4 Inch (100mm) Diamond Hole Saw with Pilot Bit, 4" Tile Tip Coated Hole Saw with Guiding Drill Bit in The Center for Glass, Porcelain Tile,Ceramics, Marble and Granite
Product Specification
Outer Diameter:100mm (close to 4 inch)
Inner Diameter:95.8mm (3.77 inch)
Hex Shank Diameter:9.5mm (3/8 inch)
Total Length:72mm (2.83 inch)
Drill Depth:35mm (1.38 inch)
Recommend Speed:980RPM
Quantity:Only 1 Piece
With Spear Shaped Center Pilot Drill Bits, Easy to Get Started:
Tile hole saw with center guiding drill bit make you more easy to locate the center to start drilling on a smooth tile surface. No need to spend time making extra jig guides.
FeaturesBrand New & High Quality.
Easy to use, Good performance and long life.
Excellent for making clean and accurate hole on stone, granite, marble, tileWorks better with a electric drill (Excluding in this item ).
Diamond drill set with standard 3/8" hex shank that will fit cordless screwdrivers, drills etc or use in standard drill chuck.
Drilling speed: Drill a hole in seconds.
Use with water as a lubricant.
How to use a hand drill to drill holes in the stone/glass/tile?
Pilot bit install: align the screw with the notch of the pilot bit.
Step 1. Start drilling with Center Locator Pilot Pin. Need to keep adding water.
Step 2.After making a initial marks, Remove The Center Pin.
Step 3.Continue Vertical drilling Without The Center Pilot Bit. Add more water for cooling.