Diamond countersink bits mounted points
This type of diamond countersink bit was made of superior diamond with bronze bond, Â Which can be used for grinding glass, tile, jade, agate, crystal, precious stones, and so on.
Abrasive Grain: Diamond
Default Grit: 180#
Bond: Bronze/metal
Shank Type: Straight Shank
Head Diameter: 30mm, 40mm, 50mm, 60mm or customized.
Head Angle: 90 Degree
Total Length: 55mm or customized
Recommended RPM: 2200 – 2600
There are two types of countersink bits: with slots or without slots.
How to keep Countersink to be sharp:
When Diamond Countersink gets to be dull, it can be sharpened with a Sharpening Stone to expose fresh diamonds.
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