Counterbored
Serrated
Hardened Tool Steel
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Now Also Available in Metric!
FEATURES: Serrated Round 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. The counterbored version is ideal for blind-hole installations.
SIZES: Counterbored Round Grippers are available in the following sizes – see Dimensions page for part numbers:| | 1/2" diameter (12mm in metric) | | | 5/8" diameter (16mm in metric) | | | 3/4" diameter (20mm in metric) | | | 1" diameter (25mm in metric) |
INSTALLATION: 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 (serration height is .062" on grippers with .125" x 90° serrations).
MATERIAL: M-2 tool steel, heat treated Rc 60-62, black oxide finish.
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