5PCS Tile Drill Bit Four-Edged Impact Overlord Drill Hexagonal Handle Concrete Triangle Drill Electric Glass Punching Sp

Description Hard alloy steel material wear resistance and impact resistance After heat treatment the surface can obtain a high temperature wear resistance and impact resistance and the hardness and toughness are greatly improved Double heliix chip removal rejecting drill burning The double heliix effectively prevents chip accumulation and retention and the high speed operation is smooth and the efficiency is higher Cross four edged faster and more neat drilling fine workmanship sharper cutting Adding water can effectively avoid damage to the drill bit water drills should be added to materials with higher hardness note when drilling continuously water cooling is required to avoid burning the drill bit and prolong the service life of the drill bit Compatible models screwdrivers electric drills rechargeable drills Kind tips 01 The torque of rechargeable drills and screwdrivers below 24V is too low so it is not recommended to use 02 Drilling of ceramic tile glass stone needs to add water to cool down prolong the service life of the drill bit 03 When drilling the wall do not hit the steel bar otherwise it will cause the cutting edge to collapse Specification Product name 4 blades overlord drillCompatible equipment hand drill rechargeable drill screwdriverMaterial CarbideFeatures High hardness wear resistance accurate positioning and good chip removalUses Commonly used for drilling tiles concrete walls wood glass etc SpecificationDri