Countersunk head. Thread - UNC (Imperial coarse). Grade 8 High tensile. Allen key drive. Picture for illastration only (colour finish may differ) all sizes zinc plated. Zinc plated steel. 5/16" - 18 tpi.
7/16" UNC GRADE 8 HEX BOLTS
STEEL HEXAGON FULL NUTS GRADE 8 HIGH TENSILE METRIC DIN 934 BRIGHT ZINC PLATED
1/4" 5/16" 3/8" 7/16" 1/2" UNC Hexagon Screws Bolts High Tensile Steel Grade 8.8
10.9 GRADE 8 UNC ZINC YELLOW HIGH TENSILE FULLY THREADED BOLTS 1/4" - 3/4"
UNC GRUB SCREWS HIGH TENSILE CUP POINT ALLEN KEY SOCKET #8 #10 1/4" 5/16" 3/8"
UNC GRUB SCREWS HIGH TENSILE CUP POINT ALLEN KEY SOCKET SETS #10 1/4" 5/16" 3/8"
