Hex Bolt Company Introduces Tips For Bolt Tightening 2022-5-17 Hex Bolt Company describes the steps of bolt tightening: 1. After the bolt is pre-tightened, it can prevent the opening of the connected parts from separating and improve the fatigue strength of the bolt connection; 2. Prevent the sliding of the connected parts, rely on the friction force to achieve the effect of the connected parts against external loads, and avoid shearing loads on the bolts; 3. Prevent the internal pressure of the pressure vessel from leaking. Through the above introduction, 2H Heavy Hex Nuts Wholesaler hopes that you can simply refer to the content of this article in future use. https://www.ydfastener.com/