ISO4762 Class 12.9 Alloy Steel Socket Head Cap Screws Black Oxide Alloy Steel Socket Head Screws

Products Description

Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening. With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 12.9 steel screws. Their black-oxide finish provides mild corrosion resistance in dry environments. Length is measured from under the head.

Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Screws that meet ISO4762 (formerly DIN 912) comply with specifications for dimensional standards.

Products Specification

Note: Material, Size and Surface Treatment for choose.

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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.