slot head screw
Sale Price:$400.00
Original Price:$500.00
sale
Slot head screws are driven by a flat-bladed screwdriver. ceria slot 138 Cross-head or Phillips screws have an X-shaped slot and are driven by a cross-head screwdriver , designed originally in the 1930s for use with mechanical screwing machines, intentionally made so the driver will ride out, or cam out, under strain to prevent over-tightening
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