Steel Square Hole Chisel Drill Set Mortising Drill WoodWorking DIY Wood Hole Opening Drilling Tool Kit for Construction Installation

• HIGH QUALITY STEEL MATERIAL: This saw drill bit is made of special steel, heat treatment, HRC48-50, offers high hardness, lengthened and high concentricity
• DOUBLE EFFECT: 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
• SPEED UP THE SPEED & REDUCE COSTS: This square hole drill bit sets can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries
• APPLICATION: Great for drilling square holes in wood with a mortising machine or a mortising attachment Square hole drill is mainly used for woodworking aspects; Professional drill bit, suitable for construction, installation, renovation, decoration industry, etc
• PACKAGE: 6 pieces a pack with different slot diameter to meet your needs. 1/4inch (6.35mm), 5/16inch (8mm), 3/8inch (9.5mm), 1/2inch (12.7mm), 9/16inch (14mm), 5/8inch (16mm)

Features: 1. This saw drill bit is made of special steel, heat treatment, HRC48-50, offers high hardness, lengthened and high concentricity 2. 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 3. Professional drill bit, suitable for construction, installation, renovation, decoration industry, etc 4. Great accessory for mortising, chisel, and woodworking 5. This mortising chisel set is a must have for home woodworker DIY woodworking Specifications: Condition: Brand New and High Quality Material: Steel Hardness: HRC 48-50 Color: Silver Quantity: 6Pcs Support Diameter: Approx. 19 mm/ 0.7 inch Corebit Length: Approx. 200 mm/ 7.8 inch Mode: 001; Slot Diameter: 1/4inch (6.35mm); Weight: 150g Mode: 002; Slot Diameter: 5/16inch (8mm); Weight: 161g Mode: 003; Slot Diameter: 3/8inch (9.5mm); Weight: 177g Mode: 004; Slot Diameter: 1/2inch (12.7mm); Weight: 206g Mode: 005; Slot Diameter: 9/16inch (14mm); Weight: 251g Mode: 006; Slot Diameter: 5/8inch (16mm); Weight: 310g Weight: Approx. 1215g Package Included: 6 x Saw Drills