A Carriage Bolt has a dome head and a square handle that protrudes from its straight side. When using Carriage Bolt, it must be counter sunk to achieve the desired performance. Also, the flat end dedicated to the Carriage Bolt require you to use an and a for proper fixing. Carriage Bolt is ava... read more
DIN 603 bolts are screws for the relative position of fixed parts. What are the materials of DIN 603 bolts? Let's share the material of DIN 603 bolts as follows: Iron DIN 603 bolts material Iron DIN 603 bolts materials are generally black, but this is not all, the merchants will change the D... read more
The quality judgment on the surface treatment of DIN 603 bolts is mainly to check whether the corrosion resistance of DIN 603 bolts is effectively increased and whether the increase is not by the expected requirements. Electroplating, hot-dip galvanizing, and mechanical plating on the DIN 603 bolt... read more
DIN 933 bolt inspection is divided into manual and machine. Manual is the most primitive and most commonly used consistent detection method. To reduce the outflow of defective products as much as possible, the general production personnel inspects the packaged or shipped products visually to elimi... read more
Today, advanced manufacturing represented by large aircraft, large power generation equipment, automobiles, high-speed trains, large ships, and large complete sets of equipment has entered an important direction of development. As a result, fasteners will enter an important stage of development. B... read more
HAIYAN YIHUI HARDWARE TECHNOLOGY CO.,LTD. (Haiyan Junyuan Standard Parts Co., Ltd.) is a professional manufacturer of hexagon bolts, carriage bolts, hexagonal flange bolts and square head bolts. It was established in 2005 and belongs to Zhejiang Fasteners...
