Small Parts 0205LTPB Steel Thread Rolling Screw For Plastic, Black Oxide Finish, Pan Head, Star Drive, #2-28 Thread Size, 5/16 Length (Pack Of 100): Thread Forming And Cutting Screws

The steel thread rolling screw for use in plastic has a black oxide finish and a pan head with a star drive. Steel is often used in applications where strength is the primary consideration. The black oxide finish offers mild corrosion resistance and lubricity. The pan head has a flat top and short vertical sides with a rounded top edge. Thread cutting and thread rolling screws, two types of self-tapping screws, are threaded fasteners that create a mating thread in the wall of a hole. Thread cutting screws cut the wall of the hole to create the thread, creating material chips that need to be cleared away from the hole to prevent clogging. Thread rolling screw recommended for use in plastic Steel is often used in applications where strength is the primary consideration Black oxide finish offers mild corrosion resistance and lubricity Pan head has a flat top and short vertical sides with a rounded top edge Star drive has a six-pointed indentation that provides a large contact area for the driver, resisting slippage better than a Phillips or slotted drive