Auniwaig 5PCS 8mm Multi-Material Drill Bit Masonry Drill Bits Alloy Tip for Ceramic Tiles Concrete, Brick, Glass, Plastic

Auniwaig Ceramic Drill Bit Specification:Material: AlloyShank Diameter:8mm / 0.31 inchTotal Length:11.7cm/4.61inchSurface treatment:BlackeningDescription:1.Solid twist drill bits openings are smooth, will not cause tremors;U groove drill bit design, drilling and chip removal more smoothly.2.Do not use impact mode of drills or hammers when use the Multi-material Drill Bit.3.Easily Drill through Ceramic Tile, Glass, Cinderblock, Hard Plastic, Cement, Concrete, Mirrors, Windows, Travertine, Brick, Wood etc.4.Please try to keep the drill vertical and use WATER or COOLANT for lubrication when drilling.Package Content:5pcs X Drill Bit

• 【Parameter】- Diameter: 8mm/0.31 inch; Material: Alloy steel; Surface treatment: Blackening.
• 【Material】- This drill bit set are made of carbide for proven capability and durability, Tough, sharp, well made.With a reinforced head that prevents bit cracking and provides a longer life.
• 【U Groove Drill Bit】- U type slot design with fast drilling dust remove, 5-flats shank allows drill bit to be held tightly and stably in power drill;When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.
• 【Multipurpose】- Multi-material drill bit set for use with electric or cordless hammer drills; Ideal for drilling holes in concrete, ceramic tile, brick, wood, plastic, soft metal, stone and masonry.
• 【Warm Note】- When drilling hard materials (glass, porcelain floor tile, marble or granite), please use water for lubrication and preserve from over heating; Please do not use impact mode of drill or hammers.