Carbon Steel Hex Concave Head Bolt

Our countersunk screw, lag bolts CE, steel bar has undergone strict inspections to ensure that it delivered to customers is of high quality and high performance to satisfy our customers all over the world. Passion is the source of our forward attitude and strength. Through our respective businesses, we give full play to our respective capabilities to create high-value products and services that exceed customer expectations. We guarantee that our company will try our best to reduce customer purchase cost, shorten the period of purchase, stable products quality, increase customers' satisfaction and achieve win-win situation. The packing of nominated brand is our a further distinguishing feature.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is one of the leading jis hex bolt manufacturers and suppliers in China, welcome to buy jis hex bolts, jis standard hex bolt from our factory and company.

Shanghai Jinrui Norm Parts Supplies Co.,Ltd is a manufacturer with a rich experience of producing bolts,nuts and screw.Shanghai Jinrui owes total assets of RMB 50 million with area of 5000㎡. The business covers 18 countries from five continents.Now three branches of Shanghai Jinrui are Shanghai Xingrui Bolt Factory, Shanghai Xingrui Wire Steel Factory, and Shanghai Xingrui Hot heading Factory. 

This JISB1180 standard applys to normal steel hex bolt,stainless steel hex bolt and nonferrous hex bolt. The sizes are from M5-M64.

All the finish treatment of JIS hex bolt can be plain,zinc plated,yellow zinc plated,PTFE,black,dacromet ,HDG or other ways.

We produce a variety of new styles of Carbon Steel Hex Concave Head Bolt, and put them on the market in large quantities, which has been fully recognized by all sectors of society. We keep in line with the tenet of 'development by quality, navigation by science, and customer satisfaction as the purpose'. Our company has a good reputation in the industry.