Ningbo ASME Fastener is a manufacturer and distributor of hex bolts and hex nuts, located in Ningbo, China.

Ningbo ASME Fastener provides hex bolts, hex nuts, stud bolts, flat washers and nonstandard construction fasteners directly to contractors, oil industry, shipbuilding industry and other construction-related companies worldwide.

We manufacture threaded fasteners from 3/8" to 4" or M8 to M100 in diameter. Our main standard grades are: Threaded rods ASTM A193 GR. B7, B7M, B8, B8M, B16. Hex bolts ASTM A325, A325M A490, 490M, DIN933, DIN931. Hex nuts: ASTM A194 GR. 2H, 2HM, 7, 7L, 8, 8M, Grade 5, DIN934. Flat washers: ASTM F436, F436M, DIN125.

With more than 20 years of production experience, our bolts are found all over the world. “Our bolts are not necessarily the best, but we will produce better bolts every time” Keep up the good work - Fastener People.