DIN933 DIN931 ASTM A325 A490 ISO4041Black Structural Heavy Hex Head Bolts

DIN933 DIN931 ASTM A325 A490 ISO4041Black Structural Heavy Hex Head Bolts

Description:

DIN933 DIN931 ASTM A325 A490 ISO4041 Structural Bolt Heavy Hex Head Bolts, it has different sizes and stabdards.

ASTM A325 is an ASTM standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength. It defines mechanical properties for bolts that range from ¹⁄₂ to 1-¹⁄₂ in diameter. The equivalent metric standard is ASTM A325M, which is titled Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength. It defines mechanical properties for sizes M12–36. There is also a T version, which is used to refer to fully threaded bolts.

This is a standard set by the standards organization ASTM, a voluntary standards development organizations that sets technical standards for materials, products, systems, and services.

Hex screws, standard parts, fasteners widely used in various mechanical equipment, electronic products, communications equipment, furniture and equipment, construction and other sectors of production, installation and maintenance. About installation, to achieve the best installation result, it is important to use a properly manufactured riveting tool (see page 84). It is recommended to use a clamp to achieve a constant result. Small amounts can also beinstalled by hand tools.

Jiaxing Haina Fastener co. Ltd was established in 2010, located in the hometown of fasteners jiaxing city. For many years of export experience, our products has been best-selling in Europe, the United States, the Middle East and Southeast Asia. The products are manufactured by more functions machine, which is brought in domestic and foreign well-known enterprises. The products made are fully compatible with the international standards, well received by domestic and foreign customers. Through scientific management, Jiaxing Haina fastener Ltd company has been obtained ISO9000 certificate of Quality Managerment System, SGS and BV international certificate system of Make in China.

Product standards including DIN, ISO, GB and ASME/ANSI, BS, JIS AS. Main levels of carbon steel: 4.8, 4.8, 6.8, 8.8, 10.9, and 12.9 grade, the main material of stainless steel SS201, SS304, SS316 and various kinds of special stainless steel.

The width range of our products can be divided into auto fasteners, mechanical fasteners, construction fasteners, power fasteners, railway fasteners, household electrical appliances fasteners and chemical fasteners,

We have first-class service team, so we can meet the different requests for a set of customers. We solemnly commitment, first-grade quality, timely delivery guaranteed

Reasonable price and service paramount, forward to the operation principle of quality first and customer first, pursuit of excellence to create first-class brand, our aim is brand promoting development, management promoting earnings, warmly greeting home and abroad new and old customers to communicate and cooperate to seek greater success and brilliant future.