5 pezzi Punta per trapano per calcestruzzo muratura HSS gambo 1/4 di pollice 6 mm punta piastrelle e vetro

Features:The cutter head is made of carbide. The triangular bit has low resistance and can improve work efficiency. It is harder and more wear-resistant than ordinary drill bits. The tool shaft is made of high-speed steel, which is strong in hardness and wear resistance.It can be installed on electric drills and bench drills.Widely used for drilling walls, bricks, wood, glass, ceramic tiles, concrete, etc.Specifications:Tip Type: Four-blade Spear DrillFinish: ElectroplateTip Material: CarbideType: 1/4-inch Hex ShankShank Material: High-speed SteelDrill Diameter: 3mm / 0.12-inchTotal Length: 83mm / 3.27-inchPackage Contents:1 Pcs x Masonry Drill BitWarning Tips:Use a constant flow of coolant, often remove chips to extend the service life.Do not knock the drill bit to avoid deformation of the drill bit break.

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