Material: steel Process: cold head, turning, thread Surface: galvanized Class:8.8 Standard:EN14399
Material:35CrMo4 or 40Cr or 40# steel
Bolt strenth grade: 8.8 class, 10.9 class in HR or HV
Nut strength grade: 8 class, 10 class in HR or HV
Mated washers are available.
Size:M3-M76
Standards:DIN ,ANSI/ASME,BS,GB,JIS, EN, Non-standard according to customer's drawing
Surface: hot dip galvanized.
Salt spray test : 720 hours or per customer's requirement
Packing:in bulk,15-25kgs per carton,then plywood box or according to customers requirement
Make all the parts according to customers` drawings and/or samples.
M20 class 8.8 galvanized steel high strength hex bolt&nut
