ROOFING BOLT WITH SQUARE NUT

1.Standard:DIN UNC/UNF BSW JIS ISO

2.Size: M5-M20 1/4''-5/8''  Length:3/8''-12''

3.Grade: 4.8,8.8,10.9

4.Material:carbon steel

5.Finish:Galvanized(Zinc-Plated)   HDG    Mechanical plating   Dacromet

6..Package: 25KGS packed in carton,then 40 cartons in the pallet.

7..Delivery time: 30-40 days after receiving  deposit.

8..Payment:T/T 30% advance,then 70% against the copy of the BL