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Thread Direction Thread Direction |
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OD OD |
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Clamping Screw Material Clamping Screw Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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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, 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 | 000000 |
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 |
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 |