5/16X1 3/8 Spring Pin Slotted Thermal Black WUSSB The indented hex washer head

The indented hex washer head allows for easy tightening with a hex key

which allows it to be attached to a bolt or screw

4-24 x 1/2 Slotted Pan Thread Cutting Screw Type 25 Fully Threaded Zinc

With a length of 3 1/4 inches

The unslotted indent hexwasher head provides a secure grip and prevents slippage during installation

5/16X1 3/8 Spring Pin Slotted Thermal Black WUSSB The indented hex washer headThe 5 16 x 1 3 8 Spring Pin Slotted Thermal Black is a cylindrical pin with a slotted head and a black oxide finish. It is made of spring steel and has a diameter of 5 16 inches and a length of 1 3 8 inches. The pin is designed to be inserted into a hole and held in place by the spring tension of the material. The slotted head allows for easy removal with a screwdriver or other tool. The black oxide finish provides corrosion resistance and a