On clamping operations, the partially protruding hub of the GN 421 hollow knurled screws prevents chipping of the plastic.
Workholding & Machine Tool Accessories,Hand Knobs and Wheels,Knobs
JW Winco GN421-M4-20 Knurled Screw
Specifications of JW Winco GN421-M4-20 Knurled Screw | |
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Category | |
Instock | instock |