5/16-18X3/4 Slotted Indent Hex Washer Serrated Thread Cutting Screw Type 23 Full Thread Zinc (Pack Qty 1,500) BC-31123SWS

Steel type-23’s are well-suited for cast iron and zinc, aluminum die castings, and plastics. The type-23 design provides excellent chip clearing with minimum tightening torques. 18-8 stainless screws offer additional resistance to corrosion. When using any thread-cutting screw, the material in which the threads are cut should have a lower hardness by at least When using any thread-cutting screw, the material in which the threads are cut should have a lower hardness by at least 10 to 20 RockweYou may also like 3/8-16X2 1/4 Coarse Thread Hex Cap Screw Grade 9 DFAR EcoGuard Gray/Silver 1,000 Hr Corrosion (Pack Qty 450) BC-3736CH9.