Diamond Hole Saw Set, Diamond Core Drill Bits for Tile/Glass/Marble (6mm-50mm 11 Pieces)

Professional Diamond Hole Saw: With a special brazed diamond design for porcelain, glass, marble, ceramic, rock, granite, etc.

High-Quality Hole Drilling: Made from carbon steel with a diamond blade, ideal for drilling clean, precise holes and cutting perfect circles with these tools.

Long Lifespan: The robust hole saws offer superior performance and a lifespan of over 8 times longer.

Tips: The electroplated diamond coating will wear off if the tool gets too hot. Never let your drill bit dry out.

Package Contents: 6mm, 8mm, 10mm, 12mm, 16mm, 20mm, 22mm, 25mm, 30mm, 38mm, 50mm.

Set of 11 drill bits

Product Description

Specifications:

Material: Carbon Steel

11pcs 6mm-50mm diamond hole saw drill bit set

Features:

This diamond-coated core drill bit removes a full circle of glass, tile, marble, granite, ceramic, or other materials

Note:

If you feel a burning sensation, step back! Either your speed is too high, or you are applying too much pressure.

You should never feel hot to the touch, not even warm.

Please:

Always use water for lubrication, otherwise the diamond core drill bit will burn.

Can be used with a standard electric drill.

Make a half-circle mark, then hold the drill straight.

Reduced drilling speeds, low drilling pressure, and increased use of water lubrication will greatly extend the drill bit's life.

Use coolant.

Minimum pressure.

The general rule is that the smaller the diameter of your drill bit, the faster the drilling speed you can use.

The harder your material, the slower the drilling speed you should use. The shank diameters of diamond drill bits are: The shank diameter of the 6 mm diamond drill bit is 6 mm. The shank diameters of diamond drill bits from 8 mm to 25 mm are 8 mm. The shank diameter of other diamond drill bits is 10 mm. Contents: 11 diamond brazed drill bits