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  • The pack twist drill for stainless steel
  • The pack twist drill for stainless steel
  • The pack twist drill for stainless steel

The pack twist drill for stainless steel COSP 1.9

3.00 (5)
COSP 1.9
Package Qty.
Ship pack of
5.36 SGD
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Item Feature
Hard steel Cast iron Stainless steel
Point Angle (Degree)
Thinning Shape of Drills
X type thinning
Blade Diameter D (phi mm)
Cobalt high-speed steel HSSCo
Helix Angle
Torsion strength
Flute Length l (mm)
Overall Length L (mm)
Customer Reviews
5 star 0
4 star 2
3 star 2
2 star 0
1 star 1
Review Rating: 3.00
5 Customer Reviews
The reviews are automatic translation.
Drilling of stainless steel flat bar
From Japan
On 2015-06-16 15:30:41
Small-diameter drilling as stainless steel writing of other people is difficult. Will precision, cutting oil, the number of revolutions of the drilling machine to be used has been greatly affected. Once you understand this is a convincing product. And love.
This review is about item#05800742.
Drilled under hole in the S45c angle bar
From Japan
On 2014-01-23 12:06:05
Since the diameter is small After drilling to keep the rotation in a tabletop milling machine to 1000rpn, beautifully broken is a place close to the blade source rather than a cutting edge, it broke. It will be not how to proceed was faster. Since the hole was not open so, the cutting edge was left was the salvation of even at the very least. The manufacturers believe that is good COSPA, has been using a variety of size, or would do was a third-rate manufacturers and crumble with the first time. I guess useless and thin the is not a first-class manufacturer.
This review is about item#05800803.
For drilling for the theory adhesive to the nut
From Japan
On 2013-02-20 17:48:26
Purchase plans as necessary for general drill
This review is about item#05800742.
Work to expand the penetration pierced the hole
From Japan
On 2012-07-21 01:16:56
1mm I used is of course is so thin, but I have broken as soon as the sharpness of the tip becomes poor.
This review is about item#05800742.
Drilling in stainless steel pipe (wall thickness of 1mm)
From Japan
On 2012-07-16 13:37:26
When the drilling about five places cutting edge is worn, sharpness is dull. I think that it corresponds to the price, but break it without, and it is a considerable number of drilling and re-sharpening, I was able to reach the objective.
This review is about item#05800742.