Selecting Compatible Lead Screws and Nuts
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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, size, and number of thread starts as your lead screw.
Black-oxide carbon steel collars have mild corrosion resistance. 303 stainless steel collars have good corrosion resistance.
Thread Size | OD | Wd. | No. of Thread Starts | Hardness | Each | |
Right-Hand Threaded | ||||||
|---|---|---|---|---|---|---|
Black-Oxide 1215 Carbon Steel | ||||||
| 1/4"-16 | 5/8" | 9/32" | 1 | Brinell 167 | 0000000 | 00000 |
| 3/8"-16 | 7/8" | 11/32" | 1 | Brinell 167 | 0000000 | 00000 |
| 5/8"-10 | 1 5/16" | 7/16" | 1 | Brinell 167 | 0000000 | 00000 |
| 3/4"-10 | 1 1/2" | 1/2" | 1 | Brinell 167 | 0000000 | 00000 |
| 1"-4 | 1 3/4" | 1/2" | 1 | Brinell 167 | 0000000 | 00000 |
| 1"-10 | 1 3/4" | 1/2" | 1 | Brinell 167 | 0000000 | 00000 |
Black-Oxide 12L14 Carbon Steel | ||||||
| 3/8"-12 | 1 1/8" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 7/16"-12 | 1 1/8" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 1/2"-10 | 1 5/16" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 5/8"-8 | 1 5/8" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 3/4"-6 | 2" | 5/8" | 1 | Brinell 163 | 0000000 | 00000 |
| 7/8"-6 | 2 1/8" | 5/8" | 1 | Brinell 163 | 0000000 | 00000 |
| 1"-5 | 2 1/4" | 5/8" | 1 | Brinell 163 | 0000000 | 00000 |
| 1 1/8"-5 | 2 3/8" | 3/4" | 1 | Brinell 163 | 0000000 | 00000 |
| 1 1/4"-5 | 2 1/2" | 3/4" | 1 | Brinell 163 | 0000000 | 00000 |
| 1 1/2"-4 | 2 3/4" | 3/4" | 1 | Brinell 163 | 0000000 | 00000 |
| 2"-4 | 3 1/2" | 1" | 1 | Brinell 163 | 0000000 | 00000 |
| 2 1/2"-3 | 4" | 1" | 1 | Brinell 163 | 0000000 | 000000 |
303 Stainless Steel | ||||||
| 1/4"-16 | 5/8" | 9/32" | 1 | Brinell 228 | 0000000 | 00000 |
| 3/8"-12 | 7/8" | 11/32" | 1 | Brinell 228 | 0000000 | 00000 |
| 3/8"-16 | 7/8" | 11/32" | 1 | Brinell 228 | 0000000 | 00000 |
| 1/2"-10 | 1 1/8" | 7/16" | 1 | Brinell 228 | 0000000 | 00000 |
| 5/8"-8 | 1 5/16" | 7/16" | 1 | Brinell 228 | 0000000 | 00000 |
| 5/8"-10 | 1 5/16" | 7/16" | 1 | Brinell 228 | 0000000 | 00000 |
| 3/4"-6 | 1 1/2" | 1/2" | 1 | Brinell 228 | 0000000 | 00000 |
| 3/4"-10 | 1 1/2" | 1/2" | 1 | Brinell 228 | 0000000 | 00000 |
| 1"-4 | 1 3/4" | 1/2" | 1 | Brinell 228 | 0000000 | 00000 |
| 1"-5 | 1 3/4" | 1/2" | 1 | Brinell 228 | 0000000 | 00000 |
| 1"-10 | 1 3/4" | 1/2" | 1 | Brinell 228 | 0000000 | 00000 |
Left-Hand Threaded | ||||||
Black-Oxide 12L14 Carbon Steel | ||||||
| 1/2"-10 | 1 5/16" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 3/4"-6 | 2" | 5/8" | 1 | Brinell 163 | 0000000 | 00000 |
| 1"-5 | 2 1/4" | 5/8" | 1 | Brinell 163 | 0000000 | 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. Tighten the clamping screw to secure.
To ensure compatibility, please select a collar that has the same thread type, direction, size, and number of thread starts as your lead screw.
Black-oxide carbon steel collars have mild corrosion resistance.
303 stainless steel collars have good corrosion resistance.
| Thread Size | OD | Wd. | No. of Thread Starts | Hardness | Each | |
Right-Hand Threaded | ||||||
|---|---|---|---|---|---|---|
Black-Oxide 1215 Carbon Steel | ||||||
| 1/4"-16 | 5/8" | 9/32" | 1 | Brinell 167 | 0000000 | 000000 |
| 3/8"-16 | 7/8" | 11/32" | 1 | Brinell 167 | 0000000 | 00000 |
| 5/8"-10 | 1 5/16" | 7/16" | 1 | Brinell 167 | 0000000 | 00000 |
| 3/4"-10 | 1 1/2" | 1/2" | 1 | Brinell 167 | 0000000 | 00000 |
| 1"-4 | 1 3/4" | 1/2" | 1 | Brinell 167 | 0000000 | 00000 |
| 1"-10 | 1 3/4" | 1/2" | 1 | Brinell 167 | 0000000 | 00000 |
| 1 1/2"-4 | 2 3/8" | 9/16" | 1 | Brinell 167 | 0000000 | 00000 |
| 1 1/4"-5 | 2 1/16" | 1/2" | 1 | Brinell 167 | 0000000 | 00000 |
Black-Oxide 12L14 Carbon Steel | ||||||
| 3/8"-12 | 1 1/8" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 1/2"-10 | 1 5/16" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 5/8"-8 | 1 5/8" | 1/2" | 1 | Brinell 163 | 0000000 | 00000 |
| 3/4"-6 | 2" | 5/8" | 1 | Brinell 163 | 0000000 | 00000 |
| 1"-5 | 2 1/4" | 5/8" | 1 | Brinell 163 | 0000000 | 00000 |
303 Stainless Steel | ||||||
| 1/2"-10 | 1 1/8" | 13/32" | 1 | Brinell 228 | 0000000 | 00000 |
| 3/4"-6 | 1 1/2" | 1/2" | 1 | Brinell 228 | 0000000 | 00000 |
| 1"-5 | 1 3/4" | 1/2" | 1 | Brinell 228 | 0000000 | 00000 |
Metric Clamping Lead Screw Collars
Thread these one-piece collars onto a metric 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, pitch, and number of thread starts as your lead screw.
| Thread Size | Thread Pitch, mm | OD, mm | Wd., mm | No. of Thread Starts | Material | Hardness | Each | |
Right-Hand Threaded | ||||||||
|---|---|---|---|---|---|---|---|---|
| M8 | 1.5 | 18 | 9 | 1 | Black-Oxide 1215 Carbon Steel | Brinell 167 | 00000000 | 000000 |
| M10 | 2 | 24 | 9 | 1 | Black-Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| 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 |
| M16 | 4 | 34 | 13 | 1 | Black-Oxide 1215 Carbon Steel | Brinell 167 | 00000000 | 00000 |
| M20 | 4 | 40 | 15 | 1 | Black-Oxide 1215 Carbon Steel | Brinell 167 | 0000000 | 00000 |
| M24 | 5 | 45 | 15 | 1 | Black-Oxide 1215 Carbon Steel | Brinell 167 | 00000000 | 00000 |