System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Nut Type Nut Type |
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 | Externally Threaded |
 | Flange |
 | Round |
Thread Direction Thread Direction |
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| Right Hand | Left Hand |
Material Material |
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Travel Distance per Turn Travel Distance per Turn |
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Flange Material Flange Material |
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Dynamic Thrust Load Capacity Dynamic Thrust Load Capacity |
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Number of Thread Starts Number of Thread Starts |
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Hardness Hardness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Width Width |
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Height Height |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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External Thread Size External Thread Size |
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Thread Fit Thread Fit |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Selecting Compatible Lead Screws and Nuts
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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 and size.
Cast iron nuts have good machinability and high strength. 932 bearing bronze and 673 bronze nuts are wear resistant. They have good machinability and fair corrosion resistance. PET plastic nuts are lightweight and corrosion resistant.
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. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Temperature Range, °F | Each | |
Cast Iron | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5/8"-5 | 1 1/4" | 1.859" | 1 | 1:1 | 0.2" | Class 2C | Brinell 217 | Not Rated | __ | 000000000 | 000000 |
932 Bearing Bronze | |||||||||||
| 5/8"-5 | 1 1/4" | 1.859" | 1 | 1:1 | 0.2" | Class 2C | Brinell 65 | 2,000 | __ | 0000000 | 00000 |
PET Plastic | |||||||||||
| 5/8"-5 | 1 1/4" | 1.859" | 1 | 1:1 | 0.2" | Class 2C | Not Rated | 1,000 | 15° to 175° | 0000000 | 00000 |
| Thread Size | Lg. | Dia. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Dynamic Thrust Load Cap., lbs. | Each | |
Cast Iron | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5/8"-5 | 1 1/4" | 1.859" | 1 | 1:1 | 0.2" | Class 2C | Brinell 217 | 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 | ||||||||||||
| 5/8"-5 | 1" | 1.125" | 1 | 1:1 | 0.2" | 15/16"-16 | 1/2" | 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 | ||||||||||||
| 5/8"-5 | 1" | 1.125" | 1 | 1:1 | 0.2" | 15/16"-16 | 1/2" | Class 2C | Brinell 70 | Not Rated | 000000000 | 000000 |
Ball Screws and Nuts
Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, they have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread direction and size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
For technical drawings and 3-D models, click on a part number.
Secure a way wiper on the end of a ball nut to sweep chips and other contaminants out of the way as it moves across the ball screw.
| Thread Size | Lg. | Wd. | Ht. | No. of Thread Starts | Travel Distance per Turn | External Thread Size | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temperature Range, °F | Each | ||
Black-Oxide Alloy Steel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 5/8"-5 | 1 23/32" | 1" | 1" | 1 | 0.2" | 15/16"-16 | Rockwell C56 | 770 | 0.015" | -40° to 300° | 00000000 | 000000 |
Secure a way wiper on the end of a ball nut to sweep chips and other contaminants out of the way as it moves across the ball screw.
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Ht. | Dia. | Thick. | No. of Thread Starts | Travel Distance per Turn | Bolt Circle Dia. | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temperature Range, °F | Each | ||
Black-Oxide Alloy Steel | |||||||||||||||
| D | 5/8"-5 | 1 23/32" | 1" | 1" | 2 39/64" | 17/32" | 1 | 0.2" | 2 3/32" | Rockwell C56 | 770 | 0.015" | -40° to 300° | 00000000 | 0000000 |
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Ht. | Dia. | Thick. | No. of Thread Starts | Travel Distance per Turn | Bolt Circle Dia. | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temperature Range, °F | Each | ||
Black-Oxide Alloy Steel | |||||||||||||||
| D | 5/8"-5 | 1 45/64" | 1" | 1" | 2 19/32" | 17/32" | 1 | 0.2" | 2 3/32" | Rockwell C56 | 770 | 0.015" | -40° to 300° | 00000000 | 0000000 |
Corrosion-Resistant Ball Screws and Nuts
Suitable for use in harsh environments, these ball screws and nuts are made of stainless steel. Internal ball bearings provide smooth low-friction travel in applications that require high speeds, accurate positioning, and repeatable movement. Also known as single-start ball screws and nuts, they have a single thread that runs the length of the screw. They operate with more torque than fast-travel ball screws and nuts. To ensure compatibility, select components that have the same thread size. Ball nuts are furnished with a tube to keep ball bearings in place. Do not remove the tube until you are ready to install the nuts onto the screws.
Travel distance per turn, also known as screw lead, is the distance a ball nut moves with one revolution of the ball screw.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Lg. | Wd. | Ht. | No. of Thread Starts | Travel Distance per Turn | External Thread Size | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temperature Range, °F | Each | ||
17-4 PH Stainless Steel | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 5/8"-5 | 1 23/32" | 1" | 1" | 1 | 0.2" | 15/16"-16 | Rockwell C38 | 170 | 0.007" | -65° to 300° | 0000000 | 0000000 |
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Lg. | Wd. | Ht. | Dia. | Thick. | No. of Thread Starts | Travel Distance per Turn | Bolt Circle Dia. | Hardness | Dynamic Thrust Load Cap., lbs. | Max. Backlash | Temperature Range, °F | Each | ||
17-4 PH Stainless Steel | |||||||||||||||
| D | 5/8"-5 | 1 47/64" | 1" | 1" | 2 19/32" | 17/32" | 1 | 0.2" | 2 3/32" | Rockwell C38 | 170 | 0.007" | -65° to 300° | 0000000 | 0000000 |