Pin-In-Hex Socket Screws feature a small metal post in the middle of the screw head that prevents a normal hex driver from engaging. Available in stainless steel in both machine screw and sheet metal ...

They otherwise resemble sheet metal screws. Set screws are headless, threaded rod segments that sit flushed with the penetrated material. Their most common use is in conjunction with shaft collars, or ...

They fasten wood to wood, metal to metal ... The process of cutting threads in the wall of a hole is known as tapping. Sheet metal screws are known as self-tapping fasteners because they cut ...