12-16X1/2 Unslotted Indented Hex Washer High Low Screw Fully Threaded 18-8 Stainless Stee0 2500 pcs

10-32X1/2 Slotted Hex Washer External Sems Machine Screw Fully Threaded Zinc Bake. Hex washer head offers advantages of hex head, plus greater protection to mating surface.

3/8-16X1 Unslotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc. Thread-Cutting Type-F threaded screws are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. In stainless steel, 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.

10-24X1/2 Unslotted Indented Hex Washer Thread Cutting Screw Type 23 Fully Threaded Zinc. Thread-Cutting Type-23 screws provide excellent chip clearance with minimum tightening torques. Steel: Used in cast iron and zinc, aluminum die castings, and plastics. Stainless: Material into which the screw is to cut threads should have a lower hardness. Indented hex washer head offers advantages of hex head, plus greater protection to mating surface.

8X1 1/2 Phillips Indented Hex Washer Self Tapping Screw Type A B Fully Threaded Zinc. Type AB thread for use in the thinner sheet metal like used in appliances. Indented hex washer head offers advantages of hex head, plus greater protection to mating surface.

1/2-13X1 1/4 Slotted Indented Hex Washer Thread Cutting Screw Type F Fully Threaded Zinc. Thread-Cutting Type-F threaded screws are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. In stainless steel, 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.