Standard: ASTM A193 B7 or others
Material and Grade: B7 B7M L7 L7M B16 OR OTHERS
Finishing: BLACK HOT DIP GALVANIZED /BLACK OXIDE/OTHERS
Material: 4140, Alloy steel: 20MnTiB, 40Cr, 42CrMo, etc.
Class: B7 B7M L7 L7M B16, 10.9, 11.9, 12.9
Packing:
1) Bulk packing: About 20-25kgs per carton, then in cartons, onto pallets or other packing
2) Assortment in poly bag or plastic box.
3)As to customers' requirement
Haiyan Secon Fastener Co., Ltd, founded in 2008, is a professional Threaded rod & Screw manufacturer specializing in Threaded rod, Drywall screw,Roofing screw,Self drilling screw, Chipboard screw,Self tapping screw, Wood screw, etc. With a lot of Years of fasteners experiences, now we have a highly qualified Management Team and professional product and export department.The production are widely sold to America, Europe, Australia, South America, Africa by our export company Haiyan Secon Imp. & Exp. Ltd.
