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.
Easy to exclude side sawdust, improvedrilling efficiency.
Reduce labor intensity and speed upconstruction speed.
Great for drilling square holes in wood with mortise and tenon machine.
Specification:
Material | High speed steel |
Hardness | HRC 48-50 |
Clamping shank diameter | 19mm (Round) |
Length | 210mm |
Size | 1/4inch (6.35mm), 5/16inch (7.94mm), 3/8inch (9.5mm), 1/2inch (12.7mm) |
Color | Silver |
Great for | Drilling square holes in wood with mortise and tenon machine |
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