Socket Cap Screws are bolts or machine screws with a Hex or Allen drive style. Knurled Head Socket Cap Screws have an externally grooved cap head and can be driven manually, or with a Hex Allen Bit or Key. A socket cap screw, also known as a socket head cap screw, socket screw or Allen socket bolt, is a type of cap screw with a cylindrical head and hexagonal drive hole. The term socket head cap screw typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times or more that of the screw shank (major) diameter.
316 Stainless Steel Socket Cap Screws offer the greatest amount of corrosion and rust resistance in Stainless Steel. Grade 316 Stainless Steel Screws are suitable for use in harsh environments including salt water or marine applications. 316 stainless steel is used and recommended for applications in severe, harsh or marine environments. Its corrosion resistance is greater than 18-8 stainless, which is why we recommend using 316 stainless steel fasteners for salt water application.
Sizes Listed As:Diameter - Thread Pitch x Length from Underside of HeadFT = Full ThreadPT = Partial Thread