ASTM A394 Hot DIP Galvanized Electric Tower Hexagon Head Bolts and nuts

Description:

Power tower screw professional production enterprises, our company * quality,* service, model complete, spot supply!Iron tower bolt, iron tower screw, power tower bolt, power bolt, hot-dip galvanized bolt, hot-dip galvanized bolt, galvanized bolt, galvanized screw, hot-dip galvanized iron tower bolt, hot-dip galvanized power bolt and other products are available.

The power tower screws produced by our company occupy the market with high quality, high performance and low price, and win the reputation!What does it take to build a laboratory for testing bearing products?Including raw material admission test: chemical composition, metallographic structure, hardness, etc.Metallographic hardness test of quench - tempered parts.Also to purchase: spectrometer, metallographic microscope, hardness tester.What accuracy can satisfy the requirement.When it is installed, it may also need the help of a variety of tools, generally speaking, the main use is the wrench, and the main application of the wrench.The power tower screws produced by our company occupy the market with high quality, high performance and low price, and win the reputation!What does it take to build a laboratory for testing bearing products?Including raw material admission test: chemical composition, metallographic structure, hardness, etc.Metallographic hardness test of quench - tempered parts.Also to purchase: spectrometer, metallographic microscope, hardness tester.What accuracy can satisfy the requirement.The effects of stress removal annealing and hot dip galvanizing on the surface residual stress of cold heading bolt and hot forging bolt were compared.By OM, SEM, EDS, X-ray residual stress analyzer and electropolishing instrument, the distribution of residual stress at different depths of the subsurface layer of 6.8 tower bolt polished rod was studied.

Specification:

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.