It used for 50kg, 70lb, 85lb or 90/91lb.
Material: 60Si2MnA, 45#, etc.
Type: FR50
Grade: 4.8, 5.6, 8.8, 10.9
Surface Treatment: Plain (Oiled), Black Oxide, Zinc plated, Galvanized, etc.
+86 318 8816 666
+86 318 6175 555
info@jzyxfastener.com
live:yixinfastener 
No.999 Yongxing West Road, Jizhou District, Hengshui City, Hebei Province, China
