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 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 |
Produce Included:
| 1 Pc x | 1/4inch (6.35mm) square hole drill bit |
| 1 Pc x | 5/16inch (7.94mm) square hole drill bit |
| 1 Pc x | 3/8inch (9.5mm) square hole drill bit |
| 1 Pc x | 1/2inch (12.7mm) square hole drill bit |
More Detail:
Additional information
| Weight | 0.705 kg |
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