BB 80mm Length Coated Carbide Drill Machine Metal Hole Making Tool for Steel Stainless Steel(6.6~9.05mm)

BB 80mm Length Carbide Drill

Designed for Deep Hole Machining, Powerful Cutting Performance, Durable and Unbending

BB2055 Series:
TiSiN coating, for mild steel
HRC＜40
Angle:120°

TISIN Nano Coating

The blade adopts nano coating,Good wear resistance, stable performance, heat resistance, oxidation resistance, and no chemical reaction with workpiece materials

Spiral Groove Design

Spiral chip removal groove design, easy chip removal, not easy to stick the Cutter, to achieve high efficiency processing, higher precision and luster of the workpiece

Micro Grain Cemented Carbide

Hard steel, using micro particle tungsten steel base material, with higher wear resistance and strength, is the exclusive drill for high hardness and high speed cutting applications

Chamfer is Easy to Operate

The handle chamfering layout makes it easier to clamp. The chamfering is smooth and bright, round and solid, beautiful and applicable

Product Features

Tungsten steel makes the drill hardness higher, and at the same time it will be more crisp and easy to break. Therefore, tungsten steel drill can no longer be used by hand electric drill, and a stable processing environment should be provided.
-Please pay attention to cooling.

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