Product: JINGLING 100mm 4" inch Tile Diamond Hole Saw Drill Bits for Glass Stone Ceramic
Brand: JINGLING
Color: Silver
JINGLING 100mm 4" inch Diamond Coated Tool Drill Bit Hole Saw for Glass Tile Ceramic Marble Color Silver Product Name: 100mm Diamond tip drill bit, 4 inch Hole saw bit  Features: Brand New & High Quality Hole Diameter: 100mm(close to 4") Shank Diameter: 10mm Total Lenght: 56mm Drilling Depth: 25mm Quantity: 1 Piece Do NOT Use Dry Features: Brand New & High Quality Easy to use, Good performance and long life Excellent for making clean and accurate hole on glass, tile, granite and marble  The Diamond Hole Saw Does NOT Have Center Pilot Drill. There is no need for a Pilot Drill Bit, because pilots are not safe for glass Can be used with Handheld or Upright Drillers Works better with an Upright Drillers ( excluding in this item ) Drilling speed: Drill a hole in seconds Use with water as a lubricant Quick Tips: 1. Please add water for coolant and drill slowly 2. Start drill at 45 Degree to surface and align to 90 Degree as hole forms 3. Never use drills while machine is in hammer action 4. Holes require no futher work as cutting is clean The Diamond Hole Saw Does NOT Have Center Pilot Drill There is no need for a Pilot Drill Bit, because pilots are not safe for glass/stone How to use a hand drill to drill holes in the glass/tile/stone? Step 1. The bit on the glass/tile/stone 45 degree, open a half-moon notch on it Step 2. Slowly up the bit to 60 degrees, and then gently drill Step 3. Reached 90 degrees, continue to drill Step 4. Drill through the glass/tile/stone finally, the technique requires a “wobble” of the drill rather that steady pressure straight on Welcome to Visit Our Store:  www.amazon.com/shops/DiamondTools30
Product Name: 4 inch Diamond tip drill bit, 100mm Glass hole saw bit, Glass drill bit
Hole Diameter: 100mm(close to 4"); Shank Diameter: 10mm; Total Lenght: 56mm; Drilling Depth: 25mm
Excellent for making clean and accurate hole on glass, tile, granite and marble
NOT have center pilot drill;Start drill at 45 degree to surface and align to 90 degree as hole forms
Do NOT Use Dry; Can be used with Handheld or Upright Drillers

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