5mm Point Shape Diamond Bur, 10pcs – 45 Grit 3mm Shank Precision Carving Tool for Gemstone, Stone & Glass

Professional-grade 5mm Point Shape Diamond Burs (3mm Shank, 10-Piece Set) engineered for fine groove engraving, deep veining, sharp detail carving, and point grinding in hard lapidary materials. Coated with extra-coarse 45-grit industrial diamonds electroplated over a precision-balanced 3mm steel shank.

Key Specifications

• Head Diameter: 5 mm
• Head Shape: Point Shape (Conical Point / Sharp Tapered Tip)
• Shank Diameter: 3 mm (1/8" standard rotary tool and micro-motor fit)
• Grit: 45# Extra Coarse (Aggressive cutting and precise line carving)
• Bond Type: Electroplated Diamond
• Quantity: 10 pieces per set

Recommended Applications

• Carving intricate relief lines, fine lettering, and detailed incisions in jade, agate, quartz, and stone
• Glass detail engraving, etching, and edge profiling
• Ceramic, porcelain, and tile fine channel cutting
• Precision deburring, hole chamfering, and mold detailing

Usage Guidelines

• Always operate with continuous water coolant or mist lubricant to extend tool life and prevent thermal damage.
• Recommended operational speeds: 12,000 – 25,000 RPM. Maintain consistent light-to-moderate pressure.