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Component Component |
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| Lead Screw | Nut |
Hardness Hardness |
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Specifications Met Specifications Met |
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Selecting Compatible Lead Screws and Nuts
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Metric 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, 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.
Lead Screws—Right-Hand Threaded
| 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 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 000000 |
| M10 | 2 | 1,000 | 1 | 1:1 | 2 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
| M12 | 3 | 500 | 1 | 1:1 | 3 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
| M12 | 3 | 1,000 | 1 | 1:1 | 3 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
| M12 | 3 | 2,000 | 1 | 1:1 | 3 | Class 7E | Grade 2 | Rockwell B72 | ASTM A108 | 000000000 | 00000 |
| M16 | 4 | 500 | 1 | 1:1 | 4 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
| M16 | 4 | 1,000 | 1 | 1:1 | 4 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
| M16 | 4 | 2,000 | 1 | 1:1 | 4 | Class 7E | Grade 2 | Rockwell B72 | ASTM A108 | 000000000 | 000000 |
| M20 | 4 | 1,000 | 1 | 1:1 | 4 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
| M20 | 4 | 2,000 | 1 | 1:1 | 4 | Class 7E | Grade 2 | Rockwell B72 | ASTM A108 | 000000000 | 000000 |
| M26 | 5 | 1,000 | 1 | 1:1 | 5 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 00000 |
| M26 | 5 | 2,000 | 1 | 1:1 | 5 | Class 7E | Grade 2 | Rockwell B72 | ASTM A108 | 000000000 | 000000 |
| M40 | 7 | 1,000 | 1 | 1:1 | 7 | Class 7E | Grade 2 | Not Rated | ASTM A108, ASTM A193, DIN 103 | 000000000 | 000000 |
| M40 | 7 | 2,000 | 1 | 1:1 | 7 | Class 7E | Grade 2 | Rockwell B72 | ASTM A108 | 000000000 | 000000 |
Hex Nuts—Right-Hand Threaded
Hex nuts fasten and position lead screw components.
| Thread Size | Thread Pitch, mm | Ht., mm | Wd., mm | No. of Thread Starts | Speed Ratio | Travel Distance per Turn, mm | Thread Fit | Fastener Strength Grade/Class | Hardness | Each | |
Carbon Steel | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | 3 | 12 | 22.2 | 1 | 1:1 | 3 | Class 7H | Grade 2 | Not Rated | 000000000 | 000000 |
| M16 | 4 | 16 | 27 | 1 | 1:1 | 4 | Class 7H | Grade 2 | Not Rated | 000000000 | 00000 |
| M20 | 4 | 20 | 31.75 | 1 | 1:1 | 4 | Class 7H | Grade 2 | Not Rated | 000000000 | 00000 |
| M26 | 5 | 25.4 | 41.3 | 1 | 1:1 | 5 | Class 7H | Grade 2 | Not Rated | 000000000 | 00000 |
| M40 | 7 | 39.9 | 60.33 | 1 | 1:1 | 7 | Class 7H | Grade 2 | Not Rated | 000000000 | 00000 |