What are the main points of operation in the hot dip galvanizing process?
2023-12-13 [ INDUSTRY ]
Hot-dip galvanizing is a common anti-corrosion treatment process for fasteners, which is widely used, and its process is as follows: Workpiece degreasing - washing - pickling - washing - dip plating solvent - drying and preheating - hot dip......
Analysis of the difference between half thread and full thread of screws
2023-12-06 [ INDUSTRY ]
Definition of first, half and full thread The half and full thread of a screw are a form of thread. Half thread screws have only half thread and pitch, while full thread screws have full thread thread and pitch. Sec......
What are the common materials of screws
2024-11-29 [ INDUSTRY ]
Common materials for screws include the following: 1. Copper: In the screw industry, there are pure copper (T2, T3), oxygen-free copper (TU0, TU1, TU2) and phosphorized oxygen copper (TP1, TP2). In actual production, we usually use 59 coppe......
How to test the product quality of screws
2023-11-22 [ INDUSTRY ]
Screw, refers to the construction machinery parts, it is a kind of sharp end such as nails, small cylindrical or conical metal rod with external thread parts, with a groove or with a concave head, separate application. The test of the begin......
2023-11-15 [ INDUSTRY ]
From the wire into a qualified fastener screw, you need to go through 6 processes. 1. Treatment of wire Fastener screws generally use wire with a diameter of 5-19㎜ as raw materials, and its material is mainly carbon steel, stainless steel, ......