7PCS Square Hole Mortising Drill Bits Woodworking Square Hole Saw Bit Set 1 4 5 16 3 8 7 16 1 2 9 16 5 8 Inch

Feature: 1. [Alloy Steel Construction] Crafted from 56HRC high hardness alloy steel with heated edges, these square hole drill bits maintain sharpness and durability when drilling hardwood, medium density fiberboard, particleboard, and other dense materials 2. [Efficient Chip Removal Design] The U shaped groove channels on these woodworking drill bits facilitate rapid debris clearance, minimizing friction during work to ensure smoother drilling and prolonged tool lifespan for demanding applications 3. [Power Tool Attachment] Specifically engineered for mortising machines or drill presses with mortise attachments, this square hole drill bit set creates clean, accurate square holes without splintering, suitable for furniture joints and cabinetry 4. [Versatile Sizes] Offers 7 different square hole drill bits in various sizes, including 1 4 inch (6.4mm), 5 16 inch (8mm), 3 8 inch (9.5mm), 7 16 inch (11mm), 1 2 inch (12.7mm), 9 16 inch (14mm), and 5 8 inch (16mm), catering to your diverse drilling needs 5. [Included Accessories] This kit comes with 7 square hole drill bits, 7 buffer pads and 7 storage boxes, providing convenience for your drilling projects, protecting the drill bits and making it easy to carry to any workplace Specification: Item Type: Square Hole Bit Set Product Material: Alloy Steel Specification: 1 4 Inch: Square Hole Size: Approx. 6.4mm 0.25in, Shank Diameter: Approx. 4mm 0.16in, Slotting Depth: Approx. 45mm 1.8in, Total Length: Approx. 175mm 6.9in 5 16 Inch: Square Hole Size: Approx. 8mm 0.31in, Shank Diameter: Approx. 5.5mm 0.22in, Slotting Depth: Approx. 45mm 1.8in, Total Length: Approx. 195mm 7.7in 3 8 Inch: Square Hole Size: Approx. 9.5mm 0.37in, Shank Diameter: Approx. 6.5mm 0.26in, Slotting Depth: Approx. 60mm 2.4in, Total Length: Approx. 195mm 7.7in 7 16 Inch: Square Hole Size: Approx. 11mm 0.43in, Shank Diameter: Approx. 8mm 0.31in, Slotting Depth: Approx. 60mm 2.4in, Total Length: Approx. 195mm 7.7in 1 2 Inch: Square Hole Size: Approx. 12.7mm 0.5in, Shank Diameter: Approx. 10mm 0.39in, Slotting Depth: Approx. 60mm 2.4in, Total Length: Approx. 195mm 7.7in 9 16 Inch: Square Hole Size: Approx. 14mm 0.55in, Shank Diameter: Approx. 10mm 0.39in, Slotting Depth: Approx. 75mm 3in, Total Length: Approx. 220mm 8.7in 5 8 Inch: Square Hole Size: Approx. 16mm 0.63in, Shank Diameter: Approx. 12mm 0.47in, Slotting Depth: Approx. 75mm 3in, Total Length: Approx. 220mm 8.7in. Package List: 7 x Square Hole Drill Bits 7 x Storage Boxes 7 x Buffer Pads