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Threading Threading |
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 | Partially Threaded |
Thread Direction Thread Direction |
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 | Right Hand and Left Hand |
Thread Type Thread Type |
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Tensile Strength Tensile Strength |
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Hardness Hardness |
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Nut Type Nut Type |
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 | Square |
Maximum Temperature Maximum Temperature |
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Number of Thread Starts Number of Thread Starts |
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Dynamic Thrust Load Capacity Dynamic ThrustLoad Capacity |
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Selecting Compatible Lead Screws and Nuts
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Self-Reversing Lead Screws and Nuts
A crisscross thread pattern allows you to drive the nut back and forth without changing the lead screw's direction of rotation. When the nut reaches one end of the lead screw, it changes direction and travels back to the other end. Also known as diamond lead screws, they're sometimes used to guide cable and wire as it's spooled on a reel.
Travel distance per turn, also known as screw lead, is the distance the nut moves with one revolution of the lead screw.
For technical drawings and 3-D models, click on a part number.
Lead Screw | Square Nut | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Screw Dia. | Lg. | Travel Lg. | Hardness | Overall Ht. | Center Ht. | Hardness | No. of Thread Starts | Travel Distance per Turn | Accuracy for Travel Distance per Turn | Tensile Strength, psi | Dynamic Thrust Load Cap., lbs. | Temperature Range, °F | Each | |
1144 Carbon Steel Lead Screw with Aluminum Square Nut | ||||||||||||||
| 3/4" | 16 7/8" | 5 13/16" | Rockwell C27 | 1 7/8" | 11/16" | Brinell 60 | 1 | 0.75" | ±0.007" per in. | 130,000 | 100 | -50° to 350° | 000000000 | 000000000 |
| 3/4" | 19 7/8" | 8 13/16" | Rockwell C27 | 1 7/8" | 11/16" | Brinell 60 | 1 | 0.75" | ±0.007" per in. | 130,000 | 100 | -50° to 350° | 000000000 | 00000000 |
| 1" | 23 1/2" | 11 3/4" | Rockwell C27 | 2 3/8" | 7/8" | Brinell 60 | 1 | 1" | ±0.005" per in. | 130,000 | 150 | -50° to 350° | 000000000 | 00000000 |
| 1" | 29 1/2" | 17 3/4" | Rockwell C27 | 2 3/8" | 7/8" | Brinell 60 | 1 | 1" | ±0.005" per in. | 130,000 | 150 | -50° to 350° | 000000000 | 00000000 |