Bi Metal M42 HSS Hole Drill Bit For Aluminum Iron Pipe 160mm 160MM

Specifications:
Material: M42 high speed steel
Diameter: 160mm
Diameter of thread: 15mm
Shank Diameter: 10mm
diameter: 6 mm
Trepanning hole depth：2-25mm
Good for: aluminum, steel, casting materials, wood, plastic materials, gypsum board, stainless steel, etc.

Features:
1, Hole before in use, be sure to grasp reasonable, choice, control, tachometer and continuously added to the cooling , in order to prevent edge cracking, such as high-speed drill used in the operation should control switch, so opening and closing to minimize its speed, widely used in conjunction with various types of drill hole drilling on the bench.
2, Opening iron than 5mm, the first open about 1mm deep, and then locate the drill along kerf through a hole drilled through it easier to discharge iron filings.

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