The spotting drill is a tool that provides stability and centring of the opening tool in pressurised opening operations.
There are 3 basic conditions for selecting fried dough twist drill for drilling processing: material, coating and geometric characteristics.
Alloy inserts are the main blades with excellent performance and a wide range of applications. Now, various blades have emerged.
Now the technology of CNC milling machines is constantly developing and the functions are more perfect. Therefore, everyone has higher requirements for milling cutters on milling machines. There are many commonly used types of milling cutters according to their uses.
The main cutting edge of the end mill is the cylindrical surface, and the cutting edge on the end surface is the secondary cutting edge. An end mill without a center edge cannot perform a feed motion along the axial direction of the milling cutter.
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The positioning drill is also called a fixed-point drill. The cutting edges are designed for the front and rear edges, which can reduce the deflection caused by high-speed feeding, to achieve high positioning accuracy.
Carbide twist drill is a solid carbide tool used for hole machining after the carbide bar is ground and formed by a professional grinder, and the drill tip and cutting edge are TIALN coated. It is suitable for steel, stainless steel and cast iron.