Hexagon Head Bolt And Screw
Feb 28, 2009
Standard: ISO, DIN, ANSI, BS, JIS, Others
Material: Carbon steel, Alloy steel, Stainless steel
Grade: 4.6, 4.8, 5.8, 6.8, 8.8, 10.9, 12.9; 2, 5, 8; A2, A4
Coating: Antirust oil, Zinc Plated, Yellow Zinc, HDG, Phosphated
Quality control:.....
Ningbo Grand Fastener Co., Ltd