
| 3/8"-10 | 3/4" | 1.344" | Stub Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A623 | 00000 | ||
| 3/8"-12 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.083" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A311 | 00000 | ||
| 3/8"-16 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.063" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A629 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A315 | 00000 | ||
| 5/8"-5 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A613 | 00000 | ||
| 5/8"-8 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A319 | 00000 | ||
| 5/8"-10 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A625 | 00000 | ||
| 3/4"-5 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A323 | 00000 | ||
| 3/4"-6 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A327 | 00000 | ||
| 3/4"-10 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A626 | 00000 | ||
| 1"-4 | 2" | 2.984" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A606 | 000000 | ||
| 1"-5 | 2" | 2.984" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A331 | 000000 | ||
| 1"-6 | 2" | 2.984" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A335 | 00000 | ||
| 1"-10 | 2" | 2.984" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A339 | 00000 | ||
| 1 1/4"-4 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A607 | 000000 | ||
| 1 1/4"-5 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A343 | 000000 | ||
| 1 1/2"-4 | 3" | 4.469" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A347 | 000000 | ||
932 Bearing Bronze | |||||||||||||||
| 3/8"-8 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K231 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K233 | 00000 | ||
| 3/8"-12 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.083" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K238 | 00000 | ||
| 1/2"-10 | 1" | 1.465" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 1,300 | — | 1343K234 | 00000 | ||
| 5/8"-8 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Brinell 65 | Not Rated | 2,000 | — | 1343K232 | 00000 | ||
| 5/8"-10 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 2,000 | — | 1343K235 | 00000 | ||
| 3/4"-5 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 2,900 | — | 1343K224 | 000000 | ||
| 3/4"-6 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 2,900 | — | 1343K228 | 000000 | ||
| 3/4"-10 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 2,900 | — | 1343K236 | 000000 | ||
| 1"-4 | 2" | 2.984" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K216 | 000000 | ||
| 1"-5 | 2" | 2.984" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K225 | 000000 | ||
| 1"-6 | 2" | 2.984" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K229 | 000000 | ||
| 1"-10 | 2" | 2.984" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | — | 1343K237 | 000000 | ||
| 1 1/4"-4 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 7,850 | — | 1343K217 | 000000 | ||
| 1 1/4"-5 | 2 1/2" | 3.734" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 7,850 | — | 1343K226 | 000000 | ||
| 1 1/2"-4 | 3" | 4.469" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 12,000 | — | 1343K218 | 000000 | ||
PET | |||||||||||||||
| 3/8"-8 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K135 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K139 | 00000 | ||
| 3/8"-12 | 3/4" | 1.344" | Acme | 1:1 | 1 | 0.083" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K151 | 00000 | ||
| 1/2"-10 | 1" | 1.465" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 650 | 15 to 175 | 1349K142 | 00000 | ||
| 5/8"-8 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.125" | Acme Class 2C | Not Rated | Not Rated | 1,000 | 15 to 175 | 1349K137 | 00000 | ||
| 5/8"-10 | 1 1/4" | 1.859" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 1,000 | 15 to 175 | 1349K144 | 00000 | ||
| 3/4"-5 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Not Rated | Not Rated | 1,450 | 15 to 175 | 1349K122 | 000000 | ||
| 3/4"-6 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Not Rated | Not Rated | 1,450 | 15 to 175 | 1349K131 | 000000 | ||
| 3/4"-10 | 1 1/2" | 2.234" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Not Rated | Not Rated | 1,450 | 15 to 175 | 1349K146 | 000000 | ||
Platform Nuts—Left-Hand Thread
 |
Platform nuts have wide, machinable surfaces for custom mounting.
932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Thread Size | Lg. | Wd. | Ht. | Ctr. Ht. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
932 Bearing Bronze | ||||||||||||||||
| 1/2"-10 | 1 3/4" | 2" | 1 1/8" | 5/8" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 1,200 | 1710K49 | 0000000 | ||
| 3/4"-5 | 2 1/4" | 2 5/8" | 1 5/8" | 15/16" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 2,800 | 1710K44 | 000000 | ||
| 3/4"-6 | 2 1/4" | 2 5/8" | 1 5/8" | 15/16" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 2,800 | 1710K47 | 000000 | ||
| 3/4"-10 | 2 1/4" | 2 5/8" | 1 5/8" | 15/16" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 2,800 | 1710K51 | 000000 | ||
| 1"-4 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K41 | 000000 | ||
| 1"-5 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K45 | 000000 | ||
| 1"-6 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K48 | 000000 | ||
| 1"-10 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K52 | 000000 | ||
| 1 1/2"-4 | 4 1/2" | 3 5/8" | 2 9/16" | 1 1/2" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 11,000 | 1710K43 | 000000 | ||
Platform Nuts—Right-Hand Thread
|
Platform nuts have wide, machinable surfaces for custom mounting.
932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Thread Size | Lg. | Wd. | Ht. | Ctr. Ht. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
932 Bearing Bronze | ||||||||||||||||
| 1/2"-10 | 1 3/4" | 2" | 1 1/8" | 5/8" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 1,200 | 1710K9 | 0000000 | ||
| 3/4"-5 | 2 1/4" | 2 5/8" | 1 5/8" | 15/16" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 2,800 | 1710K4 | 000000 | ||
| 3/4"-6 | 2 1/4" | 2 5/8" | 1 5/8" | 15/16" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 2,800 | 1710K7 | 000000 | ||
| 3/4"-10 | 2 1/4" | 2 5/8" | 1 5/8" | 15/16" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 2,800 | 1710K11 | 000000 | ||
| 1"-4 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K1 | 000000 | ||
| 1"-5 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K5 | 000000 | ||
| 1"-6 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.167" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K8 | 000000 | ||
| 1"-10 | 3" | 3" | 1 15/16" | 1 1/8" | Acme | 1:1 | 1 | 0.1" | Acme Class 2C | Brinell 65 | Not Rated | 5,000 | 1710K12 | 000000 | ||
| 1 1/2"-4 | 4 1/2" | 3 5/8" | 2 9/16" | 1 1/2" | Acme | 1:1 | 1 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 11,000 | 1710K3 | 000000 | ||
Acme Lead Screws and Nuts
 |
Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.
Round Nuts—Right-Hand Thread
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Round nuts move objects along the length of a lead screw.
Cast Iron—Cast iron components have good machinability and high strength.
360 Brass—360 brass components have excellent machinability and good corrosion resistance.
932 Bearing Bronze—932 bearing bronze components are more wear resistant than brass components. They have good machinability and fair corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
Thread Size | Thread Type | Ht. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cast Iron | ||||||||||||||
| 1/2"-10 | Acme | 1" | 1 15/32" | 1 | 1:1 | 0.1" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A103 | 000000 | ||
| 5/8"-8 | Acme | 1 1/4" | 1 55/64" | 1 | 1:1 | 0.125" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A108 | 00000 | ||
| 3/4"-5 | Acme | 1 1/2" | 2 15/64" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A112 | 00000 | ||
| 3/4"-6 | Acme | 1 1/2" | 2 15/64" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A113 | 00000 | ||
| 1"-5 | Acme | 2" | 2 63/64" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A122 | 00000 | ||
| 1"-6 | Acme | 2" | 2 63/64" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A123 | 00000 | ||
| 1"-10 | Acme | 2" | 2 63/64" | 1 | 1:1 | 0.1" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A125 | 00000 | ||
| 1 1/4"-5 | Acme | 2 1/2" | 3 47/64" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A128 | 000000 | ||
| 1 1/2"-4 | Acme | 3" | 4 15/32" | 1 | 1:1 | 0.25" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A132 | 000000 | ||
360 Brass | ||||||||||||||
| 3/8"-12 | Acme | 3/8" | 3/4" | 1 | 1:1 | 0.083" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A101 | 0000 | ||
| 1/2"-10 | Acme | 1/2" | 7/8" | 1 | 1:1 | 0.1" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A103 | 0000 | ||
| 5/8"-8 | Acme | 5/8" | 1" | 1 | 1:1 | 0.125" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A105 | 00000 | ||
| 3/4"-5 | Acme | 3/4" | 1 1/4" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A107 | 00000 | ||
| 3/4"-6 | Acme | 3/4" | 1 1/4" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A109 | 00000 | ||
| 7/8"-6 | Acme | 7/8" | 1 1/2" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A117 | 00000 | ||
| 1"-5 | Acme | 1" | 1 5/8" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A119 | 00000 | ||
| 1"-6 | Acme | 1" | 1 5/8" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A121 | 00000 | ||
| 1"-10 | Acme | 1" | 1 5/8" | 1 | 1:1 | 0.1" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A123 | 00000 | ||
| 1 1/4"-5 | Acme | 1 1/4" | 2" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A127 | 00000 | ||
| 1 1/2"-4 | Acme | 1 1/2" | 2 1/2" | 1 | 1:1 | 0.25" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A129 | 00000 | ||
932 Bearing Bronze | ||||||||||||||
| 1/4"-16 | Acme | 17/32" | 25/32" | 1 | 1:1 | 0.063" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A501 | 00000 | ||
| 3/8"-12 | Acme | 3/4" | 7/8" | 1 | 1:1 | 0.083" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A502 | 00000 | ||
| 1/2"-10 | Acme | 29/32" | 29/32" | 1 | 1:1 | 0.1" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A104 | 00000 | ||
| 5/8"-8 | Acme | 1 1/32" | 1 9/32" | 1 | 1:1 | 0.125" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A108 | 00000 | ||
| 3/4"-5 | Acme | 1 9/32" | 1 13/32" | 1 | 1:1 | 0.2" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A112 | 00000 | ||
| 3/4"-6 | Acme | 1 17/64" | 1 13/32" | 1 | 1:1 | 0.167" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A117 | 00000 | ||
| 7/8"-6 | Acme | 1 17/32" | 1 21/32" | 1 | 1:1 | 0.167" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A503 | 00000 | ||
| 1"-4 | Acme | 1 17/32" | 1 21/32" | 1 | 1:1 | 0.25" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A504 | 00000 | ||
| 1"-5 | Acme | 1 17/32" | 1 21/32" | 1 | 1:1 | 0.2" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A127 | 00000 | ||
| 1"-6 | Acme | 1 17/32" | 1 21/32" | 1 | 1:1 | 0.167" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A505 | 00000 | ||
| 1"-10 | Acme | 1 17/32" | 1 21/32" | 1 | 1:1 | 0.1" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A506 | 00000 | ||
| 1 1/4"-4 | Acme | 2 1/64" | 2 5/32" | 1 | 1:1 | 0.25" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A507 | 00000 | ||
| 1 1/4"-5 | Acme | 2 1/64" | 2 5/32" | 1 | 1:1 | 0.2" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A129 | 00000 | ||
| 1 1/2"-4 | Acme | 3" | 2 25/32" | 1 | 1:1 | 0.25" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A133 | 000000 | ||
| 2"-4 | Acme | 4 1/64" | 3 9/32" | 1 | 1:1 | 0.25" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A136 | 000000 | ||
Round Nuts—Left-Hand Thread
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Round nuts move objects along the length of a lead screw.
Cast Iron—Cast iron components have good machinability and high strength.
360 Brass—360 brass components have excellent machinability and good corrosion resistance.
932 Bearing Bronze—932 bearing bronze components are more wear resistant than brass components. They have good machinability and fair corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut or handle moves with one revolution of the lead screw.
Thread Size | Thread Type | Ht. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cast Iron | ||||||||||||||
| 1/2"-10 | Acme | 1" | 1 15/32" | 1 | 1:1 | 0.1" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A403 | 000000 | ||
| 5/8"-8 | Acme | 1 1/4" | 1 55/64" | 1 | 1:1 | 0.125" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A408 | 00000 | ||
| 3/4"-5 | Acme | 1 1/2" | 2 15/64" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A412 | 00000 | ||
| 3/4"-6 | Acme | 1 1/2" | 2 15/64" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A413 | 00000 | ||
| 1"-5 | Acme | 2" | 2 63/64" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B96 | Not Rated | — | 95080A422 | 000000 | ||
360 Brass | ||||||||||||||
| 1/2"-10 | Acme | 1/2" | 7/8" | 1 | 1:1 | 0.1" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A403 | 0000 | ||
| 5/8"-8 | Acme | 5/8" | 1" | 1 | 1:1 | 0.125" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A405 | 00000 | ||
| 3/4"-5 | Acme | 3/4" | 1 1/4" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A407 | 00000 | ||
| 3/4"-6 | Acme | 3/4" | 1 1/4" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A409 | 00000 | ||
| 7/8"-6 | Acme | 7/8" | 1 1/2" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A417 | 00000 | ||
| 1"-5 | Acme | 1" | 1 5/8" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A419 | 00000 | ||
| 1"-6 | Acme | 1" | 1 5/8" | 1 | 1:1 | 0.167" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A421 | 00000 | ||
| 1"-10 | Acme | 1" | 1 5/8" | 1 | 1:1 | 0.1" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A423 | 00000 | ||
| 1 1/4"-5 | Acme | 1 1/4" | 2" | 1 | 1:1 | 0.2" | Acme Class 2G | Rockwell B55 | Not Rated | ASTM B16 | 95100A427 | 00000 | ||
932 Bearing Bronze | ||||||||||||||
| 1/2"-10 | Acme | 29/32" | 29/32" | 1 | 1:1 | 0.1" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A404 | 00000 | ||
| 5/8"-8 | Acme | 1 1/32" | 1 9/32" | 1 | 1:1 | 0.125" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A408 | 00000 | ||
| 3/4"-5 | Acme | 1 9/32" | 1 13/32" | 1 | 1:1 | 0.2" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A412 | 00000 | ||
| 3/4"-6 | Acme | 1 9/32" | 1 13/32" | 1 | 1:1 | 0.167" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A417 | 00000 | ||
| 1"-5 | Acme | 1 17/32" | 1 21/32" | 1 | 1:1 | 0.2" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A427 | 00000 | ||
| 1 1/4"-5 | Acme | 2 1/64" | 2 5/32" | 1 | 1:1 | 0.2" | Acme Class 2G | Not Rated | Not Rated | ASTM B505 | 95090A429 | 00000 | ||
Metric Fast-Travel Ultra-Precision Lead Screws and Nuts
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Style A | Style C | Style D |
Round Nuts—Right-Hand Thread
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Style A |
Acetal—Acetal nuts have good wear and corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Style | Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap. | Temp., ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Acetal | |||||||||||||||
| A | M8 × 2.5 mm | 15/32" | 0.709" | Metric Rounded Trapezoidal | 4:1 | 4 | 10 | Durometer 74D | 10,000 | Not Rated | -40 to 185 | 2391N17 | 000000 | ||
| A | M10 × 3 mm | 25/32" | 0.866" | Metric Rounded Trapezoidal | 4:1 | 4 | 12 | Durometer 74D | 10,000 | Not Rated | -40 to 185 | 2391N18 | 00000 | ||
| A | M12 × 2.5 mm | 15/16" | 1.024" | Metric Rounded Trapezoidal | 2:1 | 2 | 5 | Durometer 74D | 10,000 | Not Rated | -40 to 185 | 2391N19 | 00000 | ||
| A | M16 × 5 mm | 1 17/64" | 1.417" | Metric Rounded Trapezoidal | 7:1 | 7 | 35 | Durometer 74D | 10,000 | Not Rated | -40 to 185 | 2391N21 | 00000 | ||
| A | M20 × 5 mm | 1 37/64" | 1.772" | Metric Rounded Trapezoidal | 4:1 | 4 | 20 | Durometer 74D | 10,000 | Not Rated | -40 to 185 | 2391N22 | 00000 | ||
| A | M20 × 7.5 mm | 1 37/64" | 1.772" | Metric Rounded Trapezoidal | 8:1 | 8 | 60 | Durometer 74D | 10,000 | Not Rated | -40 to 185 | 2391N23 | 00000 | ||
Externally Threaded Nuts—Right-Hand Thread
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Style C |
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
External Thread | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Thread Size | Lg. | Wd. | Ht. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Size | Lg. | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Each | |||
PEEK | |||||||||||||||||
| C | M2 × 0.4 mm | 5/16" | 0.22" | 0.197" | Metric Rounded Trapezoidal | 2:1 | 2 | 0.75 | M5 × 0.8 mm | 9/64" | Durometer 83D | Not Rated | 2 | 4537N161 | 000000 | ||
| C | M2 × 0.4 mm | 5/16" | 0.22" | 0.197" | Metric Rounded Trapezoidal | 4:1 | 4 | 1.5 | M5 × 0.8 mm | 9/64" | Durometer 83D | Not Rated | 2 | 4537N162 | 00000 | ||
| C | M2 × 0.4 mm | 5/16" | 0.22" | 0.197" | Metric Rounded Trapezoidal | 8:1 | 8 | 3 | M5 × 0.8 mm | 9/64" | Durometer 83D | Not Rated | 2 | 4537N163 | 00000 | ||
| C | M3 × 0.5 mm | 13/32" | 0.311" | 0.276" | Metric Rounded Trapezoidal | 2:1 | 2 | 1 | M7 × 0.75 mm | 5/32" | Durometer 83D | Not Rated | 4 | 4537N164 | 00000 | ||
| C | M3 × 0.5 mm | 13/32" | 0.311" | 0.276" | Metric Rounded Trapezoidal | 6:1 | 6 | 3 | M7 × 0.75 mm | 5/32" | Durometer 83D | Not Rated | 4 | 4537N165 | 00000 | ||
| C | M4 × 1 mm | 1/2" | 0.402" | 0.354" | Metric Rounded Trapezoidal | 4:1 | 4 | 4 | M9 × 1 mm | 13/64" | Durometer 83D | Not Rated | 4 | 4537N166 | 00000 | ||
| C | M4 × 1 mm | 1/2" | 0.402" | 0.354" | Metric Rounded Trapezoidal | 8:1 | 8 | 8 | M9 × 1 mm | 13/64" | Durometer 83D | Not Rated | 10 | 4537N167 | 00000 | ||
Flange Nuts—Right-Hand Thread
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Style D | Style D |
Wear-Compensating Internal O-Ring—Flange nuts with a wear-compensating internal O-ring resist backlash to keep the nuts in place and maintain a tight fit even when their threads begin to wear. They’re often used in 3D printing and robotic applications.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Flange | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | Thread Size | Lg. | Dia. | Wd. | Ht. | Thk. | Thread Type | Speed Ratio | Bolt Circle Dia. | No. of Thread Starts | Travel Distance per Turn, mm | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | No. of Mounting Holes | Each | |||
PEEK | |||||||||||||||||||
| D | M2 × 0.4 mm | 9/32" | 0.209" | 15/32" | 15/64" | 5/64" | Metric Rounded Trapezoidal | 2:1 | 11/32" | 2 | 0.75 | Durometer 83D | Not Rated | 2 | 2 | 4537N181 | 000000 | ||
| D | M2 × 0.4 mm | 9/32" | 0.209" | 15/32" | 15/64" | 5/64" | Metric Rounded Trapezoidal | 4:1 | 11/32" | 4 | 1.5 | Durometer 83D | Not Rated | 2 | 2 | 4537N182 | 00000 | ||
| D | M2 × 0.4 mm | 9/32" | 0.209" | 15/32" | 15/64" | 5/64" | Metric Rounded Trapezoidal | 8:1 | 11/32" | 8 | 3 | Durometer 83D | Not Rated | 2 | 2 | 4537N183 | 00000 | ||
| D | M3 × 0.5 mm | 21/64" | 0.295" | 39/64" | 5/16" | 3/32" | Metric Rounded Trapezoidal | 2:1 | 15/32" | 2 | 1 | Durometer 83D | Not Rated | 4 | 2 | 4537N184 | 00000 | ||
| D | M3 × 0.5 mm | 21/64" | 0.295" | 39/64" | 5/16" | 3/32" | Metric Rounded Trapezoidal | 6:1 | 15/32" | 6 | 3 | Durometer 83D | Not Rated | 4 | 2 | 4537N185 | 00000 | ||
| D | M3 × 0.5 mm | 21/64" | 0.295" | 39/64" | 5/16" | 3/32" | Metric Rounded Trapezoidal | 12:1 | 15/32" | 12 | 6 | Durometer 83D | Not Rated | 4 | 2 | 4537N186 | 00000 | ||
| D | M4 × 1 mm | 13/32" | 0.354" | 3/4" | 13/32" | 1/8" | Metric Rounded Trapezoidal | 4:1 | 19/32" | 4 | 4 | Durometer 83D | Not Rated | 10 | 2 | 4537N187 | 00000 | ||
| D | M4 × 1 mm | 13/32" | 0.354" | 3/4" | 13/32" | 1/8" | Metric Rounded Trapezoidal | 8:1 | 19/32" | 8 | 8 | Durometer 83D | Not Rated | 10 | 2 | 4537N188 | 00000 | ||
PEEK with Wear-Compensating Internal O-Ring | |||||||||||||||||||
| D | M2 × 0.4 mm | 5/16" | 0.228" | 15/32" | 15/64" | 5/64" | Metric Rounded Trapezoidal | 2:1 | 11/32" | 2 | 0.75 | Durometer 83D | Not Rated | 1 | 2 | 4537N201 | 00000 | ||
| D | M2 × 0.4 mm | 5/16" | 0.228" | 15/32" | 15/64" | 5/64" | Metric Rounded Trapezoidal | 4:1 | 11/32" | 4 | 1.5 | Durometer 83D | Not Rated | 1 | 2 | 4537N202 | 00000 | ||
| D | M2 × 0.4 mm | 5/16" | 0.228" | 15/32" | 15/64" | 5/64" | Metric Rounded Trapezoidal | 8:1 | 11/32" | 8 | 3 | Durometer 83D | Not Rated | 1 | 2 | 4537N203 | 00000 | ||
| D | M3 × 0.5 mm | 25/64" | 0.315" | 39/64" | 5/16" | 3/32" | Metric Rounded Trapezoidal | 2:1 | 15/32" | 2 | 1 | Durometer 83D | Not Rated | 2 | 2 | 4537N204 | 00000 | ||
| D | M3 × 0.5 mm | 25/64" | 0.315" | 39/64" | 5/16" | 3/32" | Metric Rounded Trapezoidal | 6:1 | 15/32" | 6 | 3 | Durometer 83D | Not Rated | 2 | 2 | 4537N205 | 00000 | ||
| D | M3 × 0.5 mm | 25/64" | 0.315" | 39/64" | 5/16" | 3/32" | Metric Rounded Trapezoidal | 12:1 | 15/32" | 12 | 6 | Durometer 83D | Not Rated | 2 | 2 | 4537N206 | 00000 | ||
| D | M4 × 1 mm | 31/64" | 0.406" | 3/4" | 13/32" | 1/8" | Metric Rounded Trapezoidal | 4:1 | 19/32" | 4 | 4 | Durometer 83D | Not Rated | 4 | 2 | 4537N207 | 00000 | ||
| D | M4 × 1 mm | 31/64" | 0.406" | 3/4" | 13/32" | 1/8" | Metric Rounded Trapezoidal | 8:1 | 19/32" | 8 | 8 | Durometer 83D | Not Rated | 4 | 2 | 4537N208 | 00000 | ||
Metric Precision Lead Screws and Nuts
|
Pair with a motor in automated motion and positioning applications. A tight thread fit allows these lead screws and nuts to make accurate, repeatable starts and stops. Also known as single-start and self-locking lead screws and nuts, they have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won’t unexpectedly move when the lead screw is at rest. To ensure compatibility, select components that have the same thread direction, size, and number of thread starts.
Round Nuts—Right-Hand Thread
 |
932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | Specs. Met | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
932 Bearing Bronze | |||||||||||||||
| M10 × 2 mm | 3/4" | 0.75" | Metric Trapezoidal | 1:1 | 1 | 2 | Metric Trapezoidal Class 7H | Brinell 70 | Not Rated | 670 | DIN 103 | 7549K32 | 000000 | ||
| M12 × 3 mm | 1" | 0.875" | Metric Trapezoidal | 1:1 | 1 | 3 | Metric Trapezoidal Class 7H | Brinell 70 | Not Rated | 1,100 | DIN 103 | 7549K33 | 00000 | ||
| M16 × 3 mm | 1 1/8" | 1.125" | Metric Trapezoidal | 1:1 | 1 | 3 | Metric Trapezoidal Class 7H | Brinell 70 | Not Rated | 2,000 | DIN 103 | 7549K35 | 00000 | ||
| M20 × 4 mm | 1 1/2" | 1.25" | Metric Trapezoidal | 1:1 | 1 | 4 | Metric Trapezoidal Class 7H | Brinell 70 | Not Rated | 3,100 | DIN 103 | 7549K37 | 00000 | ||
| M24 × 5 mm | 2" | 1.75" | Metric Trapezoidal | 1:1 | 1 | 5 | Metric Trapezoidal Class 7H | Brinell 70 | Not Rated | 4,500 | DIN 103 | 7549K38 | 00000 | ||
| M28 × 5 mm | 2" | 1.75" | Metric Trapezoidal | 1:1 | 1 | 5 | Metric Trapezoidal Class 7H | Brinell 69 | 44,000 | 6,100 | DIN 103 | 7549K87 | 00000 | ||
| M40 × 7 mm | 3" | 2.5" | Metric Trapezoidal | 1:1 | 1 | 7 | Metric Trapezoidal Class 7H | Brinell 70 | Not Rated | 12,300 | DIN 103 | 7549K43 | 00000 | ||
Fast-Travel Precision Acme Lead Screws and Nuts
 |
Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start. The threads have a tight thread fit for accurate, repeatable starts and stops. Pair with a motor in automated motion and positioning applications. To ensure compatibility, please select components that have the same thread direction, thread size, and number of thread starts.
Round Nuts—Right-Hand Thread
 |
Iron—Iron nuts have good machinability and high strength.
932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
PET—PET plastic nuts are lightweight and corrosion resistant.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Temp., ° F | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Iron | |||||||||||||||
| 1/4"-12 | 3/4" | 1.344" | Stub Acme | 4:1 | 4 | 0.333" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A503 | 000000 | ||
| 3/8"-8 | 3/4" | 1.344" | Stub Acme | 2:1 | 2 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A504 | 00000 | ||
| 3/8"-8 | 3/4" | 1.344" | Stub Acme | 4:1 | 4 | 0.5" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A501 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Stub Acme | 2:1 | 2 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A511 | 00000 | ||
| 1/2"-8 | 1" | 1.469" | Acme | 2:1 | 2 | 0.25" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A505 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 2:1 | 2 | 0.2" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A512 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Stub Acme | 5:1 | 5 | 0.5" | Acme Class 2C | Brinell 217 | Not Rated | Not Rated | — | 95365A502 | 00000 | ||
932 Bearing Bronze | |||||||||||||||
| 1/4"-12 | 3/4" | 1.344" | Acme | 4:1 | 4 | 0.333" | Acme Class 2C | Brinell 65 | Not Rated | 320 | — | 1343K113 | 00000 | ||
| 3/8"-8 | 3/4" | 1.344" | Acme | 2:1 | 2 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K114 | 00000 | ||
| 3/8"-8 | 3/4" | 1.344" | Acme | 4:1 | 4 | 0.5" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K111 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Acme | 2:1 | 2 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 700 | — | 1343K121 | 00000 | ||
| 1/2"-8 | 1" | 1.469" | Acme | 2:1 | 2 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 1,300 | — | 1343K15 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 2:1 | 2 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 1,300 | — | 1343K22 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 5:1 | 5 | 0.5" | Acme Class 2C | Brinell 65 | Not Rated | 1,300 | — | 1343K112 | 00000 | ||
PET | |||||||||||||||
| 1/4"-12 | 3/4" | 1.344" | Acme | 4:1 | 4 | 0.333" | Acme Class 2C | Not Rated | Not Rated | 160 | 15 to 175 | 1349K105 | 00000 | ||
| 3/8"-8 | 3/4" | 1.344" | Acme | 2:1 | 2 | 0.25" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K107 | 00000 | ||
| 3/8"-8 | 3/4" | 1.344" | Acme | 4:1 | 4 | 0.5" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K101 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Acme | 2:1 | 2 | 0.2" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 1349K118 | 00000 | ||
| 1/2"-8 | 1" | 1.469" | Acme | 2:1 | 2 | 0.25" | Acme Class 2C | Not Rated | Not Rated | 650 | 15 to 175 | 1349K15 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 2:1 | 2 | 0.2" | Acme Class 2C | Not Rated | Not Rated | 650 | 15 to 175 | 1349K22 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 5:1 | 5 | 0.5" | Acme Class 2C | Not Rated | Not Rated | 650 | 15 to 175 | 1349K103 | 00000 | ||
Round Nuts—Left-Hand Thread
|
932 Bearing Bronze—932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
Travel Distance per Turn—Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
932 Bearing Bronze | ||||||||||||||
| 1/4"-12 | 3/4" | 1.344" | Acme | 4:1 | 4 | 0.333" | Acme Class 2C | Brinell 65 | Not Rated | 320 | 1343K213 | 000000 | ||
| 3/8"-8 | 3/4" | 1.344" | Acme | 2:1 | 2 | 0.25" | Acme Class 2C | Brinell 65 | Not Rated | 700 | 1343K214 | 00000 | ||
| 3/8"-8 | 3/4" | 1.344" | Acme | 4:1 | 4 | 0.5" | Acme Class 2C | Brinell 65 | Not Rated | 700 | 1343K211 | 00000 | ||
| 3/8"-10 | 3/4" | 1.344" | Acme | 2:1 | 2 | 0.2" | Acme Class 2C | Brinell 65 | Not Rated | 700 | 1343K221 | 00000 | ||
| 1/2"-10 | 1" | 1.469" | Acme | 5:1 | 5 | 0.5" | Acme Class 2C | Brinell 65 | Not Rated | 1,300 | 1343K212 | 00000 | ||
