What Are The Characteristics Of Square BoltsPosted by abyihui on March 23rd, 2020 Connecting structural members. Large angle steel and small angle steel are specially processed by DIN 603 bolts and then tightened with nuts. Milling a keyway on one side of the bolt, firstly fixing it, then hammering it into the slot on one side of the bolt. The dimension design of the square key and the key slot shall ensure that the end of the square key and the end of the bolt are just flat after the square key is inserted into the key slot to prevent loosening and theft. Another characteristic of the square bolt is that after the square key is wedged into the key slot, the local internal thread of the nut is firstly damaged, and then the key rises outward along the arc-shaped part of the key slot, and the bolt hole wall on the connecting angle steel plays a role of preventing retreat. Role. The third characteristic of the square bolt is that when the nut is loosened, the friction force acts. Like it? Share it!More by this author |