A2 A4 Socket Button Cap Customized Flat Head Machine Screw For Railway

A2 A4 Socket Button Cap Customized Flat Head Machine Screw For Railway

Description:

Chinese standard for the button head socket cap screw GB/T 70.2-2008. Socket cap screws are a headed and externally threaded part designed for insertion through a close tolerance, internally tapped hole and mated with a nut. Tension on the socket cap screw is induced by rotation of the screw head. There is a hex socket in the head that accepts a hex wrench to tighten the socket cap screw. The point at the threaded end of the socket cap screw is machined flat so it will fit into a drilled hole. Button head socket cap screws have a domed-shaped head that is wider.

Hexagon flat head screws are made of two kinds, both are commonly used materials, stainless steel and carbon steel, carbon steel, we generally refer to iron, carbon steel hardness by grade points, low carbon steel, carbon steel, high carbon steel three. So hex flat head screws of strength class 4.8, 8.8, 10.9, 12.9 of these categories.

Stainless steel is generally divided into SS304 SS316 A2 A4. Stainless steel has strong corrosion resistance. Mechanical properties of stainless steel screws stronger than steel screws.

Specification:

Stainless steel machine Screws are mainly for railway and road bridges, steel boilers, industrial plants, high-rise buildings, tower mast structure, lifting machinery and steel structures need to use a combination of friction-type high screw occasions.

Advantages:

1. Reply you in 24 working hours.
2. Experienced staffs would like to answer all your questions in time.
3. Customized design is available. ODM&OEM are welcomed.Excellent quality control system for fine dimensional accuracy.
4. Various materials are available as per your request
5. Conform to international standard.
6. We had got certificate of ISO9001: 2008, SGS & RoHS.
7. Prompt delivery.
8. Various sizes are available.

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.