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  • STRAIGHT SHANK COBALT DRILLS

STRAIGHT SHANK COBALT DRILLS HSS-Co8 3.4

by YG-1
3.88 (16)
Item.#
07247825
Mfr.#
HSS-Co8 3.4
Package Qty.
1Box(10PC)
Ship pack of
1
-
[x]
Discontinued
Now we ship to...
...see all
Item Feature
Helix Angle (Degree)
33
Tolerance
h8
Flute Length (mm)
45
Material
Cobalt HSS (high speed steel) HSSCo8
Point Angle (Degree)
135
Blade Diameter (phi mm)
3.4
Overall Length (mm)
73
Thinning Shape of Drills
C-type thinning
Customer Reviews
5 star 6
4 star 4
3 star 5
2 star 0
1 star 1
Review Rating: 3.88
16 Customer Reviews
The reviews are automatic translation.
Boring
5
From Japan
On 2017-02-16 09:57:23
Price will be saved cheaply very much. Also is a product that you want to ask the future.
This review is about item#7247651.
Drilling of screwing place
3
From Japan
On 2015-07-21 10:02:52
Several pieces are broken for screw holes. I tried using this though it is for metal this time. Although I opened more than 100 pilot holes, it used to break one or two drills before, but as expected it never broke. I felt that it is a consumable item but it can be used
This review is about item#07247791.
Drilling of cylinder
4
From Japan
On 2013-08-30 13:10:48
It is much cheaper than the one I normally use, so I tried it with a trial degree, but it can be quite usable. I think that it is good for cost performance.
This review is about item#07247703.
Drilling with MC
3
From Japan
On 2013-07-15 19:22:26
I purchased it because the blade length is longer than Nazi's cobalt drill but it is like this if compared with the price
This review is about item#07247712.
Drilling of iron works
5
From Japan
On 2013-03-07 21:10:50
It is used for drilling holes of M4 tap. Excellent sharpness It is very useful. The difficulty is that twisting is different from Japanese products to sharpen the drill, so it takes time and effort to reuse it.
This review is about item#07247651.
Drilling by drilling machine
4
From Japan
On 2012-02-06 21:39:37
Seizure is less and it cuts appropriately. Drill in general (Φ1.0 to Φ13.0) 0.1 Fly + 0.01 + 0.02 I want a drill of +0.01 + 0.02 (real -0.01 + 0.00) of plating allowance display size. Drilling with a drilling machine Example Φ 3.0 → Φ 3.01 Φ 3.02 Φ 3.4 → Φ 3.41 Φ 3.42
This review is about item#07247685.
Drilling of stainless steel plate etc.
1
From Japan
On 2011-11-13 12:55:35
All 10 drills can not be cut at all
This review is about item#07247651.
For processing of unit bus walls
5
From Japan
On 2011-11-11 21:16:10
I was worried because it was a Korean manufacturer, but I feel that I used it because the core does not shake well and it breaks well and it does not break easily. Depending on the lot, there is some variation in sharpness, but it is divisible within the error level. Considering the price, we judge it better than the domestic manufacturer.
This review is about item#07247642.
Drilling of steel materials such as stainless steel
5
From Japan
On 2011-10-30 17:36:02
It cuts well for price.
This review is about item#07247667.
Drilling of stainless steel material · Rusted steel plate drilling etc.
5
From Japan
On 2011-08-25 15:10:56
I think that it is really profitable if you can buy it at this price.
This review is about item#07247947.