FOR MORTISER ONLY. These square hole drill bits are exclusively for dedicated mortising machine. They are NOT compatible with any hand drill. Neither with drill press. If you want to use them with a drill press you must have a mortising adapter (not included) to attach them to the drill press.
4PCS SQUARE HOLE DRILL BITS FOR MORTISING. This is a set of 4pcs square hole drill bits of 1/4inch, 5/16inch, 3/8inch, and 1/2 inch (respectively 6.4mm, 8.0mm, 9.5mm, 12.7mm). Handy for mortising on a number of wood projects.
EFFICIENT MORTISE AND TENON TOOLS. You may expect high efficiency from this mortise chisel set. They are made of high-speed steel which is known for its durability. The U-Shape chip chute discharge wood chips much easier.
WOOD CHISEL SET FOR SQUARE HOLE MORTISING. This mortise chisel drill bit set is useful for drilling square holes on wooden materials, such as solid wood, MDF, chipboard, plyboard, etc.. They are NOT applicable to other material other than wood.
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Product description
DRILL BITS FOR MORTISER
These drill bits are ONLY usable with mortising machines.
FOR WOODEN PROJECTS ONLY!
For drilling square holes on wooden materials ONLY.
Such as solid wood, MDF, chipboard, plyboard, etc.. They are NOT applicable to other material other than wood.
4PCS SQUARE HOLE DRILL BITS FOR MORTISING
This is a set of 4pcs square hole drill bits of 1/4inch, 5/16inch, 3/8inch, and 1/2 inch (respectively 6.4mm, 8.0mm, 9.5mm, 12.7mm).