Customer Reviews of Serra mini hole saw deep hole for the set
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Showing 1 - 1 of 1 Reviews
On 2017-07-17 20:38:53
Sinto's mini-hole saw, I'm counting on you to love the standard type without coating for many years, The standard type corresponds to thickness of 2 mm, and if the material is thicker than that, the discharge of the facets will not go well, I bought this deep hole type. The deep hole type is provided with grooves that allow the clipper to escape upward on the outer circumference, and the protrusion of the cutting edge is also long. (Along with this, the centering pin of the center is also replaced by a few millimeters long). Therefore, the strength of the cutting edge has decreased, and 6 mm and 8 mm are large at the first day of use and it is said that the blade is spilling out The blade lacked as it broke from the root. As the standard type has endured hard use for years, this is a serious depression .... Especially the one of 8 mm is stupidly self-destructed as it broke like a glass at the moment when it penetrated normally. Avoid using the deep hole type with a hand-held drill, use a solid drilling machine, If you do not work after completely fixing the work to be drilled so as not to shake, Death and death seems to be gone forever. It is troublesome with a tool which breaks easily also. The sharpness is the most vivid. Next time I think whether to make titanium coated type not for deep hole.
This review is about item#18583048.
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