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Precision Acme Lead Screws and Nuts
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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.
Externally Threaded Nuts—Right-Hand Thread
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External Thread | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | Temp., ° F | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
360 Brass | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-20 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.05" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 141 | 50,000 | 310 | — | 95072A171 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
673 Bronze | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-16 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.063" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A881 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-8 | 5/8" | 0.688" | Stub Acme | 1:1 | 1 | 0.125" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A124 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-10 | 5/8" | 0.688" | Stub Acme | 1:1 | 1 | 0.1" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A127 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-12 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.083" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A108 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-16 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.063" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A129 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PET | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-16 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.063" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 160 | 15 to 175 | 95075A210 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-20 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.05" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 160 | 15 to 175 | 95075A340 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-8 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.125" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 95075A224 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-10 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.1" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 95075A227 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-12 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.083" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 95075A104 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-16 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.063" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 95075A229 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PEEK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-20 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.05" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | 16,000 | 150 | -40 to 525 | 90493A150 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Externally Threaded Nuts—Left-Hand Thread
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Combine externally threaded nuts with a flange to create a custom flange nut.
673 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.
External Thread | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap. | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
673 Bronze | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-16 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.063" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | 95072A882 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-12 | 5/8" | 0.688" | Acme | 1:1 | 1 | 0.083" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | 95072A208 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Metric Precision Lead Screws and Nuts
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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.
Externally Threaded Nuts—Right-Hand Thread
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Manganese Bronze—Manganese bronze nuts have good strength and wear 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.
External Thread | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn, mm | Size | Lg. | Thread Fit | Hardness | Tensile Strength, psi | Dynamic Thrust Load Cap., lb. | Specs. Met | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Manganese Bronze | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M10 × 2 mm | 5/8" | 0.68" | Metric Trapezoidal | 1:1 | 1 | 2 | 9/16"-18 | 3/8" | Metric Trapezoidal Class 7H | Brinell 126 | 75,000 | 670 | DIN 103 | 7549K88 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Fast-Travel Precision Acme Lead Screws and Nuts
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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.
Externally Threaded Nuts—Right-Hand Thread
 |
Combine externally threaded nuts with a flange to create a custom flange nut.
360 Brass—360 brass nuts have excellent machinability and good corrosion resistance.
673 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.
External Thread | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap., lb. | Temp., ° F | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
360 Brass | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-16 | 5/8" | 0.688" | Acme | 4:1 | 4 | 0.25" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 130 | Not Rated | 300 | — | 95072A430 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
673 Bronze | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-12 | 5/8" | 0.688" | Stub Acme | 4:1 | 4 | 0.333" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A107 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-8 | 5/8" | 0.688" | Stub Acme | 2:1 | 2 | 0.25" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A126 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-8 | 5/8" | 0.688" | Stub Acme | 4:1 | 4 | 0.5" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A125 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-10 | 5/8" | 0.688" | Stub Acme | 2:1 | 2 | 0.2" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A128 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-12 | 5/8" | 0.688" | Acme | 2:1 | 2 | 0.167" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | — | 95072A771 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
PET | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 1/4"-12 | 5/8" | 0.688" | Acme | 4:1 | 4 | 0.333" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 160 | 15 to 175 | 95075A207 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-5 | 5/8" | 0.688" | Acme | 5:1 | 5 | 1" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 250 | 15 to 175 | 95075A101 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-8 | 5/8" | 0.688" | Acme | 2:1 | 2 | 0.25" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 95075A226 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-8 | 5/8" | 0.688" | Acme | 4:1 | 4 | 0.5" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 95075A225 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-10 | 5/8" | 0.688" | Acme | 2:1 | 2 | 0.2" | 9/16"-18 | 3/8" | Acme Class 2C | Not Rated | Not Rated | 350 | 15 to 175 | 95075A228 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Externally Threaded Nuts—Left-Hand Thread
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Combine externally threaded nuts with a flange to create a custom flange nut.
673 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.
External Thread | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Thread Size | Lg. | Dia. | Thread Type | Speed Ratio | No. of Thread Starts | Travel Distance per Turn | Size | Lg. | Thread Fit | Hardness | Tensile Strength | Dynamic Thrust Load Cap. | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
673 Bronze | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3/8"-12 | 5/8" | 0.688" | Acme | 2:1 | 2 | 0.167" | 9/16"-18 | 3/8" | Acme Class 2C | Brinell 70 | Not Rated | Not Rated | 95072A772 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Key-Locking Threaded Insert Assortments with Installation Tools
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What you need to add or repair a range of thread sizes in soft metal, such as aluminum. These assortments include multiple key-locking inserts of each size and an installation tool. They're comparable to Keensert inserts.
Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.
Black Phosphate-Coated Steel—These inserts resist occasional moisture.
18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
No. of Inserts Included | Includes | Thread Spacing | For Tap Thread Size | Drill Bit Size | For Max. Hole Dia. | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Standard Wall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Black Phosphate-Coated Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 77 | 1"-12 Thread × 1 3/8" Installed Lg. (2 Each) 1/2"-20 Thread × 5/8" Installed Lg. (6 Each) 1/4"-28 Thread × 3/8" Installed Lg. (20 Each) 3/4"-16 Thread × 1 1/8" Installed Lg. (3 Each) 3/8"-24 Thread × 1/2" Installed Lg. (10 Each) 5/16"-24 Thread × 0.438" Installed Lg. (15 Each) 5/8"-18 Thread × 7/8" Installed Lg. (3 Each) 7/16"-20 Thread × 5/8" Installed Lg. (10 Each) 7/8"-14 Thread × 1 1/4" Installed Lg. (3 Each) 9/16"-18 Thread × 0.813" Installed Lg. (5 Each) Installation Tool | Fine | 7/16"-14 1/2"-13 9/16"-12 5/8"-11 3/4"-16 7/8"-14 1 1/8"-12 1 1/4"-12 1 3/8"-12 | 29/64" 33/64" 37/64" 45/64" 53/64" 1 1/16" 1 3/16" 1 5/16" X | 0.397" 0.453" 0.516" 0.578" 0.703" 0.828" 1.063" 1.186" 1.313" | 90284A215 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 77 | 1"-12 Thread × 1 3/8" Installed Lg. (2 Each) 1/2"-20 Thread × 5/8" Installed Lg. (6 Each) 1/4"-28 Thread × 3/8" Installed Lg. (20 Each) 3/4"-16 Thread × 1 1/8" Installed Lg. (3 Each) 3/8"-24 Thread × 1/2" Installed Lg. (10 Each) 5/16"-24 Thread × 0.438" Installed Lg. (15 Each) 5/8"-18 Thread × 7/8" Installed Lg. (3 Each) 7/16"-20 Thread × 5/8" Installed Lg. (10 Each) 7/8"-14 Thread × 1 1/4" Installed Lg. (3 Each) 9/16"-18 Thread × 0.813" Installed Lg. (5 Each) Installation Tool | Fine | 7/16"-14 1/2"-13 9/16"-12 5/8"-11 3/4"-16 7/8"-14 1 1/8"-12 1 1/4"-12 1 3/8"-12 | 29/64" 33/64" 37/64" 45/64" 53/64" 1 1/16" 1 3/16" 1 5/16" X | 0.397" 0.453" 0.516" 0.578" 0.703" 0.828" 1.063" 1.186" 1.313" | 90284A415 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Thread-Locking Threaded Inserts
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Inserts | Installation Tools | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Thread Size | For Tap Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Drive Style | Pkg. Qty. | Pkg. | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Standard Wall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Black Phosphate-Coated Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 3/4"-10 | 0.656" | 21/32" | 0.656" | Slotted | 5 | 90248A090 | 000000 | 94110A180 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| M10 x 1 mm | 9/16"-18 | 0.453" | 33/64" | 0.516" | — | 1 | 97084A311 | 0000 | ——— | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Thin Wall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 7/16"-14 | 9/16"-18 | 0.563" | 33/64" | 0.516" | Slotted | 1 | 94165A259 | 0000 | 94110A160 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 7/16"-20 | 9/16"-18 | 0.563" | 33/64" | 0.516" | Slotted | 1 | 94165A263 | 0000 | 94110A160 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Mil.-Spec. Key-Locking Threaded Inserts For Soft Metal
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Thread Size | For Tap Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | Specs. Met | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Standard Wall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
High-Strength Cadmium-Plated Alloy Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 13/16"-16 | 0.813" | 49/64" | 0.766" | 4 | NAS1395-9, MS51831A207 | 95101A133 | 000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 13/16"-16 | 0.813" | 49/64" | 0.771" | 4 | NAS1395C9, MS51831-207 | 93904A236 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Extra-Thick Wall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 7/8"-14 | 0.813" | 53/64" | 0.833" | 4 | MS51832-207 | 93904A237 | 00000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Key-Locking Threaded Inserts with Installation Tools
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Paired with the right tool for installation, these inserts create strong threads in soft metal, such as aluminum. They have keys that drive into material to prevent inserts from slipping and rotating in the hole.
Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.
Black Phosphate-Coated Steel—These inserts resist occasional moisture.
18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
Key-Locking Threaded Inserts for Soft Metal
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Add strong threads in soft metal, such as aluminum. The keys on these inserts drive into holes to hold more securely than thread-locking or helical inserts. They prevent slipping and rotating, so they’re stable enough for use in vehicle or aerospace parts that experience heavy vibration. These inserts are comparable to Keensert inserts.
To install, drill and tap a hole in your material. Then, thread the insert onto the installation tool and screw it into the hole. Place the tool over the keys and hit it with a hammer to drive them in.
Standard Wall—Stronger than thin-wall inserts, these are your go-to choice for threading most holes.
Black Phosphate-Coated Steel—These inserts resist occasional moisture.
18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
Inserts | Installation Tools | Inserts with Installation Tools | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Thread Size | For Tap Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Locking Keys | 1-9 | 10-Up | Each | No. of Inserts Included | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Standard Wall | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Black Phosphate-Coated Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 3/4"-16 | 0.813" | 45/64" | 0.703" | 4 | 90245A077 | 00000 | 00000 | 92100A725 | 000000 | 3 | 90245A057 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 3/4"-16 | 0.813" | 45/64" | 0.703" | 4 | 91731A067 | 00000 | 00000 | 92100A725 | 00000 | 3 | 91731A033 | 00000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Screw-Locking Helical Threaded Inserts
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Pronged |
The irregularly shaped threads tightly grip screws to prevent them from loosening or backing out under vibration. Use these inserts to create or repair threads in pumps and other machinery that shakes and rattles. Also known as Heli-Coil inserts.
Installation requires a drill bit, a helical insert tap, and an installation tool.
Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.
18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Specs. Met | Pkg. Qty. | Pkg. | Each | Each | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pronged | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 0.562" | 37/64" | 0.578" | NASM21209, MS21209F9-10 | 1 | 90296A231 | 00000 | 91709A157 | 000000 | 91709A470 | 0000000 | 90261A112 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 0.844" | 37/64" | 0.578" | NASM21209, MS21209F9-15 | 1 | 90296A232 | 0000 | 91709A157 | 00000 | 91709A470 | 000000 | 90261A112 | 000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Helical Threaded Inserts
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Pronged |
Restore, reinforce, or create threads in metal. The tough coils on these inserts expand once installed to anchor in a tapped hole. Also known as Heli-Coil inserts, they're often used in engine heads and machinery housings where strong connections are critical. Unlike threadlocking inserts, you can remove and reuse them without them losing their strength.
Installation requires a drill bit, a helical insert tap, and an installation tool.
Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.
18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
Inserts | Through-Hole Taps | Closed-End Hole Taps | Installation Tools | Inserts with Installation Tools | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | Specs. Met | Pkg. Qty. | Pkg. | Each | Each | Each | No. of Inserts Included | Each | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pronged | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 0.562" | 37/64" | 0.578" | MS124661 | 5 | 91732A537 | 00000 | 91709A157 | 000000 | 91709A470 | 0000000 | 90261A112 | 0000000 | — | ——— | 0 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 0.844" | 37/64" | 0.578" | MS124701 | 5 | 91732A237 | 0000 | 91709A157 | 00000 | 91709A470 | 000000 | 90261A112 | 000000 | 6 | 91732A337 | 0000000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Helical Threaded Inserts with Installation Tools
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Drill Bit, Installation Tool and Through-Hole Tap |
Quickly restore stripped threads—these inserts come with through-hole taps and installation tools. The tough coils on these inserts expand once installed to anchor in a tapped hole.
Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.
18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
Thread Size | Installed Lg. | Drill Bit Size | For Max. Hole Dia. | No. of Inserts Included | Includes | Each | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pronged | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
18-8 Stainless Steel | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 9/16"-18 | 0.844" | 37/64" | 0.578" | 6 | Drill Bit Installation Tool Through-Hole Tap | 91732A337 | 0000000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Seize-Resistant Swage-Locking Threaded Inserts
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Smoothly install these inserts for strong threads near the edges and corners of soft metal surfaces. They’re lubricated to prevent sticking as you thread them in. Since these have thinner walls than our key-locking and thread-locking inserts, they don’t need as much space and won't bulge or crack the material. The knurls press (swage) into the material to keep inserts in place when you tighten or loosen a screw.
To install these inserts, you need a drill bit, a counterbore, a standard tap, an installation tool, and a hammer. Drill a hole, counterbore the top, and tap it. Place the insert into the installation tool, then hand-tighten it into the tapped hole. Strike the tool to secure the insert and drive the knurls into the surrounding material.
High-Strength Dry-Film-Lubricated Cadmium-Plated Alloy Steel—Stronger than our 17-4 PH stainless steel inserts, these inserts absorb impact without cracking and stand up to high-pressure applications. The cadmium plating prevents corrosion in wet environments.
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Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
Swage-Locking Threaded Inserts
 | |
Add strong threads to the edges of soft metal without bulging or cracking the material. These inserts have thinner walls than our key-locking and thread-locking inserts, so they don’t need as much space around them. The knurls press (swage) into the material to keep inserts in place when you tighten or loosen a screw.
To install these inserts, you need a drill bit, a counterbore, a standard tap, an installation tool, and a hammer. Drill a hole, counterbore the top, and tap it. Place the insert into the installation tool, then hand-tighten it into the tapped hole. Strike the tool to secure the insert and drive the knurls into the surrounding material.
High-Strength 17-4 PH Stainless Steel—The strongest stainless steel inserts we offer. They handle high-stress installations, such as pump and compressor housings, and the heavy vibration of aircraft parts. They won’t rust in wet and outdoor environments but can’t withstand the harsh chemicals and acids that 316 stainless steel can.
