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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 8.4

3.80 (5)
COSP 8.4
Package Qty.
Ship pack of
23.43 SGD
Shipped after 2016-10-31
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Item Feature
Point Angle (Degree)
Overall Length L (mm)
Blade Diameter D (phi mm)
Helix Angle
Strength twist
Flute Length l (mm)
Thinning Shape of Drills
X-shaped thinning
Cobalt HSS (high speed steel) HSSCo
Customer Reviews
5 star 3
4 star 0
3 star 1
2 star 0
1 star 1
Review Rating: 3.80
5 Customer Reviews
The reviews are automatic translation.
Hole drilling of stainless
From Japan
On 2016-08-15 02:59:32
Straightness at best may last longer than the drill of high-speed steel
This review is about item#05803147.
Drilling to stainless
From Japan
On 2015-10-20 15:44:32
Kobelco of the drill that was favored 10 years is no longer cut, I bought here review was good. But sharpness is doubtful from around to open the three-hole, fourth hole, the 5 hole eyes I have become almost equivalent cut name as the 10-year use Kobelco. Do it because foreign-made (made in Singapore)? It is the worst. I will no longer buy.
This review is about item#05803113.
From Japan
On 2014-05-26 13:10:35
Although we used to make a hole in fairly robust metal (material unknown), cut as I thought is was bad. I wonder if one is I have the bad ... the skill of the problem to can not be easily opened
This review is about item#05803113.
Steel (stainless steel)
From Japan
On 2013-01-04 18:11:56
We are using excellent condition to. Five sets in all sizes also we would like to sell.
This review is about item#05803113.
Under the drilling of the reamer
From Japan
On 2012-12-12 22:17:15
Are you satisfied with the processing or the like of the difficult-to-cut materials. It was processing Koguya's recommendation There is also flame-cut material with a trade (HRC ≒ 25 steel) in a Mitsubishi Materials Co., cobalt drill but was in trouble much if there is no match it. Problem by using this drill was also smoothly can be processed without. Since the blade length is long short shank than third-party drill feels like stiffness there. Some people may even be evaluated as fragile, but in the place where I used to think that there is no problem.
This review is about item#05803192.