Diamond Coated Hole Saw Drill Bit, Performance Hole Cutter for Glass/Tile/Granite/Marble (40mm)

Diamond drill bit: made of carbon steel with diamond coating for porcelain, glass, marble, ceramics, rock and granite, etc.

High quality hole drilling: blade thick with a brazed design for long life, ideal for drilling clean, precise holes and cutting perfect circles

Long life: heavy-duty hole saws provide superior performance, durability is more 8 times than other common diamond hole saws

Attention: Start drilling at a 45 degree angle, and drill vertically when the crescent-shaped edge is cut to prevent the hole saw from slipping. Never let your drill bit dry out and use water to keep it moist and cool.

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Product Description

Features:

Material: Carbon Steel carbon.

Shank diameter: 10mm.

Diamond coating: 1.5mm.

Features:

This drill bit diamond removes a full circle from glass, tile, marble, granite, ceramic or other materials.

Caution:

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

Can be used with a standard electric drill.

Make a half round mark at a 45° angle and then hold the drill straight.

Reduced drill speed, low drill pressure and increased use of water to keep hole saws cool will significantly extend drill bit life.