Groups

• Bolt Factory Tin Plating Process

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  Tin is a silvery white metal, non-toxic, with good weldability and ductility. Widely used in electronics, food, automobile and other industries. The tinning process for hexagonal flange screws is classified according to the PH value of the plating solution, and can be divided into two categories: acidic plating solution process and alkaline tinning process. Next, the Bolt Factory will give you a detailed introduction.
• Tightening Of Hex Slotted Bolt

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  High-strength ANSI B18.2.1 bolts can be found in various industrial fields, so how to check the quality of high-strength ANSI B18.2.1 bolts, the following Xintong fasteners share the inspection of high-strength ANSI B18.2.1 bolts for everyone method.
• ANSI B18.2.1 Bolt Blackening Process

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  Production process of high strength blackened ANSI B18.2.1 bolts Mounting rack → Degreasing with boiling alkali solution → Water cleaning → Derusting with hydrochloric acid solution → Water cleaning → Boiling water heating → Oxidation → Water cleaning → Saponification → Water cleaning → Self-drying → Hot oil dipping → Oil control → Inspection → Storage.
• Quality Control Of Ansi B18.2.1 Bolts

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  If you want to produce good quality ANSI B18.2.1 bolts, how do you control the quality of the product? Next, Haiyan Yihui Hardware Technology Co., Ltd. will make a specific introduction for everyone! 1. If you want to make good quality, you need to strictly require every detail of the production combination ANSI B18.2.1 bolts in the manufacturing process.
• How To Do Ansi B18.2.1 Bolts To Prevent Loosening

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  ANSI B18.2.1 bolts, but under impact, vibration or variable load, and when the working temperature changes greatly