Available Raw Material : carbon steel, alloy steel, stainless steel, brass,bronze, Type: Hexagon Head Connection: Common Bolt Head Style: Hexagonal Standard: DIN Grade: 8.8 Standard: DIN, ANSI,ASTM, JIS, GB, ISO,IFI,Non-standard Surface finishing : Galvanized (Various of color), dacromet, zinc plated ,nickle Alloy plated, polishing Origin: Wenzhou. China (Mainland) Application: Machinery Specification: Customer request Heat Treatment: Carburization or tempering or high-frequency quenching Packing : BULK +canton+pallet, Small Boxes+carton+pallet, or customer request -
