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Square Grippers are similar to Round Grippers, but their shape is useful when positive resistance to rotation is required (because they can be mounted against a step to prevent rotation). These serrated grippers are hard, replaceable inserts used to provide additional holding force and/or wear resistance when installed in a fixture. They are designed to slightly penetrate the workpiece to significantly increase gripping force, rather than relying on static friction alone. Made in USA.
Square Grippers can be mounted against a step for positive resistance to rotation.

Counterbored grippers are useful whenever fastening from behind or the side is not possible. Fasten with a standard socket-head cap screw. Grippers can be recess-mounted in a flat-bottom hole, or surface mounted to use as a rest pad. When grippers are installed in a hole, they should project 50 to 100% of serration height for maximum effectiveness.
| Material | Heat Treat | Finish | DFARS | RoHS |
| M-2 Tool Steel | Heat Treated Rc 60-62 | Black Oxide | Yes | Yes |

| A (mm) | B (mm) | C Mounting Screw | Serrations | Serration Dimensions |
| 20mm | 12mm | M5 | Fine | 3.2x90° |
Ships within 48 hours · Estimated delivery Jun 23 - Jun 28
US$40
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