Screws for plastic – in stock. Stocked in a range of diameters, thread lengths and a variety of head types. Imperial and metric thread forming screws for plastic are available. Manufactured in stainless stor black plated, with standard sizes available from stock.Plated Finish, Serrated Hex Washer Head, Slotted Drive, Type F, 3/8″-16 Thread Size, 1″ Length (Pack of 10) Thread cutting screw with type F point has machine screw threads that taper down to a blunt edge and is suitable for heavy gauge sheet metal, aluminum, cast iron, brass, and plasticThread Pitch. The screws have a thread pitch of 750 μm per turn, and can be turned in 1/32 steps of a full turn, allowing for fine adjustment of the internal pressure, and a continuous observation of the anvils and the gasket during pressurisation, using a stereo-microscope. From: Annual Reports on NMR Spectroscopy, 2018. Related terms: FrictionWe Stock a large variety of Thread Cutting Screws. We carry Type 25 thread cutting screws which work well in plastics, Type F for Sheet metals, Castings and Plastics, Type 1 for Metals, Type 4 works well for metal as well, Typ aluminum and other soft metal and many others.