CSLU-Tool Woodworker Square Hole Drill Bits Mortising Chisel Set, Mortise Chisel & Bit Set (1/4-Inch, 5/16-Inch, 3/8-Inch, 9/16-Inch, 5/8-Inch and 1/2-Inch)
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CSLU-Tool Woodworker Square Hole Drill Bits Mortising Chisel Set, Mortise Chisel & Bit Set (1/4-Inch, 5/16-Inch, 3/8-Inch, 9/16-Inch, 5/8-Inch and 1/2-Inch)
Fits more mortising machines and drill press attachments
1/4-Inch, 5/16-Inch, 3/8-Inch, 9/16-Inch, 5/8-Inch and 1/2-Inch sizes
Made of the highest quality tool steel
High performance flute design geometry for superior chip extraction
Hardness: HRC 48~50
Features:
Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc. Special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity. 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. This quality set also comes with a convenient plastic storage case.