7Pcs Square Hole Drill Bit, HSS Square Hole Saw Mortise Chisel Drill Bit Tools 6/25, 1/4, 5/16, 3/8, 2/5, 1/2, 9/16 Inch for Mortising Machines Drill

<p><br>Compatibility - Suitable for woodworking aspects.<br><br><br><br></p> <p>Wide Application - Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc.<br><br><br><br></p> <p>Specifications:<br><br><br><br></p> <p>Material: HSS ;Hardness: HRC 48~50.<br><br><br><br></p> <p>Slotting flute diameter: 6/25 inches (6 mm), 1/4 inches (6.4 mm), 5/16 inches (8 mm), 3/8 inches (9.5 mm), 2/5 inches (10 mm), 1/2 inches (12.7 mm), 9/16 inches (14 mm).<br><br><br><br></p> <p>Package Included:<br><br><br><br></p> <p>1 X 6/25 Inch (6.0mm) Drill Bit<br><br><br><br></p> <p>1 X 1/4 Inch (6.4mm) Drill Bit<br><br><br><br></p> <p>1 X 5/16 Inch (8.0mm) Drill Bit<br><br><br><br></p> <p>1 X 3/8 Inch (9.5mm) Drill Bit<br><br><br><br></p> <p>1 X 2/5 Inch (10mm) Drill Bit<br><br><br><br></p> <p>1 X 1/2 Inch (12.7mm) Drill Bit<br><br><br><br></p> <p>1 X 9/16 Inch (14mm) Drill Bit<br><br><br><br></p> <p>Notice:<br><br><br><br></p> <p>Square hole drill needs to cooperate with square hole drill machine (mortise and tenon) use and can not use with hand-operated electric drill<br><br><br><br></p> <p>Using steps:<br><br><br><br></p> <p>1. Drag the core and shell into the equipment fixture and drag.<br><br><br><br></p> <p>2. Take a 0.5 - 1 mm thick sheet (metal sheet or hard plastic sheet) stuck at the step of the drill shell.<br><br><br><br></p> <p>3. After fixing the drill core, dismantle the slice, and then adjust the angle of the drill shell and press it upward and clamp it (the purpose is to form a 0.5 - 1 mm gap between the head of the drill core and the inner angle of the drill shell to avoid the bit stuck dead).</p>

• Product Size: Shank type - round handle, 6/25 inches (6 mm), 1/4 inches (6.4 mm), 5/16 inches (8 mm), 3/8 inches (9.5 mm), 2/5 inches (10 mm), 1/2 inches (12.7 mm), 9/16 inches (14 mm).
• Product Material: Square hole drill bits are made of high-speed steel, Heat treatment, Drill bit has a high hardness, which is not easy to break and break.
• Advantage: These woodworking inlay chisels can reduce the labor intensity of construction workers, speed up construction, and reduce construction costs in the construction, installation, renovation, and decoration industries.
• Wide Application: Mortise drill bits are suitable for mortising machine or mortising accessories, which can greatly improve the working efficiency of carpenter.
• Package Includes: 7PCS Wood Square Hole Drill Bits.