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Cobalt straight drill

4.12 (8)
Helix Angle (Degree)
33
Thinning Shape of Drills
C-type thinning
Blade Diameter (phi mm)
3.4
Point Angle (Degree)
135
Flute Length (mm)
45
Tolerance
h8
Overall Length (mm)
73
Material
Cobalt high speed steel HSSCo8
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Ship pack of Mfr.# Item.# Sales Price Availability Qty.
Package
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Ship pack of Mfr.# Item.# Sales Price Availability Qty.
1PC 1 HSS-Co8 3.4 08731597 -
Discontinued
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Customer Reviews
5 star 5
4 star 0
3 star 2
2 star 1
1 star 0
Review Rating: 4.12
8 Customer Reviews
The reviews are automatic translation.
For special size for punching of blind nutter
5
From Japan
On 2013-07-22 19:34:44
It seems like disposal price, very cheap purchase and very satisfied
This review is about item#08731581.
Used for drilling stainless steel.
5
From Japan
On 2013-05-20 14:24:31
Since it is a consumable item, it is a bit cheaper than a home center, so we order it collectively, so there is delivery and it is saved. Because it is a consumable item, please set PB product if possible.
This review is about item#08731615.
Used for drilling stainless steel
5
From Japan
On 2013-05-20 14:23:22
Since it is a consumable item, it is a bit cheaper than a home center, so we order it collectively, so there is delivery and it is saved. Because it is a consumable item, please set PB product if possible.
This review is about item#08731563.
Iron drilling
3
From Japan
On 2013-01-10 12:10:06
Gouging is good, but fragile. When used several times it broke or was missing and it became useless.
This review is about item#08731615.
Drilling of stainless steel products for kitchen etc
5
From Japan
On 2012-06-11 15:32:07
Originally, I thought that if I could use several holes with a punching hole instead of a center punch ... I thought that it was very good at sharpness and sharpness. It is a product you want to use continually unless there is product shake by purchase from the next time.
This review is about item#08731606.
Used for processing 0.4 mm thick stainless steel plate.
2
From Japan
On 2012-05-30 11:48:29
I consume 3 pieces to machine 24 places. In electric drilling work, it is 2.5 mm and small diameter, but it requires considerable thrust and accidental folding is the cause of consumption. However, this is satisfying this time because it is necessary for usual drill about 3 times. What we can think about in terms of improvement is to purchase shapes that are short in length, too.
This review is about item#08731563.
Drilling of metal (mainly iron)
5
From Japan
On 2011-05-05 16:34:51
The sharpness was good. Since the number of times of use is small, durability is unknown.
This review is about item#08731642.
Drilling
3
From Japan
On 2011-01-27 18:25:15
Normal
This review is about item#08731642.

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