Ground Eye Bolt

*Material:
carbon steel: Q235, 30#,45#;
stainless steel: 304,316,316L;
*Grade：4.8,8.8,10.9,12.9
*Surface:
Zinc plate(Cr 3+),HDG, DACROMET,polish,black,
Nickel, chrome,.etc
*Diameter：from 4mm to 20mm