Square head bolts is one of our main products,It is widely used for rail fastening

Square Head Bolts is one of our main products, we have professional technics for producing it. Our products have been widely exported to worldwide, and well recognized by them for our good quality. We are willing to build a long term business relationship with all of our customers and afford good products, price and service.

Our main grades: SAE 1,SAE 2, SAE 5, 4.6, 4.8, 5.6, 5.8, 6.8,  8.8,  9.8, 10.9, 12.9

Main raw material : Q235, 35#, 45#, 40Cr, 35CrMo, 42CrMo, 20MnTiB

Main Surface: Plain,Black, Zinc, HDG, Dacromet etc

Besides, we can also afford products completely according to customer requirments