1.Pruduct name : Hexagon Nut
2.Standard : GB5780-5781 DIN934 ANSI JIS BS
3.Size : Diameter:M12-M20 Length:30mm-200mm
4.Grade : 4s 6s 8s 10s
5.Material : A3 Q235 45# 40Cr 35Crm
6.Packing : Pallet of carton
Hexagon Nuts