STRAIGHT COBALT DRILLSl I type COSD 1.3
- COSD 1.3
- Package Qty.
- Ship pack of
- The surface of the commodity under blade diameter 2.0 is not colored
- Geometry of Drill Flank
- Helix Angle
- High helix
- Cobalt HSS (high speed steel) HSSCo
- Work Material
- Structural steel, carbon steel, alloy steel, Harden steel, die steel, stainless steel, cast iron, aluminum alloy, non-ferrous metals
- Point Angle (Degree)
- Blade Diameter D (phi mm)
- Thinning Shape of Drills
- X-shaped thinning
- Overall Length L (mm)
- Flute Length l (mm)
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2 Customer Reviews
The reviews are automatic translation.
Drilling in stainless steel screw
On 2016-11-22 18:07:30
I was using those of another manufacturer before you buy this product, but Hawatari is I have easily broken long. I checked on the Internet, because it was recommended the item, when I use, was free is spa spa and the hole without breaking at all.
Pilot hole of the screw
On 2013-05-15 13:35:29
Was used about two after two pack purchase, also be careful to chucking the machine shake out at the time of rotation. Enough to think that if a drill that is warped.
Only Unfortunately there is no problem with the sharpness.
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