Customer Reviews of The pack twist drill for stainless steel
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Showing 1 - 1 of 1 Reviews which have 1 star [ See all 5 customer reviews ]
S45c square hole piercing
On 2014-01-23 12:06:05
Because the diameter is small, when I drilled with desktop milling machine keeping the rotation at 1000 rpn, the place near the edge of the blade rather than the cutting edge brilliantly broke and broke. Even though I did not move fast. It was at least a salvation that the cutting edge did not remain because the hole was not so much open. This manufacturer believes that COSPA is good and uses various sizes, but was it a third-tier manufacturer to crush using it for the first time? I guess it is useless unless it is a top manufacturer.
This review is about item#05800803.
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