6-20X1/4 Slotted Indented Hex Washer Thread Cutting Screw Type 25 Full Threaded Zinc Bake 10000 pcs 06045SW

6X1/4 Slotted Indented Hex Washer Thread Cutting Screw Type 25 Fully Threaded Zinc ANd. Thread-Cutting Type-25 screws provide excellent chip clearance. Steel: Used in molded or through holes in plastics and other soft materials. Stainless: Material into which the screw is to cut threads should have a lower hardness by 10-20 Rockwell hardness. Indented hex washer head offers advantages of hex head, plus greater protection to mating surface.