15-100mm Bit Woodworking Drill Bit Set Boring Hole Saw Cutter Carbide Tip Hex Round Shank Drill Bit D30,10Pcs 15,65mm

length:80Use:Wood DrillingMaterial:CarbideDIY Supplies:WoodworkingType:Core Drill BitFeatures：1. Bit drill clean holes in soft and hard wood.2. Two spurs and centering point to give the perfect solution to repeated, clean and accurate hole cutting time after time.3. The center spur accurately locates the center of your hole.4. Use to drill precise flat bottom holes with no chipping in any thickness of soft wood.5. For drilling holes in any direction and making arched openings. For drilling partially overlapped flat bottom holes for easy mortising.6. Should be use with power drilling machine, here is not included.Please Note:1.When drilling holes,drill bit is made only in the clockwise direction, not reversible, and the speeds from low to high is a gradual process.2.Please grind the tool nose and tips to avoid ageing and damage when breaking; or it will cause a steep decrease in accuracy and quality for drilling holes after tips break.Specification:Material:Tungsten Tip(HRC.70) & Carbon Steel BodyPackage:5pcs =15,20,25,30,35mm10Pcs=15mm,20mm,25mm,30mm,35mm,40mm,45mm,50mm,55mm,60mm,65mm

• ▲The head is good at removing the debris and working efficiently with curved design.
• ▲Universal round handle, hand drill and bench drill are suitable.
• ▲It is high hardness, wear resistance, good toughness, heat and corrosion.
• ▲Applicable to various gypsum board, plastic board, wooden board,solid wood, artificial wood, all kinds of wood, woodworking than indispensable woodworking gadgets.
• ▲The tip is specially designed to cut through hole cleanly, great for boring concealed hinges and door locks.