Hex Head Bolts, Hex Cap Screws
Standard: DIN931, DIN 933, DIN558, DIN 601, DIN6914
ISO4017, DIN4017
A307, A325-1, A490-1
IFI C-6,IFI C-10, BS
Strength: 4.8, 6.8,8.8, 10.9, 12.9 (metric)
2, 5, 8, 10 (inch)