
DIN 903 Mushroom Head Square Neck Carriage Bolt
Through rapid response to market changes, we better serve the market and solve the problem of increasing people's actual demand for DIN Spring Washer, lug nuts CE, nuts. We take "market transformation, management improvement" and "research and development, quality and cost, energy saving and environmental protection" as our development strategy. In order to enhance the trust relationship with customers, investors, employees, communities, partners and other stakeholders, we are committed to promoting exchanges. We are adhering to the business philosophy of occupying the market with reasonable prices and winning reputation with thoughtful service, and provide our customers with preferential products and considerate services. Down-to-earth is our principle of employment, and self-confidence is the basis of our work.
Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading din carriage bolt manufacturers and suppliers in China, welcome to buy din carriage bolts, din standard carriage bolt from our factory and company.
Shanghai Jinrui Norm Parts Supplies Co.,Ltd is a manufacturer with a rich experience of producing bolts,nuts and screw.
This standard specifies DIN603 carriage bolts with metric threads M5 to M20 of product grade C.DIN standard carriage bolt can be made of carbon steel,stainless steel,alloy steel or other materials.Our carriage bolt has been certificated by ISO 9001 and TS16949.
Carriage bolts are widely used in the fields of machinery and equipment, construction, automobile, railway and other industries.
Standard | Grade | Finish | Certification |
DIN603 | 4.8 | Plain | ISO 9001;2008 |
6.8 | Zinc plated | ||
8.8 | Yellow zinc plated | ||
10.9 | PTFE | ||
12.9 | Black | TS16949 | |
A2-70 | Dacromet | ||
A4-70 | HDG | ||
Other | Other |



With a mission of 'Commitment to Excellence', our R & D team, with many years of experience in the field of DIN 903 Mushroom Head Square Neck Carriage Bolt, is constantly dedicated to improving the quality, performance and range of applications according to needs of customers. We save many profits of middlemen and logistics circulation for customers, and the supply price is cheaper and preferential. Our company adheres to the business philosophy of 'integrity management, quality first' and takes the establishment of a well-known brand in the industry as our mission.
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