5/16 INCH HIGH TENSILE HEX BOLT (NUT & FLAT WASHER) sold …, Mandai

High tensile bolts
High tensile bolts made of high-strength steel, or bolts that require greater pre-tightening force, can be called high-strength bolts. High-strength bolts are mostly used for the connection of bridges, rails, high-pressure and ultra-high pressure equipment. The fracture of this kind of bolt is mostly brittle fracture. High-strength bolts applied to ultra-high pressure equipment need to be prestressed in order to ensure the sealing of the container. Several concepts about high-strength bolts 1. According to the requirements of the performance level of bolts above 8.8, it is called high-strength bolts.