type of washers

Material: Stainless steel, Carbon steel Finish: Black oxide, Zinc plated, Dacromet Standard: GB/T93 ,DIN127 ,DIN7980, ASME B 18.21.1  Size: φ2~φ48 Are You an OEM Manufacturer? Yes

Size: M1.6~M64, customized Material: Stainless Steel, Carbon steel, Copper/brass Grade: 201, 304, 316.  4.8, 6.8, 8.8 Finish: Galvanized, HDG, Dacromet, black oxide. Standard: DIN125, DIN126, DIN1441, GB/T 95, ISO7089, DIN EN ISO 7091，ANSI B 18.22M Are You an OEM Manufacturer? Yes

Size : ID 8.04XOD9.0XThk5.0 ,for M8 screw Hardness: 100HV Material: Steel Standard: GB849 ,GB850 Are You an OEM Manufacturer? Yes