Fasteners: 1) Hex nut: M2 to M64 2) Hex bolt: M6 to M48 3) Material: Carbon steel, alloy, stainless, brass 4) DIN934 Fasteners:1) Hex nut: M2 to M642) Hex bolt: M6 to M483) Material: Carbon steel, alloy, stainless, brass4) Standards: DIN934 & ANSI B18.2.2 & JIS B1181, DIN931, DIN933 Bolt and nut