50mm 80 Grit Diamond Countersink Drill Bit – 6mm Shank, 90° for Stone, Glass & Tile

The 50mm 80 Grit Diamond Countersink Drill Bit (90° Angle, 6mm Shank) is a precision hole chamfering, beveling, and deburring tool engineered for stone, glass, ceramic, and tile applications. Featuring high-concentration 80 grit electroplated diamond abrasive on a sturdy 6mm cylindrical shank, this bit effortlessly enlarges existing holes, creates neat conical countersinks for flush fasteners, and cleans ragged hole edges to prevent edge chipping.

• Head Diameter: 50mm
• Angle: 90° conical chamfer
• Grit: 80 Grit coarse diamond for efficient material removal
• Shank Diameter: 6.0mm rotary shank
• Bond Type: Electroplated diamond
• Applications: Hole beveling, edge chamfering, hole enlarging, and countersinking in granite, marble, tile, ceramic, and glass

For best results and extended tool lifespan, use with water lubrication or coolant during drilling.