Non-standard Steel Nut 1.Nominal Diameter:M6-M100 2.Length: ... include: hex bolt and nut, high-strength bolt and nut, round nut, octagon nut,double endbolt ect.Material : Carbon steel, alloy ... of Strength : 4.8,8.8,10.9,12.94.Standard : GB,DIN,ANSI,BS ect 5.Surface: black, zinc ... can do the surface treatment as per your requirements.6, Non-standard is welcomed. Welcome to send us your enquiry anytime. We ...