Selecting Compatible Lead Screws and Nuts
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Metric 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 Metric Precision Acme Lead Screws and Nuts, these lead screws and nuts provide increased nut life and more reliable movement in automated systems. To ensure compatibility, select components that have the same thread size, thread pitch, and number of thread starts.
Flange nuts with a wear-compensating internal O-ring resist backlash to keep the nuts in place and maintain a tight fit even when their threads begin to wear. They’re often used in 3D printing and robotic applications.
Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size  | Thread Pitch, mm | Lg. | Dia. | Wd. | Ht. | Thick. | No. of Thread Starts | Thread Type | Speed Ratio | Travel Distance per Turn, mm | Bolt Circle Dia. | Dynamic Thrust Load Cap., lbs. | Each | ||
PEEK Plastic with Wear-Compensating Internal O-Ring | |||||||||||||||
| D | M4 | 1 | 31/64" | 0.406" | 3/4" | 13/32" | 1/8" | 4 | Metric Rounded Trapezoidal | 4:1 | 4 | 19/32" | 4 | 00000000 | 000000 |
| D | M4 | 1 | 31/64" | 0.406" | 3/4" | 13/32" | 1/8" | 8 | Metric Rounded Trapezoidal | 8:1 | 8 | 19/32" | 4 | 00000000 | 00000 |
Metric Ultra-Precision Lead Screws and Nuts
Operating with less backlash (play) than Metric 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. To ensure compatibility, select components that have the same thread size, thread type, thread size, thread pitch, and number of thread starts.
Flange nuts with wear-compensating internal O-ring maintain a tight fit even when their threads begin to wear. They resist backlash to maintain accuracy over time, which is important in positioning applications such as 3D printing and robotics.
Travel distance per turn, also known as screw lead, is the distance a nut moves with one revolution of the lead screw.
Flange | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Pitch, mm | Lg. | Dia. | Wd. | Ht. | Thick. | No. of Thread Starts | Thread Type | Speed Ratio | Travel Distance per Turn, mm | Bolt Circle Dia. | Dynamic Thrust Load Cap., lbs. | Each | ||
PEEK Plastic with Wear-Compensating Internal O-Ring | |||||||||||||||
| C | M4 | 1 | 31/64" | 0.406" | 3/4" | 13/32" | 1/8" | 1 | Metric Rounded Trapezoidal | 1:1 | 1 | 19/32" | 5 | 000000000 | 0000000 |
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, 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.
Flange nuts with wear-compensating internal O-ring or wear-compensating spring maintain a tight fit even when their threads begin to wear. They resist backlash to maintain accuracy over time, which is important in positioning applications such as 3D printing and robotics.
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 | 9/64"-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 |
| A | 9/64"-41.7 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 1 | Rounded Acme | 1:1 | 0.024" | 39/64" | Not Rated | 25 | 0000000 | 00000 |
| 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 | 00000 |
Acetal Plastic with Wear-Compensating Internal O-Ring | |||||||||||||||
| A | 9/64"-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 |
| A | 9/64"-41.7 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 1 | Rounded Acme | 1:1 | 0.024" | 39/64" | Not Rated | 5 | 0000000 | 00000 |
| 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.
Flange nuts with wear-compensating internal O-ring or wear-compensating spring maintain a tight fit even when their threads begin to wear. They resist backlash to maintain accuracy over time, which is important in applications such as 3D printing and robotics.
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 | 9/64"-20.8 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 2 | Rounded Acme | 2:1 | 0.096" | 39/64" | Not Rated | 25 | 0000000 | 000000 |
| A | 5/32"-21.3 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 2 | Rounded Acme | 2:1 | 0.094" | 39/64" | Not Rated | 25 | 0000000 | 00000 |
| A | 3/16"-42.7 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 16 | Rounded Acme | 16:1 | 0.375" | 39/64" | Not Rated | 25 | 0000000 | 00000 |
| 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 | 00000 |
Acetal Plastic with Wear-Compensating Internal O-Ring | |||||||||||||||
| A | 9/64"-20.8 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 2 | Rounded Acme | 2:1 | 0.096" | 39/64" | Not Rated | 5 | 0000000 | 00000 |
| A | 5/32"-21.3 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 2 | Rounded Acme | 2:1 | 0.094" | 39/64" | Not Rated | 5 | 0000000 | 00000 |
| A | 3/16"-42.7 | 1/2" | 0.406" | 3/4" | 13/32" | 1/8" | 16 | Rounded Acme | 16:1 | 0.375" | 39/64" | Not Rated | 5 | 0000000 | 00000 |
| 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 |