10pcs Diamond Drill Bit Set 1/4" - 1-1/4" (6mm-32mm) Hollow Drill Bits Hole Saw Set for Glass Tile Porcelain Ceramic Marble Bottles Pots Brick
Size - Cutting diameter: 6mm / 1/4", 8mm / 5/16", 10mm / 3/8", 12mm /1/2", 14mm / 9/16", 16mm / 5/8", 18mm / 11/16", 22mm / 7/8", 26mm / 1", 32mm / 1-1/4". The diamond bit set comes with 10 different drill bits to meet your needs.
Material - The drill bit set with thickened electroplated diamonds have sharpness, excellent cutting strength for high precision and smooth cuts without edge breakage. Made of industrial grade carbon steel, good toughness, high strength, and durability.
Feature - The diamond drill bit with large clearance hole facilitates the entry of cooling water and the escape of chips from the drilled hole, making the drilling easier and faster. Nickel plated coating provides great corrosion resistance, wear resistance, and long service life.
Application - The diamond hole saw set is widely used for cutting accurate and clean 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.
Note - When diamond drill bit is working, please always add coolant (water), use at low drilling speeds and pressure, which can greatly extend the tool life . Not suited for use on concrete or deeper than about 1/2 inch. The hole should be entered smoothly, and no side pressure is applied.
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