Standard: GB/T 70.1, GB/T 70.4, 76, ISO 4762, ISO 21269, DIN 912, DIN 7984, JIS B 1176.
Grade: 8.8, 10.9, 12.9
Size: M3-M30
Materials: Carbon steel and stainless steel
Surface: Plated, zinc plated, chrome and electroplated

My factory has rich fastener manufacturing experience, enjoy better reputation in the market, We can also produce non-standard parts according to customer's requirements and drawings. Please contact us if you are interested. Any question will be appreciated. Thanks.