Tile Hole Saw, Drillpro 15 Pcs Diamond Hole Saw Remover Tools for Glass, Porcelain, Ceramic, Granite Stone Drill Bits 6-50mm

Specifications of the Tile Hole Saw : ?Material: high quality steel, diamond dust coating ?Color: Silver. ?Size: 6 - 50mm/0.23"-1.97" 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 26mm, 28mm, 30mm, 40mm, 50mm ?Quantity: 15 pcs Features: ?Good performance:diamond dust coating offers superior performance and cutting strength ?Wide application of the Tile Hole Saw: coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication. ?15 SIZES: No matter which size hole you want, it can always drill a perfect hole for you. ?How to Use DRILLPRO Tile Hole Saw drill correctly ?Step1:Use pen to mark start of hole?and keep wet with WATER or COOLANT. ?Step2:Angle drill 45 degrees to start hole, and being drilling at low speeds. Angle drill to vertical position once the hole has started. ?Step3:Minimum pressure.Slow speed down for exit hole or drill from the other side to prevent breakthrough. Note: If you smell burning, back off! Either your speed is too high or the pressure you're applying is too much. You're drill bit should never be hot to the touch, not even warm. ?Slowest speed ? Always use lubrication (water) ? Minimum pressure ?Why Choose DRILLPRO ?Good quality and reliable brand. ?Within 90 days product quality is not completely satisfied, please CONTACT US, 100% refund. ?24-hour feedback excellent customer service Package Included: 15 x Tile Hole Saw 1 x Kraft Paper Package 1 x User Manual