#10 1/4" 5/16" 3/8" 7/16" UNF CAP SCREWS ALLEN KEY SOCKET BOLTS STAINLESS STEEL
£4.53
UNF Socket Cap Screws A2 Stainless Stee l. UNF socket cap screws. Threads pattern is Unified National Fine (UNF). 10UNF - 32tpi, allen key size 5/32". 1/4UNF - 28tpi, allen key size 3/16". 5/16UNF - 24tpi, allen key size 1/4".