About Tool Steel
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Selecting Compatible Lead Screws and Nuts
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Hardened Undersized High-Speed M2 Tool Steel Rods
- Yield Strength: Not Rated
- Hardness: Rockwell C60 (Very Hard)
These rods, also known as drill blanks, have an undersized diameter for machining your own jobbers'-length drill bits. They're hardened for increased abrasion and impact resistance. M2 tool steel offers a nice balance of wear resistance and machinability. It has a high molybdenum content, which allows it to maintain sharp cutting edges even at elevated temperatures.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
| Dia. | Dia. Tolerance | Drill Bit Size | Lg. | Mechanical Finish | Straightness Tolerance | Each | |
| 0.228" | -0.0002" to 0" | 1 | 3 7/8" | Precision Ground | 0.012" per ft. | 00000000 | 00000 |
Hardened Oversized High-Speed M2 Tool Steel Rods
- Yield Strength: Not Rated
- Hardness: Rockwell C60 (Very Hard)
Also known as reamer blanks, these rods have an oversized diameter that allows for finishing to your exact requirements. They're hardened for increased abrasion and impact resistance. M2 tool steel offers a nice balance of wear resistance and machinability. It has a high molybdenum content, which allows it to maintain sharp cutting edges even at elevated temperatures.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
| Dia. | Dia. Tolerance | Reamer Size | Lg. | Lg. Tolerance | Mechanical Finish | Straightness Tolerance | Each | |
| 0.228" | 0" to 0.0002" | 1 | 3 7/8" | -1/32" to 1/32" | Precision Ground | 0.012" per ft. | 00000000 | 00000 |
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.
For technical drawings and 3-D models, click on a part number.
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 | M2 | 0.4 | 5/16" | 0.228" | 15/32" | 15/64" | 5/64" | 2 | Metric Rounded Trapezoidal | 2:1 | 0.75 | 11/32" | 1 | 00000000 | 000000 |
| D | M2 | 0.4 | 5/16" | 0.228" | 15/32" | 15/64" | 5/64" | 4 | Metric Rounded Trapezoidal | 4:1 | 1.5 | 11/32" | 1 | 00000000 | 00000 |
| D | M2 | 0.4 | 5/16" | 0.228" | 15/32" | 15/64" | 5/64" | 8 | Metric Rounded Trapezoidal | 8:1 | 3 | 11/32" | 1 | 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.
For technical drawings and 3-D models, click on a part number.
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 | M2 | 0.4 | 5/16" | 0.228" | 15/32" | 15/64" | 5/64" | 1 | Metric Rounded Trapezoidal | 1:1 | 0.375 | 11/32" | 1 | 000000000 | 0000000 |