Product Details
The 3/8-16x1 unslotted indented hex washer thread cutting screw type F is fully threaded and made of zinc. It is specifically designed for use in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass, and plastic. For stainless steel applications, the material into which the screw is to cut threads should possess a hardness that is 10-20 Rockwell hardness points lower than that of the screw. The indented hex washer head combines the benefits of a traditional hex head with enhanced protection for the mating surface, ensuring durability and reliability in various applications.








