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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.
Carbon steel components are easier to machine than alloy steel components. Zinc-plated carbon steel components have mild 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.
Coupling Nuts—Right-Hand Threaded
Coupling nuts connect two lead screws.
| Thread Size | Ht. | Wd. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
Carbon Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 3/8"-12 | 1 7/8" | 1/2" | 1 | 1:1 | 0.083" | Class 2G | Rockwell B75 | 000000000 | 000000 |
| 1/2"-10 | 1 1/4" | 5/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 5/8"-8 | 2 1/8" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/4"-5 | 2 1/4" | 1" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/4"-6 | 2 1/4" | 1" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 7/8"-6 | 2 1/2" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-5 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-6 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-10 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/8"-5 | 3" | 1 1/2" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-4 | 3" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-5 | 3" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 3/8"-4 | 3 1/4" | 1 7/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/2"-4 | 3 1/2" | 2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 2"-4 | 4" | 3" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 000000 |
| 2 1/2"-4 | 5" | 3 1/2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 000000 |
Coupling Nuts—Left-Hand Threaded
Coupling nuts connect two lead screws.
| Thread Size | Ht. | Wd. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
Carbon Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/2"-10 | 1 1/4" | 5/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 000000 |
| 5/8"-8 | 2 1/8" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/4"-5 | 2 1/4" | 1" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/4"-6 | 2 1/4" | 1" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 7/8"-6 | 2 1/2" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-5 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-6 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-10 | 2 3/4" | 1 3/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/8"-5 | 3" | 1 1/2" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-4 | 3" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-5 | 3" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 3/8"-4 | 3 1/4" | 1 7/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/2"-4 | 3 1/2" | 2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 2"-4 | 4" | 3" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 000000 |
Hex Nuts—Right-Hand Threaded
Hex nuts fasten and position lead screw components.
| Thread Size | Ht. | Wd. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Hardness | Each | |
Carbon Steel | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4"-16 | 15/64" | 1/2" | 1 | 1:1 | 0.063" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/8"-8 | 23/64" | 11/16" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/8"-10 | 23/64" | 11/16" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/8"-12 | 23/64" | 11/16" | 1 | 1:1 | 0.083" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1/2"-8 | 31/64" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1/2"-10 | 31/64" | 7/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 5/8"-6 | 39/64" | 1 1/16" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 5/8"-8 | 39/64" | 1 1/16" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/4"-5 | 47/64" | 1 1/4" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/4"-6 | 47/64" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/4"-8 | 47/64" | 1 1/4" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 7/8"-6 | 55/64" | 1 7/16" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1"-4 | 63/64" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1"-5 | 63/64" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1"-6 | 63/64" | 1 5/8" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1"-8 | 63/64" | 1 5/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1"-10 | 63/64" | 1 5/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1 1/8"-5 | 1 7/64" | 1 13/16" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1 1/4"-4 | 1 1/4" | 2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-5 | 1 7/32" | 2" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1 3/8"-4 | 1 11/32" | 2 3/16" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/2"-4 | 1 15/32" | 2 3/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/2"-5 | 1 15/32" | 2 3/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 2"-4 | 1 31/32" | 3" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 2 1/4"-4 | 2 1/2" | 3 1/2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 2 1/2"-4 | 2 1/2" | 3 1/2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
Zinc-Plated Carbon Steel | |||||||||
| 1/4"-16 | 15/64" | 1/2" | 1 | 1:1 | 0.063" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/8"-8 | 23/64" | 11/16" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/8"-10 | 23/64" | 11/16" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 3/8"-12 | 23/64" | 11/16" | 1 | 1:1 | 0.083" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1/2"-8 | 31/64" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 1/2"-10 | 1/2" | 7/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 0000 |
| 5/8"-6 | 39/64" | 1 1/16" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 5/8"-8 | 5/8" | 1 1/16" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/4"-5 | 47/64" | 1 1/4" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/4"-6 | 3/4" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 3/4"-8 | 47/64" | 1 1/4" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 7/8"-6 | 55/64" | 1 7/16" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-4 | 63/64" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-5 | 1" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-6 | 63/64" | 1 5/8" | 1 | 1:1 | 0.167" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-8 | 63/64" | 1 5/8" | 1 | 1:1 | 0.125" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1"-10 | 63/64" | 1 5/8" | 1 | 1:1 | 0.1" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/8"-5 | 1 7/64" | 1 13/16" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-4 | 1 7/32" | 2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-5 | 1 1/4" | 2" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 3/8"-4 | 1 11/32" | 2 3/16" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/2"-4 | 1 15/32" | 2 3/8" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 1 1/2"-5 | 1 15/32" | 2 3/8" | 1 | 1:1 | 0.2" | Class 2G | Rockwell B75 | 000000000 | 00000 |
| 2"-4 | 1 31/32" | 3" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 000000 |
| 2 1/4"-4 | 2 1/2" | 3 1/2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 000000 |
| 2 1/2"-4 | 2 1/2" | 3 1/2" | 1 | 1:1 | 0.25" | Class 2G | Rockwell B75 | 000000000 | 000000 |
Hex Nuts—Left-Hand Threaded
Hex nuts fasten and position lead screw components.
| Thread Size | Ht. | Wd. | No. of Thread Starts | Speed Ratio | Travel Distance per Turn | Thread Fit | Fastener Strength Grade/Class | Hardness | Each | |
Carbon Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1/4"-16 | 13/64" | 1/2" | 1 | 1:1 | 0.063" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 00000 |
| 3/8"-8 | 23/64" | 11/16" | 1 | 1:1 | 0.125" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 3/8"-10 | 23/64" | 11/16" | 1 | 1:1 | 0.1" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 3/8"-12 | 23/64" | 11/16" | 1 | 1:1 | 0.083" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1/2"-8 | 31/64" | 7/8" | 1 | 1:1 | 0.125" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1/2"-10 | 31/64" | 7/8" | 1 | 1:1 | 0.1" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 5/8"-6 | 19/32" | 1 1/16" | 1 | 1:1 | 0.167" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 5/8"-8 | 19/32" | 1 1/16" | 1 | 1:1 | 0.125" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 3/4"-5 | 23/32" | 1 1/4" | 1 | 1:1 | 0.2" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 3/4"-6 | 23/32" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 3/4"-8 | 23/32" | 1 1/4" | 1 | 1:1 | 0.125" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 7/8"-6 | 55/64" | 1 7/16" | 1 | 1:1 | 0.167" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1"-4 | 63/64" | 1 5/8" | 1 | 1:1 | 0.25" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1"-5 | 63/64" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1"-6 | 63/64" | 1 5/8" | 1 | 1:1 | 0.167" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1"-8 | 63/64" | 1 5/8" | 1 | 1:1 | 0.125" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1"-10 | 63/64" | 1 5/8" | 1 | 1:1 | 0.1" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1 1/8"-5 | 1 7/64" | 1 13/16" | 1 | 1:1 | 0.2" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1 1/4"-4 | 1 3/16" | 2" | 1 | 1:1 | 0.25" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1 1/4"-5 | 1 3/16" | 2" | 1 | 1:1 | 0.2" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 0000 |
| 1 3/8"-4 | 1 11/32" | 2 3/16" | 1 | 1:1 | 0.25" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 00000 |
| 1 1/2"-4 | 1 1/2" | 2 3/8" | 1 | 1:1 | 0.25" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 00000 |
| 1 1/2"-5 | 1 1/2" | 2 3/8" | 1 | 1:1 | 0.2" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 00000 |
| 2"-4 | 1 31/32" | 3" | 1 | 1:1 | 0.25" | Class 2G | Grade 2 | Rockwell B85 | 000000000 | 00000 |
Zinc-Plated Carbon Steel | ||||||||||
| 1/2"-10 | 1/2" | 7/8" | 1 | 1:1 | 0.1" | Class 2G | __ | Rockwell B75 | 000000000 | 00000 |
| 5/8"-8 | 5/8" | 1 1/16" | 1 | 1:1 | 0.125" | Class 2G | __ | Rockwell B75 | 000000000 | 00000 |
| 3/4"-6 | 3/4" | 1 1/4" | 1 | 1:1 | 0.167" | Class 2G | __ | Rockwell B75 | 000000000 | 00000 |
| 1"-5 | 1" | 1 5/8" | 1 | 1:1 | 0.2" | Class 2G | __ | Rockwell B75 | 000000000 | 00000 |
| 1 1/4"-5 | 1 1/4" | 2" | 1 | 1:1 | 0.2" | Class 2G | __ | Rockwell B75 | 000000000 | 00000 |
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.
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.
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 |
Clamping Acme Lead Screw Collars
Thread these one-piece collars onto an Acme lead screw to separate and position components, or use them as an end stop to limit travel. Tighten the clamping screw to secure.
To ensure compatibility, please select a collar that has the same thread type, direction, and size as your lead screw.
Black-oxide carbon steel collars have mild corrosion resistance. 303 stainless steel collars have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
| Thread Size | OD | Wd. | No. of Thread Starts | Material | Hardness | Each | |
Right-Hand Threaded | |||||||
|---|---|---|---|---|---|---|---|
| 1/4"-16 | 5/8" | 5/16" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 3/8"-12 | 1 1/8" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 3/8"-16 | 7/8" | 3/8" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 0000 |
| 7/16"-12 | 1 1/8" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 1/2"-10 | 1 1/8" | 7/16" | 1 | 303 Stainless Steel | Brinell 228 | 0000000 | 00000 |
| 1/2"-10 | 1 5/16" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 5/8"-8 | 1 5/16" | 7/16" | 1 | 303 Stainless Steel | Brinell 228 | 0000000 | 00000 |
| 5/8"-8 | 1 5/8" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 5/8"-10 | 1 5/16" | 7/16" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 3/4"-6 | 1 1/2" | 1/2" | 1 | 303 Stainless Steel | Brinell 228 | 0000000 | 00000 |
| 3/4"-6 | 2" | 5/8" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 3/4"-10 | 1 1/2" | 1/2" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 3/4"-10 | 1 1/2" | 1/2" | 1 | 303 Stainless Steel | Brinell 228 | 0000000 | 00000 |
| 7/8"-6 | 2 1/8" | 5/8" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 1"-4 | 1 3/4" | 1/2" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 1"-5 | 1 3/4" | 1/2" | 1 | 303 Stainless Steel | Brinell 228 | 0000000 | 00000 |
| 1"-5 | 2 1/4" | 5/8" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 1"-10 | 1 3/4" | 1/2" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 1 1/8"-5 | 2 3/8" | 3/4" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 1 1/4"-5 | 2 1/2" | 3/4" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 1 1/2"-4 | 2 3/4" | 3/4" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 2"-4 | 3 1/2" | 1" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 2 1/2"-3 | 4" | 1" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
Left-Hand Threaded | |||||||
| 1/2"-10 | 1 5/16" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 3/4"-6 | 2" | 5/8" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 1"-5 | 2 1/4" | 5/8" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
Flanges for Precision Acme Nuts
Thread onto an externally threaded acme nut to create a custom flange nut.
For technical drawings and 3-D models, click on a part number.
| Flange Thread Size | Flange Dia. | Flange Thick. | Bolt Circle Dia. | Flange Hardness | Each | |
1117 Carbon Steel | ||||||
|---|---|---|---|---|---|---|
| 1 3/8"-16 | 2 49/64" | 33/64" | 2 17/64" | Brinell 156 | 000000000 | 000000 |
| 1 31/32"-18 | 4 13/64" | 53/64" | 3 7/16" | Brinell 156 | 000000000 | 00000 |
| 2 35/64"-18 | 4 15/16" | 29/32" | 4 1/16" | Brinell 156 | 000000000 | 00000 |
| 3 9/64"-12 | 5 3/8" | 1 37/64" | 4 3/8" | Brinell 156 | 000000000 | 00000 |
1215 Carbon Steel | ||||||
| 9/16"-18 | 1 39/64" | 13/32" | 1 1/8" | Not Rated | 000000000 | 00000 |
| 15/16"-16 | 2 5/8" | 17/32" | 2 3/32" | Not Rated | 000000000 | 00000 |
| 1"-18 | 2 5/8" | 17/32" | 2 3/32" | Not Rated | 000000000 | 00000 |
Two-Piece Clamping Acme Lead Screw Collars
Mount these two-piece collars anywhere on an Acme lead screw without removing components. Use them to separate and position components or as an end stop to limit travel. Made of black-oxide steel, they have mild corrosion resistance. Tighten the clamping screw to secure.
To ensure compatibility, please select a collar that has the same thread type, direction, and size as your lead screw.
For technical drawings and 3-D models, click on a part number.
| Thread Size | OD | Wd. | No. of Thread Starts | Material | Hardness | Each | |
Right-Hand Threaded | |||||||
|---|---|---|---|---|---|---|---|
| 1/4"-16 | 5/8" | 5/16" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 000000 |
| 3/8"-12 | 1 1/8" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 3/8"-16 | 7/8" | 3/8" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 1/2"-10 | 1 5/16" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 5/8"-8 | 1 5/8" | 1/2" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 5/8"-10 | 1 5/16" | 7/16" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 3/4"-6 | 2" | 5/8" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 3/4"-10 | 1 1/2" | 1/2" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 1"-4 | 1 3/4" | 1/2" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 1"-5 | 2 1/4" | 5/8" | 1 | Black Oxide 12L14 Carbon Steel | Brinell 163 | 0000000 | 00000 |
| 1"-10 | 1 3/4" | 1/2" | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
Metric Clamping Acme Lead Screw Collars
Thread these one-piece collars onto a metric Acme lead screw to separate and position components, or use them as an end stop to limit travel. Made of black-oxide steel, they have mild corrosion resistance. Tighten the clamping screws to secure.
To ensure compatibility, please select a collar that has the same thread type, direction, size, and pitch as your lead screw.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Thread Pitch, mm | OD, mm | Wd., mm | No. of Thread Starts | Material | Hardness | Each | |
Right-Hand Threaded | ||||||||
|---|---|---|---|---|---|---|---|---|
| M10 | 2 | 24 | 9 | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 000000 |
| M12 | 3 | 28 | 11 | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| M16 | 3 | 34 | 13 | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| M20 | 4 | 40 | 15 | 1 | Black Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |