Bolts & nuts 1) Size: A) Hex nut: M2 to M135 B) Hex bolt: M6 to M48 2) Material: Mild steel, 35C, 45C, SUS304, SUS316. 3) Standards: DIN934 & ANSI B18.2.2 & JIS B1181, DIN931, DIN933. 4) Coating: Zinc plated, hot dipped, epoxy coating, dacromet coating or at customers' request. 5) Special materials can be made upon customers' request. 6) Special bolts and nuts can be made according to customers' drawings or samples.