COBALT STRAIGHT DRILL Ⅰ TYPE COSD 5.9
Ship pack of
Point Angle (Degree)
Cobalt HSS (high speed steel) HSSCo
Blade Diameter D (phi mm)
Thinning Shape of Drills
Overall Length L (mm)
Flute Length l (mm)
Geometry of Drill Flank
Structural steel, carbon steel, alloy steel, Harden steel, die steel, stainless steel, cast iron, aluminum alloy, non-ferrous metals
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1 Customer Reviews
The reviews are automatic translation.
On 2014-06-07 09:42:19
The tip is good, but if it is slow, it will be pulled when it penetrates. If the iron plate is thin, the iron plate will stretch. Because it is cheap, I think that it is better to purchase than to polish.
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