First, the cutter common materials 1) High-speed tool steel (referred to high-speed steel, front steel, etc.), sub-general and special high-speed steel two purposes.It has the fol......
Taps as a working tool in the thread, is the most important tool for manufacturing operator threading. Now tap tool brand different, different materials, how can we ensure that the......
Drill bit according to their different material, structure, purpose, etc., can be divided into the following, come together long knowledge of it! 1. Twist Twist is the most widel......
The tool has one or more hinge cutter, a rotary tool for removal of the machined bore surface of thin metal, and after the hole cutter can be obtained after processing the exact si......
Drill is used for drilling in solid materials with a through hole or a blind hole and is able to have a hole reaming tool. A little bit bored in our daily work can be said to help ......
In today's society, people are considering a product, just look at his cost, quality and so on, it is a look at pre-sale service. In promoting cheap labor and ot......