BESYZY Material Drilling Concrete Plastic Review

👍【Premium Material】made of cemented carbide and its hardness is higher than the ordinary drill bit.This set of drills has 4 sizes, 6/8/10/12 mm, to meet your different needs. 👍【Feature】Triangle spear tip type slot design, High speed spiral can be effective in the removal of debris. The triangle shank, can be better clamping hand electric drill to prevent wander and slipping. U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill. 👍【Durability】Specially-designed tungsten carbide tip will not get rust or erosion.High quality carbide with a reinforced head to stop it from the breaking of drills and provides greater durability. Strong strength and wear resistance and provides a longer life. 👍【Widely Usage】Multifunctional drill bit set for drilling in concrete, brick, wood, plastic, soft metal, wall construction and bore hole drill holes in bathroom tiles or wall mirrors. 👍【Warm Tips】When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.