10pcs Four Slot Four Blade Wood Working Auger Drill Bit 10mm-32mm Hex Shank Bore Hole Twist Drill Bit

Description:10pcs Four Slot Four Blade Woodworking Auger Drill Bit 10mm-32mm Hex Shank Bore Hole Twist Drill BitSpecification:Material: Tungsten CarbideUse: Wood Drilling or Bubble Chamber DrillingHex Shank Size: 6.35mm (1/4) (10mm,12mm,14mm,16mm,18mm, 20mm, 25mm)Hex shank size: 3/8 hex shank (28mm, 30mm and 32mm)Total Length: 165mmDrill Size: 10mm,12mm,14mm,16mm,18mm, 20mm, 25mm, 28mm, 30mm, 32mmQuantity: 10pcsFeatures:Positioning the drill bit, drilling more accurate.Suitable for general hand drill, impact drill, bench drill.Threaded design, high hardness, cutting fast, smooth wall after drilling.Special Note: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!Package Included:10 x Twist Drill BitMore Details: