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  • The pack twist drill for ironworkers

The pack twist drill for ironworkers SDXJP 12.4

4.75 (16)
SDXJP 12.4
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Item Feature
Helix Angle
HSS (high speed steel) HSS
Standard Product
JIS standard products
Flute Length l (mm)
Point Angle (Degree)
for machining of Mild steel, cast iron, aluminum, copper, plastic and lumber
Overall Length L (mm)
Blade Diameter D (phi mm)
Customer Reviews
5 star 13
4 star 2
3 star 1
2 star 0
1 star 0
Review Rating: 4.75
16 Customer Reviews
The reviews are automatic translation.
For woodworking drilling
From Japan
On 2019-05-19 14:43:10
I do the blood point processing by myself and use it for wood drilling. I have been using it for a long time, and I have no particular complaints.
This review is about item#3377832.
Parts processing
From Japan
On 2019-02-08 19:45:21
We use for drilling of parts becoming product. Truly domestic products, crisp and long-lasting.
This review is about item#3377771.
Metal drilling work
From Japan
On 2019-02-05 19:51:56
Purchased under the NACHI brand, it was easy to bite and the center punch got enough accuracy. Indeed, NACHI!
This review is about item#3377787.
At the time of metal processing
From Japan
On 2019-01-29 17:47:31
There is no problem as it is a major product. I think that I will buy in the future.
This review is about item#3377823.
From Japan
On 2018-11-11 21:31:04
I bought it for drilling work. Traditionally, I bought 10 sets of narrow drills, but this time I purchased two sets. If you use a thin drill with proper polishing, it can be used over a long period of time, so I think that we will introduce a few packs from the viewpoint of tool management.
This review is about item#3377717.
Wood perforation
From Japan
On 2018-10-08 17:41:13
I decided the drill as NACHI. The center also firmly comes out, finishing is beautiful especially with wood processing, it takes no extra labor
This review is about item#3378006.
Part installation
From Japan
On 2018-10-03 17:49:59
Since it breaks well, work efficiency increases and tiredness is also different, so it will be saved
This review is about item#3377805.
Metal Processing
From Japan
On 2018-08-14 22:36:36
The drill sold for Hundredsan is just an appearance, it is easy to break, but as expected it is Mr. NACHI. It will not break even if it is diagonally twisted during drilling.
This review is about item#5762416.
Drilling of metal
From Japan
On 2018-08-07 16:28:55
It is selling everywhere, so I will not buy this alone here, but if you buy something next time it's not bad.
This review is about item#3377665.
For tap pilot work
From Japan
On 2018-07-11 15:48:35
It seems like it will be able to cut hands well. When used in replacement from a drill in use There are times when you push the electric drill to the end because it breaks well
This review is about item#3377805.