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The blade edges are extremely sharp (be careful) and the bit is well lubricated.
This is a life saver when it comes to making handles for wood lathe tools.
For those of you unfamiliar with mortising chisels, these will drill a square hole for you. Take your time and be sure to keep things well lubricated.
The shaft space is milled perfectly with no play whatsoever. That means you will get a great hold alignment that is straight and clean
Use matters:
Square hole drill is mainly used for woodworking aspects. Various existing bits, can only process a circular hole,
square hole can not be processed, to machining square hole, must drill the hole or cutting machine processed crude hole, then chisel made from artificial hand.
The utility model in the hole drilled by the rotary body, while the impact of the use of hammer impact force transmitted to the outer body,
the material crushing round hole and square head wall, a one-time processing of a square hole, and the dust can be broken slag discharged from the tube.
Package nclude:
1 x 3/4inch(19mm)
1 x 5/8-Inch(16mm)
1 x 9/16-Inch(14mm)
