6pcs Square Hole Mortise Chisel Drill Bit Tools, 5/8″ 9/16″ 1/2″ 3/8″ 5/16″ 1/4″ HSS Woodworking Hole Saw Mortising Chisel Drill Bit Set, Different Sizes

Features

• Size of this Square Hole Mortise Chisel Drill Bit set: 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm),1/2 Inch (12.7mm), 5/8 Inch (16mm), 9/16 Inch (14mm)
• Material: Heat treatment, HRC48~50 high-speed steel.
• Suitable for all mortise and drill accessories.
• It can be used with mortise and tenon machine to achieve double effect.
• Reduce the labor intensity of construction workers, accelerate the construction speed, reduce the construction cost of construction, installation, decoration, decoration industry.