Selecting Compatible Lead Screws and Nuts
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Acme Lead Screws and Nuts

Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction and size.
Alloy steel components are harder and stronger than carbon steel components. 316 stainless steel components have excellent corrosion resistance.
Travel distance per turn, also known as screw lead, is the distance a nut or handle 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 | Speed Ratio | Travel Distance per Turn | Thread Fit | Fastener Strength Grade/Class | Hardness | Tensile Strength, psi | Specifications Met | Each | |
Alloy Steel | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1/4"-16 | 6" | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1/4"-16 | 12" | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/4"-16 | 3 ft. | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/4"-16 | 6 ft. | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 12" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/8"-10 | 12" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/8"-12 | 6" | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 12" | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 2 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 3 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 6 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/8"-12 | 12 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1/2"-8 | 12" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1/2"-10 | 6" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 8" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 10" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 12" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 2 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 4 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 8 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1/2"-10 | 12 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
5/8"-6 | 12" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
5/8"-8 | 6" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 12" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 2 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 4 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 8 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
5/8"-8 | 12 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-5 | 12 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-6 | 6" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-6 | 12" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-6 | 2 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-6 | 4 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-6 | 8 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-6 | 12 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-8 | 12" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
7/8"-6 | 12" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
7/8"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
7/8"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-4 | 12" | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 6" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1"-5 | 2 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 4 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 8 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 12 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-6 | 12" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-6 | 12 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-8 | 12" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 12" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 12 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/8"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1 1/8"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/8"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-4 | 12" | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1 1/4"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-4 | 12 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 2 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 4 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 8 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 12 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 3/8"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 3/8"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 12" | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 2 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 4 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 8 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 12 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
2"-4 | 12" | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
2"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
2"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
2 1/2"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
316 Stainless Steel | |||||||||||
1/4"-16 | 12" | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1/4"-16 | 3 ft. | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1/4"-16 | 6 ft. | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 12" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
3/8"-12 | 12" | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 3 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 6 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 12" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
5/8"-8 | 12" | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
5/8"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
3/4"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
3/4"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
3/4"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
3/4"-6 | 12" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
3/4"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
3/4"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
7/8"-6 | 12" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
7/8"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
7/8"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-4 | 12" | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-6 | 12" | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 00000 |
1"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 12" | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 12" | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 12" | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B8M | Rockwell B97 | 75,000 | ASTM A193 | 000000000 | 000000 |
Thread Size | Lg. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Fastener Strength Grade/Class | Hardness | Tensile Strength, psi | Specifications Met | Each | |
Alloy Steel | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
1/4"-16 | 3 ft. | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1/4"-16 | 6 ft. | 1 | 1:1 | 0.063" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 3 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/8"-12 | 6 ft. | 1 | 1:1 | 0.083" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1/2"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1/2"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
1/2"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
5/8"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
5/8"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
5/8"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
3/4"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
3/4"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
7/8"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 00000 |
7/8"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-6 | 3 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-6 | 6 ft. | 1 | 1:1 | 0.167" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-8 | 3 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-8 | 6 ft. | 1 | 1:1 | 0.125" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 3 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1"-10 | 6 ft. | 1 | 1:1 | 0.1" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/8"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/8"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/4"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 3/8"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 3/8"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-5 | 3 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
1 1/2"-5 | 6 ft. | 1 | 1:1 | 0.2" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
2"-4 | 3 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
2"-4 | 6 ft. | 1 | 1:1 | 0.25" | Class 2G | ASTM Grade B7 | Rockwell C35 | 125,000 | ASTM A193 | 000000000 | 000000 |
Metric Lead Screws and Nuts

Found in hand-powered clamps, vises, grates, doors, and work tables, lead screws and nuts have broad, square threads that are well suited for quick assembly, high clamping forces, and lifting and lowering heavy objects. To ensure compatibility, please select components that have the same thread direction, size, and pitch. Class 7e and 7H components are compatible.
Black-oxide carbon steel components have mild corrosion resistance.
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 | Thread Pitch, mm | Lg., mm | No. of Thread Starts | Speed Ratio | Travel Distance per Turn, mm | Thread Fit | Fastener Strength Grade/Class | Hardness | Specifications Met | Each | |
Black-Oxide Carbon Steel | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
M10 | 2 | 500 | 1 | 1:1 | 2 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 000000 |
M10 | 2 | 1,000 | 1 | 1:1 | 2 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
M12 | 3 | 500 | 1 | 1:1 | 3 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
M12 | 3 | 1,000 | 1 | 1:1 | 3 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
M16 | 4 | 500 | 1 | 1:1 | 4 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
M16 | 4 | 1,000 | 1 | 1:1 | 4 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
M20 | 4 | 1,000 | 1 | 1:1 | 4 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 000000 |
M26 | 5 | 1,000 | 1 | 1:1 | 5 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
M40 | 7 | 1,000 | 1 | 1:1 | 7 | 7e | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 000000 |