findmall 6X Square Hole Mortising Drilling Woodworking Saw Mortise Chisel Drill Bit Tool

Specifications: Clamping shank diameter: 19mm (Round).Quantity:6pcs Square Hole Mortise Chisel Drill Bit Set 1/4" 5/16" 3/8" 1/2" 9/16" 5/8"Condition: 100% Brand New and High QualityMaterial: SteelHardness: HRC 48-50Color: SilverQuantity: 6PcsSupport Diameter: Approx. 19mm / 0.7inchCorebit Length: Approx. 200mm / 7.8inch 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) Description: Compatibility - Suitable for woodworking aspects. Wide Application - Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc. Reduce the labor intensity of construction workers, accelerate the construction speed, reduce the construction cost of construction, installation, decoration, decoration industry.