Drillpro 4pcs Square Hole Drill Bits Woodworking Auger Mortising Chisel Set Kit 1/4 to 1/2 Inch Tool Set

Features 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 Standard Chip Flute Design Easy to exclude side sawdust improvedrilling efficiency High Sharpness Blades Reduce labor intensity and speed upconstruction speed Versatile Uses Great for drilling square holes in wood with mortise and tenon machine Specification Material High speed steelHardness HRC 48 50Clamping shank diameter 19mm Round Length 210mmSize 1 4inch 6 35mm 5 16inch 7 94mm 3 8inch 9 5mm 1 2inch 12 7mm Color SilverGreat for Drilling square holes in wood with mortise and tenon machineProduce Included 1 Pc x 1 4inch 6 35mm square hole drill bit1 Pc x 5 16inch 7 94mm square hole drill bit1 Pc x 3 8inch 9 5mm square hole drill bit1 Pc x 1 2inch 12 7mm square hole drill bitMore Detail

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Drillpro