I purchased for 48 holes in mild steel 2.3t material, the temperature had dipped the oil so that it does not rise, where the 30 drilled, super steel is no longer possible drilling off. I think that life is too short. It does not break even in about opened dozens hole made in China.
The price has purchased I think that long-lasting because it is enhanced, a stainless steel plate (3mm thick)
Four open When the tooth to have flew. Although you might arm is wrong!
Although we continued to work to buy other manufacturers goods immediately, there was opened eight, but it was okay.
But is not yet using it, we use a similar size. There is no particular trouble, but it is a price is high for the problem. At first we used the punch press, but I have bent aluminum panel past the end. Again, Holsoe was re-recognized as a thing necessary.
Metal used to make a hole under the tap to the (aluminum plate)
On 2015-03-23 22:06:16
Electric drill driver with an aluminum plate has a repeat drilling in (3mm thick), but smoothly, I am satisfied me clean open. I think that it is reasonably durability because it does not have happened, such as the moment blade missing.
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