findmall 6Pcs Square Hole Mortise Chisel Drill Bit Tools 1/4" 5/16" 3/8" 1/2" 9/16" 5/8"

<p>Description:</p> <p>Compatibility - Suitable for woodworking aspects.</p> <p>Wide Application - Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc.</p> <p>Specifications:</p> <p>Material: HSS ;Hardness: HRC 48~50.</p> <p>Clamping shank diameter: 19mm (Round).</p> <p>Slotting flute diameter: 1/4 inches (6.4 mm), 5/16 inches (8 mm), 3/8 inches (9.5 mm), 1/2 inches (12.7 mm), 9/16 inches (14 mm), 5/8 Inch (16mm).</p> <p>Package Included:</p> <p>1 X 1/4 Inch (6.4mm) Drill Bit</p> <p>1 X 5/16 Inch (8.0mm) Drill Bit</p> <p>1 X 3/8 Inch (9.5mm) Drill Bit</p> <p>1 X 1/2 Inch (12.7mm) Drill Bit</p> <p>1 X 9/16 Inch (14mm) Drill Bit</p> <p>1 X 5/8 Inch (16mm) Drill Bit</p> <p>Note:</p> <p>Square hole drill can not use electric drill, drill square hole need to cooperate with square hole drill (mortise and tenon) use.</p>

• This saw drill bit is made of special steel, heat treatment, HRC48-50, offers high hardness, lengthened core, and high concentricity.
• Professional drill bit, suitable for construction, installation, renovation, decoration industry, etc. 
• 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.
• 6 pieces a pack with different slot diameter to meet your needs.
• Great accessory for mortising, chisel, and woodworking.