China Carbon Steel YZP Class 4.8 8.8 Sleeve Anchor Bolt With Hex Flange Nut Manufacturers And Suppliers | Qijing

When installed, the taper-head metal cone expand the lead sleeve to fill all the pores and crevices of the material in which it is set. Product Name : Expansion Bolt;Material : Carbon Steel, Zinc Pleated Thread Diameter : 8mm/ 5/16;Total Length : 50mm/ 2 Package Content : 3 x Expansion Bolt