apex ecomm 2PCS 6mm Serrated Hollow Core Diamond Drill Bits hole on glass, tiles, granite, ceramic Masonry Bits Set(Pack of 2)
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Product detailsThe serrated drill bit increases the sharpness and opening speed. Sharper and more durable than ordinary electroplated drill bits, especially suitable for thick glass openings. (10mm thick glass generally has about 300 openings.)Using electroplated diamond (50-60 grits), the opener creates precise, smooth cuts with no broken edges. Nickel plating improves hardness, wear resistance, corrosion resistance, and greatly extends the drill bit life. Low drilling resistance, continuous cutting edges, high precision, little or no chipping.Widely used for cutting accurate holes on glass, ceramics, porcelain, ceramic tile, porcelain tile, limestone, slate, marble, light stone and fiberglass. Not suitable for drilling tempered glass, plastic and wood.Use on ordinary hand drills or bench drills. Always work with coolant (water) when drilling. Not suited for use on concrete or for depths beyond about 1/2-inch.Drilling Diameter: 6mm / 0.24"Drilling Depth: 26mm / 1.02"Round Shank Diameter: 5mm / 0.2"Total Length: 46mm / 1.81"Material: Diamond, 45# Carbon SteelFinish: Nickel PlatedHead Style: SerratedPackage Content: 2 Pack x Diamond Drill Bits
