... of high quality products such as bolts, high strength bolts, screws, nuts, threaded rod, anchor bolt, nail, other off-standard fasteners ... , ANSI/SAE/ASME, ISO, BS, AS standard.Diameters Metric: from M6 to M72, Inch. from 1/4" to 3"Length : Metric ... ,6.8,8.8,10.9, A2,A4 Inch.size: Gr2, Gr5,Gr8, A307Surface: SELF COLOUR, BLACK,ZP,YZP,H.D.G ...