
Car Exhaust Pipe Spring Screw M8*30.5, Mechanical Equipment Bolts/Screws
Wining the majority from the crucial certifications of its market for Auto Fastener CE, bolts TS16949, bolt screw TS16949. Expertise and know-how ensure that we are always enjoying the trust from our customers in our business activities. Our products occupy a high share in the domestic market and also enjoy a good reputation in the international market. In order to achieve a sound and rapid development of our company, we need to further promote our corporate culture to enhance cohesion.
Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading iso hex bolt manufacturers and suppliers in China, welcome to buy iso hex bolts, iso standard hex bolt from our factory and company.
This International Standard specifies the characteristics of hexagon head screws with threads from M1.6 up to and including M64,of product grade A for threads M1.6 to M24 and nominal lengths up to and including 10 d or 150mm.whichever is the shorter,and product grade B for threads over 10d or 150mm,which ever is the shorter.
This type of product is the same as that covered by ISO 4014 with the exception of threading up to head and nominal lengths up to including 200mm as preferred lengths.
Standard | Material | Finish | Thread |
ISO4014 ISO4017 ISO4018 | carbon steel | Plain | UNC |
Zinc plated | |||
Alloy steel | Yellow zinc plated | ||
PTFE | |||
Stainless steel | Black | UNF | |
Dacromet | |||
Other | HDG | ||
Other |
ISO4014



With a humble, pragmatic and innovative attitude, we respect the corporate policy of efficient management, quality first, and service-oriented to provide customers with superb Car Exhaust Pipe Spring Screw M8*30.5, Mechanical Equipment Bolts/Screws and quality services. All along, we adhere to the customer-oriented, market-oriented, constantly improve product quality and develop product types to meet the growing needs of customers. Our factory has advanced automated production lines and testing equipment, and we use domestic and foreign high-quality raw materials, strictly following quality system standard to carry out strict quality process control.
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