HSS Mortising Chisel Set, Ankoow 4Pcs Woodworking Square Drill Bits Wood Hole Saw with Twist Drill (1/4-Inch, 5/16-Inch, 3/8-Inch, 1/2-Inch)
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<b>[Product Information]</b><br>
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<li>❣. Made of high-speed steel. Heat treatment, HRC48~50, high hardness, lengthened core, high concentricity.</li>
<li>❣. Great for drilling square holes in wood with a mortising machine or a mortising attachment.</li>
<li>❣. Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects.</li>
<li>❣. It will get double effect by matched use with mortise and tenon machine.The square hole punching needs to use electric drill, hammer & other tools.</li>
<li>❣. Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.</li>
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