Compare over 50 grades of steel and cast iron to find the right material for you—all with material certificates for traceability.
Selecting Compatible Lead Screws and Nuts
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Hardened Undersized High-Speed M2 Tool Steel Rods

- Yield Strength: See table
- Hardness: Rockwell C60 (Very Hard)
These rods, also known as drill blanks, have an undersized diameter for machining your own 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.
Dia. | Dia. Tolerance | Drill Bit Size | Lg. | Yield Strength | Mechanical Finish | Straightness Tolerance | Each | |
0.209" | -0.0002" to 0" | 4 | 3 3/4" | Not Rated | 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.
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 | |
0.209" | 0" to 0.0002" | 4 | 3 3/4" | -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.
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 | |||||||||||||||
D | M2 | 0.4 | 9/32" | 0.209" | 15/32" | 15/64" | 5/64" | 2 | Metric Rounded Trapezoidal | 2:1 | 0.75 | 11/32" | 2 | 00000000 | 000000 |
D | M2 | 0.4 | 9/32" | 0.209" | 15/32" | 15/64" | 5/64" | 4 | Metric Rounded Trapezoidal | 4:1 | 1.5 | 11/32" | 2 | 00000000 | 00000 |
D | M2 | 0.4 | 9/32" | 0.209" | 15/32" | 15/64" | 5/64" | 8 | Metric Rounded Trapezoidal | 8:1 | 3 | 11/32" | 2 | 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.
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 | |||||||||||||||
C | M2 | 0.4 | 9/32" | 0.209" | 15/32" | 15/64" | 5/64" | 1 | Metric Rounded Trapezoidal | 1:1 | 0.375 | 11/32" | 2 | 000000000 | 000000 |