System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Material Material |
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Threading Threading |
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 | Fully Threaded |
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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Tensile Strength Tensile Strength |
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Thread Direction Thread Direction |
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Thread Type Thread Type |
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Nut Type Nut Type |
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 | Flange |
Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity |
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Flange Hardness Flange Hardness |
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Flange Height Flange Height |
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Flange Thickness Flange Thickness |
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Flange Width Flange Width |
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Maximum Temperature Maximum Temperature |
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Selecting Compatible Lead Screws and Nuts
More
Ultra-Precision Lead Screws and Nuts
Operating with less backlash (play) than Precision Acme Lead Screws and Nuts, these provide increased nut life and more reliable movement in automated systems. 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. All components are corrosion resistant for use in harsh environments. To ensure compatibility, select components that have the same thread type and thread size.
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.
| Thread Size | Lg. | No. of Thread Starts | Thread Type | Speed Ratio | Travel Distance per Turn | Accuracy for Travel Distance per Turn | Hardness | Tensile Strength, psi | Each | |
303 Stainless Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 7/32"-20.8 | 9" | 1 | Rounded Acme | 1:1 | 0.048" | ±0.0006" per in. | Brinell 160 | 90,000 | 00000000 | 000000 |
| 7/32"-20.8 | 18" | 1 | Rounded Acme | 1:1 | 0.048" | ±0.0006" per in. | Brinell 160 | 90,000 | 0000000 | 00000 |
Flange nuts with wear-compensating internal O-ring or wear-compensating spring maintain a tight fit even when their threads begin to wear.
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Dia. | Wd. | Ht. | Thick. | No. of Thread Starts | Thread Type | Speed Ratio | Travel Distance per Turn | Mounting Hole Ctr.-to-Ctr. | Tensile Strength, psi | Dynamic Thrust Load Cap., lbs. | Each | ||
Acetal Plastic | |||||||||||||||
| A | 7/32"-20.8 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 1 | Rounded Acme | 1:1 | 0.048" | 39/64" | Not Rated | 25 | 0000000 | 000000 |
Acetal Plastic with Wear-Compensating Internal O-Ring | |||||||||||||||
| A | 7/32"-20.8 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 1 | Rounded Acme | 1:1 | 0.048" | 39/64" | Not Rated | 5 | 0000000 | 00000 |
Fast-Travel Ultra-Precision Lead Screws and Nuts
Multiple thread channels (also known as thread starts) create faster linear travel than lead screws with a single thread start. Operating with less backlash (play) than Precision Acme Lead Screws and Nuts, these lead screws and nuts provide increased nut life and more reliable movement in automated systems. All components are corrosion resistant for use in harsh environments. To ensure compatibility, select components that have the same thread type, thread size, and number of thread starts.
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.
| Thread Size | Lg. | No. of Thread Starts | Thread Type | Speed Ratio | Travel Distance per Turn | Accuracy for Travel Distance per Turn | Hardness | Tensile Strength, psi | Each | |
303 Stainless Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 7/32"-20.8 | 9" | 4 | Rounded Acme | 4:1 | 0.192" | ±0.0006" per in. | Brinell 160 | 90,000 | 00000000 | 000000 |
| 7/32"-20.8 | 18" | 4 | Rounded Acme | 4:1 | 0.192" | ±0.0006" per in. | Brinell 160 | 90,000 | 0000000 | 00000 |
Flange nuts with wear-compensating internal O-ring or wear-compensating spring maintain a tight fit even when their threads begin to wear.
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Dia. | Wd. | Ht. | Thick. | No. of Thread Starts | Thread Type | Speed Ratio | Travel Distance per Turn | Mounting Hole Ctr.-to-Ctr. | Tensile Strength, psi | Dynamic Thrust Load Cap., lbs. | Each | ||
Acetal Plastic | |||||||||||||||
| A | 7/32"-20.8 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 4 | Rounded Acme | 4:1 | 0.192" | 39/64" | Not Rated | 25 | 0000000 | 000000 |
Acetal Plastic with Wear-Compensating Internal O-Ring | |||||||||||||||
| A | 7/32"-20.8 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 4 | Rounded Acme | 4:1 | 0.192" | 39/64" | Not Rated | 5 | 0000000 | 00000 |