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10-20mm Woodworking Auger Drill Bit Four Slot Four Blade 6.35mm Hex Shank Bore Hole Twist Drill Bit
Woodworking Auger Drill Bit Four Slot Four Blade Hex Shank Bore Hole Twist Drill Bit
Use:Wood Drilling or Bubble Chamber Drilling
Hex Shank Size: 6.35mm (1/4")
This new drill for tapping speed should not be too fast, please refer to the following tables,
speed too fast causing screw heads sticking, drilling into the declined return!
Please be noted this product is sold separately,you can choose the size you need.
1pcx Twist Drill bit
Size 10mm, Size 12mm (+US$0.50), Size 14mm (+US$0.50), Size 20mm (+US$2.00)