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System of Measurement System of Measurement |
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Nut Type Nut Type |
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![]() | Externally Threaded |
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Thread Direction Thread Direction |
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Right Hand | Left Hand |
External Thread Size External Thread Size |
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Dynamic Thrust Load Capacity Dynamic ThrustLoad Capacity |
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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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Hardness Hardness |
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More
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 and size.
932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
For technical drawings and 3-D models, click on a part number.
Combine externally threaded nuts with a flange to create a custom flange nut.
External Thread | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Each | |
673 Bronze | ||||||||||||
1/4"-16 | 5/8" | 0.688" | 1 | 1:1 | 0.063" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
3/8"-8 | 5/8" | 0.688" | 1 | 1:1 | 0.125" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/8"-10 | 5/8" | 0.688" | 1 | 1:1 | 0.1" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/8"-12 | 5/8" | 0.688" | 1 | 1:1 | 0.083" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/8"-16 | 5/8" | 0.688" | 1 | 1:1 | 0.063" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1/2"-10 | 3/4" | 1.125" | 1 | 1:1 | 0.1" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
5/8"-5 | 1" | 1.125" | 1 | 1:1 | 0.2" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
5/8"-8 | 1" | 1.125" | 1 | 1:1 | 0.125" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
5/8"-10 | 1" | 1.125" | 1 | 1:1 | 0.1" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-5 | 1 1/4" | 1.125" | 1 | 1:1 | 0.2" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-6 | 1 1/4" | 1.125" | 1 | 1:1 | 0.167" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-10 | 1 1/4" | 1.125" | 1 | 1:1 | 0.1" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
7/8"-6 | 1 1/2" | 1.5" | 1 | 1:1 | 0.167" | 1 3/8"-16 | 1/2" | Class 2C | Not Rated | Not Rated | 000000000 | 00000 |
1"-4 | 1 1/2" | 1.5" | 1 | 1:1 | 0.25" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-5 | 1 1/2" | 1.5" | 1 | 1:1 | 0.2" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-6 | 1 1/2" | 1.5" | 1 | 1:1 | 0.167" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-10 | 1 1/2" | 1.5" | 1 | 1:1 | 0.1" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/4"-4 | 1 3/4" | 2.125" | 1 | 1:1 | 0.25" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/4"-5 | 1 3/4" | 2.125" | 1 | 1:1 | 0.2" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/2"-4 | 2 19/64" | 2.125" | 1 | 1:1 | 0.25" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
1 1/2"-5 | 2 19/64" | 2.125" | 1 | 1:1 | 0.2" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
2"-4 | 2 3/4" | 2.75" | 1 | 1:1 | 0.25" | 2 35/64"-18 | 7/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
2"-5 | 2 3/4" | 2.75" | 1 | 1:1 | 0.2" | 2 35/64"-18 | 7/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
2 1/2"-4 | 3 3/8" | 3.375" | 1 | 1:1 | 0.25" | 3 9/64"-12 | 1 9/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
Combine externally threaded nuts with a flange to create a custom flange nut.
External Thread | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Each | |
673 Bronze | ||||||||||||
1/4"-16 | 5/8" | 0.688" | 1 | 1:1 | 0.063" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
3/8"-12 | 5/8" | 0.688" | 1 | 1:1 | 0.083" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1/2"-10 | 3/4" | 1.125" | 1 | 1:1 | 0.1" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
5/8"-5 | 1" | 1.125" | 1 | 1:1 | 0.2" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
5/8"-8 | 1" | 1.125" | 1 | 1:1 | 0.125" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
5/8"-10 | 1" | 1.125" | 1 | 1:1 | 0.1" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-5 | 1 1/4" | 1.125" | 1 | 1:1 | 0.2" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-6 | 1 1/4" | 1.125" | 1 | 1:1 | 0.167" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-10 | 1 1/4" | 1.125" | 1 | 1:1 | 0.1" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-4 | 1 1/2" | 1.5" | 1 | 1:1 | 0.25" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-5 | 1 1/2" | 1.5" | 1 | 1:1 | 0.2" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-6 | 1 1/2" | 1.5" | 1 | 1:1 | 0.167" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-10 | 1 1/2" | 1.5" | 1 | 1:1 | 0.1" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/4"-4 | 1 3/4" | 2.125" | 1 | 1:1 | 0.25" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/4"-5 | 1 3/4" | 2.125" | 1 | 1:1 | 0.2" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/2"-4 | 2 19/64" | 2.125" | 1 | 1:1 | 0.25" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
1 1/2"-5 | 2 19/64" | 2.125" | 1 | 1:1 | 0.2" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
2"-4 | 2 3/4" | 2.75" | 1 | 1:1 | 0.25" | 2 35/64"-18 | 7/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
Thread onto an externally threaded acme nut to create a custom flange nut.
Flange Thread Size | Flange Dia. | Flange Thick. | Bolt Circle Dia. | Flange Hardness | Each | |
1117 Carbon Steel | ||||||
---|---|---|---|---|---|---|
1 3/8"-16 | 2 49/64" | 33/64" | 2 17/64" | Brinell 156 | 000000000 | 000000 |
1 31/32"-18 | 4 13/64" | 53/64" | 3 7/16" | Brinell 156 | 000000000 | 00000 |
2 35/64"-18 | 4 15/16" | 29/32" | 4 1/16" | Brinell 156 | 000000000 | 00000 |
3 9/64"-12 | 5 3/8" | 1 37/64" | 4 3/8" | Brinell 156 | 000000000 | 00000 |
1215 Carbon Steel | ||||||
9/16"-18 | 1 39/64" | 13/32" | 1 1/8" | Not Rated | 000000000 | 00000 |
15/16"-16 | 2 5/8" | 17/32" | 2 3/32" | Not Rated | 000000000 | 00000 |
1"-18 | 2 5/8" | 17/32" | 2 3/32" | Not Rated | 000000000 | 00000 |
303 Stainless Steel | ||||||
9/16"-18 | 1 39/64" | 13/32" | 1 1/8" | Brinell 140 | 0000000 | 00000 |
15/16"-16 | 2 5/8" | 17/32" | 2 3/32" | Brinell 140 | 0000000 | 00000 |
1"-18 | 2 5/8" | 17/32" | 2 3/32" | Brinell 140 | 0000000 | 00000 |
1 3/8"-16 | 2 49/64" | 33/64" | 2 17/64" | Brinell 140 | 0000000 | 00000 |
1 31/32"-18 | 4 13/64" | 53/64" | 3 7/16" | Brinell 140 | 0000000 | 00000 |
2 35/64"-18 | 4 15/16" | 29/32" | 4 1/16" | Brinell 140 | 0000000 | 00000 |
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.
932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance.
Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
For technical drawings and 3-D models, click on a part number.
Combine externally threaded nuts with a flange to create a custom flange nut.
External Thread | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Each | |
673 Bronze | ||||||||||||
1/4"-12 | 5/8" | 0.688" | 4 | 4:1 | 0.333" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
3/8"-8 | 5/8" | 0.688" | 2 | 2:1 | 0.25" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/8"-8 | 5/8" | 0.688" | 4 | 4:1 | 0.5" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/8"-10 | 5/8" | 0.688" | 2 | 2:1 | 0.2" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/8"-12 | 5/8" | 0.688" | 2 | 2:1 | 0.167" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1/2"-8 | 3/4" | 1.125" | 2 | 2:1 | 0.25" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1/2"-8 | 3/4" | 1.125" | 8 | 8:1 | 1" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1/2"-10 | 3/4" | 1.125" | 2 | 2:1 | 0.2" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1/2"-10 | 3/4" | 1.125" | 5 | 5:1 | 0.5" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-6 | 1 1/4" | 1.125" | 2 | 2:1 | 0.333" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
3/4"-8 | 1 1/4" | 1.125" | 4 | 4:1 | 0.5" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-10 | 1 1/2" | 1.5" | 10 | 10:1 | 1" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/2"-4 | 2 19/64" | 2.125" | 2 | 2:1 | 0.5" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
Combine externally threaded nuts with a flange to create a custom flange nut.
External Thread | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Lg. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Each | |
673 Bronze | ||||||||||||
3/8"-12 | 5/8" | 0.688" | 2 | 2:1 | 0.167" | 9/16"-18 | 3/8" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
3/4"-6 | 1 1/4" | 1.125" | 2 | 2:1 | 0.333" | 1"-18 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1"-10 | 1 1/2" | 1.5" | 10 | 10:1 | 1" | 1 3/8"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 00000 |
1 1/2"-4 | 2 19/64" | 2.125" | 2 | 2:1 | 0.5" | 1 31/32"-18 | 13/16" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
Thread onto an externally threaded acme nut to create a custom flange nut.
Flange Thread Size | Flange Dia. | Flange Thick. | Bolt Circle Dia. | Flange Hardness | Each | |
1117 Carbon Steel | ||||||
---|---|---|---|---|---|---|
1 3/8"-16 | 2 49/64" | 33/64" | 2 17/64" | Brinell 156 | 000000000 | 000000 |
1 31/32"-18 | 4 13/64" | 53/64" | 3 7/16" | Brinell 156 | 000000000 | 00000 |
1215 Carbon Steel | ||||||
9/16"-18 | 1 39/64" | 13/32" | 1 1/8" | Not Rated | 000000000 | 00000 |
15/16"-16 | 2 5/8" | 17/32" | 2 3/32" | Not Rated | 000000000 | 00000 |
1"-18 | 2 5/8" | 17/32" | 2 3/32" | Not Rated | 000000000 | 00000 |
303 Stainless Steel | ||||||
9/16"-18 | 1 39/64" | 13/32" | 1 1/8" | Brinell 140 | 0000000 | 00000 |
15/16"-16 | 2 5/8" | 17/32" | 2 3/32" | Brinell 140 | 0000000 | 00000 |
1"-18 | 2 5/8" | 17/32" | 2 3/32" | Brinell 140 | 0000000 | 00000 |
1 3/8"-16 | 2 49/64" | 33/64" | 2 17/64" | Brinell 140 | 0000000 | 00000 |
1 31/32"-18 | 4 13/64" | 53/64" | 3 7/16" | Brinell 140 | 0000000 | 00000 |