Description
4pcs Square Hole Drill Bits Woodworking Auger Mortising Chisel Set Kit 1/4 to 1/2 Inch Tool Set
Features:Â
– [High-speed Steel Construction]: Made of heat-treated high speed steel with HRC48-50 high hardness, strong and durable. Clamping shank diameter: 19mm (Round), Radial drill sleet reduced resistance.Â
– [Standard Chip Flute Design]: Easy to exclude side sawdust, improvedrilling efficiency.Â
– [High Sharpness Blades]: Reduce labor intensity and speed upconstruction speed.Â
– [Versatile Uses]: Great for drilling square holes in wood with mortise and tenon machine.Â
Specification:Â
Material: High speed steel.Â
Hardness: HRC 48-50.Â
Clamping shank diameter: 19mm (Round).Â
Length: 210mm.Â
Size: 1/4inch (6.35mm), 5/16inch (7.94mm), 3/8inch (9.5mm), 1/2inch (12.7mm).Â
Color: Silver.Â
Great for: Drilling square holes in wood with mortise and tenon machine.Â
Produce Included:Â
1 Pc x 1/4inch (6.35mm) square hole drill bit.Â
1 Pc x 5/16inch (7.94mm) square hole drill bit.Â
1 Pc x 3/8inch (9.5mm) square hole drill bit.Â
1 Pc x 1/2inch (12.7mm) square hole drill bit