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(Total 12 Products for Twist Step Drill Bit)
Extra long drill bits for steel
The features of the extra long drills: 1.Super longer length, not good enough rigidity, 2.Deep hole drilling, the drill cutting condition and tool wear cannot be observed easily. 3.The drill bit breaks easily. When drilling a deep hole, it's better to drill a pilot hole in advance . Also the extra long drill bits...
Carbide steel drill bits D10.6
In metal cutting methods, drilling processing accounted for 20%, and in drilling processing, carbide drill bits used accounted for 30%.Solid carbide drill are widely used for hole drilling in metal cutting. There are many type drills based on the cutting conditions. We have standard carbide drill, carbide drill with...
The internal cooling carbide drill bit is specially designed for high-speed hole drilling, it has 2 spiral coolant holes from all over the carbide drill, in the cutting process, compressed air, oil or cutting fluid is passed through to cool the tool.The carbide internal cooling drill bit can wash away the chips,...
Carbide drill bits coolant through 12.1 mm
As we all know, The difficulty in drilling process is chip evacuation and chip breaking.The design of the chip breaker allows the iron chips to be cut at a fixed length, and will not be wound on the workpiece and cause scratches on the surface of the workpiece. According to workpiece shape, material, structure, and...
The difference between carbide drill bits for aluminum and carbide universal drill bits is that aluminum drill bits are basically uncoated, Even if it is coated, it is also DLC coating.DLC coating not only has a small friction coefficient, but also has good adhesion resistance, high hardness and excellent wear...
Carbide drill for aluminum D14.5
Today we gonna introduce the extra long carbide drills bits for aluminum cutting. usually, it's uncoated for aluminum cutting, The spiral flute of drill bit is polished, double-margin design, the cutting edge sharpened, which can reduce the formation of accumulated chips. The difference between carbide drill bits for...
Solid carbide 3 flutes drill is an effective hole machining tool, which is widely used in metal machining, and suitable for processing aluminum, steel, cast iron, ductile iron, and copper, Brass, stainless steel and other materials. One drill bit can be used instead of multiple drill bits. Holes of different diameters...
Step Drill Bit for Metal Cutting D20.0
Step drills can combine drilling and enlarging holes into one processing. It simplifies processing procedures, improves processing efficiency, and increases output. Step drill is a special drill or cutting tool used to drill holes in metal. It differs from standard drills in that it has a conical or triangular shape....
Step drill bit for metal D14.3
Step drills can combine drilling and enlarging holes into one processing. It simplifies processing procedures, improves processing efficiency, and increases output. Step drill bit is used to make holes in thin plates. The advantage is that one drill bit can drill holes of different diameters. One step is one diameter;...
In mechanical processing, there is a hole in which a hole is referred to as a blind hole, wherein the hole diameter is not referred to as a straight hole, and a hole composed of several inner cylindrical surfaces having a plurality of pores is referred to as a step hole, that's where the step drill used for. Step...
Tungsten Carbide Tipped Drill Bits
Carbide step drill, the difference between carbide step drills and ordinary drills is that he has a step, which not only drilling, but also enlarging the hole. One single drill, don't need to replace the drill bit, can complete more complex machining needs. ROYI CNC Tool is extremely experienced in carbide step drill,...
Step Drill Bits for Stainless Steel
Step drills who made of solid carbide can combine drilling and enlarging holes into one processing. It simplifies processing procedures, improves processing efficiency, and increases output. Tungsten steel step drill can quickly realize drilling + chamfering at one time, especially suitable for drilling and chamfering...
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