Whitworth BSW. With a hexagonal head. Steel self colour. Set screws. Thread size: 3/16" - 1".
Whitworth Socket Set Screws Grub BSW Hex Allen Key Head Self Colour Vintage NOS
UNF BOLTS HEXAGON HIGH TENSILE STEEL BLACK HEX SET SCREWS 1/4" 5/16" 3/8" 7/16"
M4 M5 M6 M8 FULL THREAD HEX SET SCREWS BOLTS FULL NUTS FLAT WASHERS ZINC PLATED
UNF BOLTS HEXAGON HIGH TENSILE STEEL BLACK HEX SET SCREWS 5/16" 3/8" 7/16" 1/2"
M4 A2 STAINLESS FULLY THREADED BOLTS HEX SET SCREWS + FULL NUTS WASHERS HEXAGON
M5 A2 STAINLESS FULLY THREADED BOLTS HEX SET SCREWS + FULL NUTS WASHERS HEXAGON
