Product Description
Screw clamp with a serrated, hardened tool steel swivel ball. Serrated grippers are designed to slightly penetrate the workpiece to significantly increase gripping force, rather than relying on static friction alone. A positive stop prevents the ball from swiveling too far. Available in thread sizes from 3/8-16 to 5/8-11 (M10 to M16 in metric), each in a choice of several lengths. Made in USA.
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