White Zinc Plated Class 8.8 Steel Hex Bolts DIN931 Hex Head Screws ISO4041 Hex Screws

Products Descriptions

These Class 8.8 steel screws are suitable for fastening most machinery and equipment. Dimensions meet ISO (formerly DIN)specifications. Length is measured from under the head.

Zinc-plated steel screws resist corrosion in wet environments. Black ultra-corrosion-resistant-coated steel screws resist chemicals and withstand 1,000 hours of salt spray.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance.

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We are professional manufacture factory of screws, bolts, rivets, nuts,bushing and non-standard fastener from China.

Suzhou Runtai Prcision Hardware Co,.Ltd was eastiblished in 2000, located in the Suzhou City. With more than 10 years export experience, our products has been best-selling in Europe, the United States, the Southeast Asia.

We can supply the fastener according to GB, DIN, JIS, ANSI, BS, ISO and other standards, we can also supply fastener according to customer request.With favorable prices,in-time delivery and perfect after-sales service, my company have build longterm business relationship with more than 20 country customers.

Widely praised by my customer.

Quality is the eternal pursuit of my company. In 2011, my company pass the third part quality system certification ISO9001-2008. After one year of successfully delvoping, we passed another third part quality system certification ISO / TS16949.

With advanced production equipment, Modernization detection, testing equipment and instruments, scientific and effective management methods, to provide best quality products and services to customer.