Square Chisel The force point of the drill bit sleeve is on a plane, which effectively protects and avoids dangerous situations such as bursting.
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Durable Drill Bit Made of metal, through heat processing, with high hardness and long service life.
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U-shape Groove Designed to facilitate the discharge of wood chips to improve drilling efficiency.
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Round Shank Universal shank type, the drill tail adopts a circular design, which makes the clamping more stable, suitable for drilling square holes in wood with a mortising machine or a mortising attachment.
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