14mm Round End Cylinder Diamond Bur, 10pcs – 45 Grit 3mm Shank Precision Carving Tool for Gemstone, Stone & Glass

Professional-grade 14mm Round End Cylinder Diamond Burs (3mm Shank, 10-Piece Set) designed for channel grinding, cove milling, rounded slotting, and concave surface carving. Featuring heavy electroplated 45-grit industrial diamond coating across both the cylindrical side walls and hemispherical dome nose.

Key Specifications

• Head Diameter: 14 mm
• Head Shape: Cylinder with Round End (Ball Nose / Dome Cylinder)
• Shank Diameter: 3 mm (1/8" standard rotary tool and micro-motor fit)
• Grit: 45# Extra Coarse (Rapid stock removal and rounded profile cutting)
• Bond Type: Electroplated Diamond
• Quantity: 10 pieces per set

Recommended Applications

• Carving rounded grooves, internal channel hollowing, and relief carving in gemstone, jade, agate, and quartz
• Glass sculpturing, cove edging, and beveling
• Ceramic tile, granite, marble, and engineered stone shaping
• Metal deburring, mold cavity rounding, and casting cleanup

Usage Guidelines

• Always operate with continuous water coolant or mist lubricant to extend tool life and prevent diamond burn.
• Recommended operational speeds: 10,000 – 22,000 RPM. Maintain consistent moderate feed pressure without forcing.