heavy hex head bolts

As a manufacturer of heavy hex head bolts and screws, we are able to produce heavy hex head bolts thread size 1/2"-13, 5/8"-11, 3/4"-10, 7/8"-9, 1"-8, 1 1/8"-7, 1 1/4"-7, Length 1 1/4" to 8". We are able to produce heavy hex head bolts and screws A 490, A 490M, A 325, A 325M, ASME B 18.2.6, ASME B 18.2.1, EN 14399, DIN 6914, DIN 7990, ISO 7411, ASTM F 3125, ASTM F 3125M and other standards. 
Our company heavy hex head bolts and screws specifications are complete, the quality is stable, the delivery is fast, the service is thoughtful, welcome to order. Heavy hex head bolts and screws are used for the connection and fixing of steel structural parts of various buildings and bridges.
Hebei Jinan Fastener Co.,Ltd is heavy hex head bolts manufacturers, heavy hex head bolts factory, heavy hex head bolts suppliers, Our heavy hex head bolts specifications are complete, the quality is stable, the delivery is fast, the service is thoughtful, welcome to order.