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About Shaft Collars
Shaft collars are useful for holding and positioning components on a shaft. They can also serve as mechanical stops and stroke limiters.
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Square Shaft Collars
Install these two-piece collars anywhere on a shaft without removing components or having access to the ends of the shaft. Collars clamp evenly around the shaft to create a strong, mar-free hold. Tighten the clamping screws to secure.
Black-oxide steel collars have some corrosion resistance. 303 stainless steel collars have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Clamping Screw | Black-Oxide 1215 Carbon Steel | 303 Stainless Steel | ||||||
|---|---|---|---|---|---|---|---|---|
| For Shaft Wd. | OD | Wd. | Type | No. Included | Each | Each | ||
| 1/4" | 1 1/16" | 5/16" | Socket Head Screw | 2 | 0000000 | 000000 | 0000000 | 000000 |
| 5/16" | 1 1/16" | 5/16" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 3/8" | 1 1/2" | 13/32" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 7/16" | 1 1/2" | 13/32" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 1/2" | 1 3/4" | 1/2" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 9/16" | 1 3/4" | 1/2" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 5/8" | 2" | 1/2" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 3/4" | 2 1/8" | 1/2" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 7/8" | 2 1/4" | 1/2" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 1" | 2 1/2" | 1/2" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 1 1/8" | 3" | 5/8" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 1 1/4" | 3" | 5/8" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 1 3/8" | 3 1/4" | 5/8" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 1 1/2" | 3 1/2" | 5/8" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 00000 |
| 1 3/4" | 4" | 3/4" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 000000 |
| 2" | 4 1/4" | 3/4" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 000000 |
| 2 1/2" | 5" | 3/4" | Socket Head Screw | 2 | 0000000 | 00000 | 0000000 | 000000 |