About Us

Ningbo Steel Bolt Co., Ltd is a more than 20-year experienced high-strength fastener manufacturer located in the scenic and affluent coastal Ningbo city, Zhejiang Province. We have been an export-oriented company. With advantageous position and powerful production capacity, our major export markets are focusing on America, Europe, Korea, South Africa, the middle east, Vietnam, etc.

We specialize in dealing with different kinds of bolts, nuts, threaded rods, stud bolts and washers applying to multiple life and industry context. Usually we do as follows,

ASTM A325/A490 Type 1 Structural Bolts, SAE J429 Grade 2/5/8 Hex Bolts, DIN931/933/960/961 Hex Bolts, DIN912-12.9 Hexagon Socket Screws, ASTM A193 Gr.B7/B7M Threaded Rod/Stud Bolts, ASTM A194 Gr.2H/2HM, 7L/7M, 8/8M Heavy Hex Nuts, A563 Gr. A/B/C/DH Heavy Hex Nuts, SAE J995 Gr. 2/5/8 Hex Nuts.

Our product size ranges from M6 to M100. The main material we use are carbon steel, alloy steel and stainless steel. Also, we can produce as per your drawing and design.

We’re proud of being an ISO 9001:2015 certified company with mature technology, especially of producing the 2H Nuts and B7 Stud Bolts. Our products strictly comply with classical ASTM standard, Din standard or customized standard. Emphasis on meeting quality, delivery and after-sale requirements, we win a good reputation among customers at home and abroad. We’ll continue to work under the principle of mutual benefit and achieve win-win cooperation with our partners.

The company has own business philosophy of attaching great importance to communication. Cross-border trade needs straightforward and patient talking. Our staffs’ consistent goal is to instill trust in our customers and continuously chase for superior service. We would try best to prove that every product we create is manufactured with the utmost precision and care.

Remembering the obstacles scattered on the road of entrepreneurship, we really appreciate every partners' support along the way. And we sincerely look forward to working with you in the near future.