Online Shop Scroll our online shop below for our large range of great quality fixings and fasteners. UNC Thread Socket Caps Store/Threaded Fasteners/Socket Caps/Imperial Thread Socket Caps/UNC Thread Socket CapsRefine by Sort byWe recommendNewest arrivalsPrice: Low to HighPrice: High to LowName: A to ZName: Z to AFiltersClear allFiltersClear allShow itemsShow items1/4 x 3/8 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 3/8 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£6.441/4 x 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£7.881/4 x 5/8 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 5/8 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£8.801/4 x 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£9.961/4 x 7/8 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 7/8 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£10.681/4 x 1 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 1 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£11.881/4 x 1 1/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 1 1/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£13.721/4 x 1 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 1 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£15.921/4 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£16.521/4 x 2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2001/4 x 2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£17.405/16 x 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2005/16 x 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£11.165/16 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2005/16 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£23.245/16 x 2 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 1005/16 x 2 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 100£18.123/8 x 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2003/8 x 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£24.603/8 x 1 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2003/8 x 1 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£29.363/8 x 1 1/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2003/8 x 1 1/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£32.123/8 x 1 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 2003/8 x 1 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 200£34.083/8 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 1003/8 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 100£19.623/8 x 2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 1003/8 x 2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 100£21.883/8 x 2 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 1003/8 x 2 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 100£27.143/8 x 3 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 1003/8 x 3 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 100£31.283/8 x 3 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 503/8 x 3 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£18.433/8 x 4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 503/8 x 4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£17.591/2 x 1 1/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 1001/2 x 1 1/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 100£28.861/2 x 1 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 1001/2 x 1 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 100£37.841/2 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 501/2 x 1 3/4 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£19.351/2 x 2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 501/2 x 2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£21.421/2 x 2 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 501/2 x 2 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£25.201/2 x 3 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 501/2 x 3 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£26.461/2 x 3 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 501/2 x 3 1/2 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£34.461/2 x 5 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 501/2 x 5 Grade 12.9 UNC Socket Cap Screws ANSI B18.3 Pack of 50£37.80