Self-colour socket cap head machine screws, also known as socket cap screws with a unified national fine thread (UNF). Numerous sizes available at competitive prices.

UNF - Self-Colour Grade 12.9 Cap Head Socket Screws - ANSI B18.3

Socket cap head machine screws available in numerous sizes at competitive prices. The finer thread provides a finer pitch for specific applications that require more secure fastening and greater overall strength. Manufactured in self-colour grade 12.9 steel and often used within mechanical and engineering industries.

Extensive range with bulk discounts available and conforms to ANSI BA8.3