China Bolt Factory

Jiaxing Qiangbo Trading  Co., Ltd. is a professional manufacturer and supplier of fasteners in China. Our factory Jiaxing Qiangbo Hardware Technology Co., Ltd. is established in 1986 and located in the home town of fasteners Haiyan county. Through our efforts over the years, Qiangbo has become a professional manufacturer including but not limited to sleeve anchor, stampings parts, screws, bolts, nuts and washers. With strong technical support, advanced equipment, high quality management and good service, we supply fasteners of high quality and wholesale price.

There are three categories of bolts: Hex Bolt, Carriage Bolt, Hexagon Socket Screws, and socket head cap screws. Welcome new and old customers to continue to cooperate with us to create a better future!

Bolt is a kind of fastener, which is the most widely used. It is composed of a head and a stud with thread. It needs to be matched with a nut for fastening and connecting two parts with holes. This type of connection is called bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.

Bolts are usually made of carbon steel and stainless steel. Carbon steel bolt performance grade 4.8, 5.6, 6.8, 8.8, 10.9, 12.9, of which 8.8 and above bolt material is medium carbon steel or alloy steel and heat treatment, called high strength bolt. Stainless steel bolts are divided into A2-70, A2-80, A4-70, A4-80 according to the class performance grade of stainless steel.

Bolts are widely used in daily life and industrial production and manufacturing. Bolts are used in electronic products, mechanical products, electrical equipment, ships, vehicles, and even chemical experiments.