1.8mm Extra Length Point Shape Diamond Bur, 100pcs – 2.35mm Shank Precision Carving Tool for Gemstone, Stone & Glass

Professional-grade 1.8mm Extra Length Point Shape Diamond Burs (2.35mm Shank, 100-Piece Bulk Pack) engineered for deep-cavity reach, micro-engraving, intricate detail carving, and delicate internal sculpting in hard lapidary materials. Coated with premium industrial diamonds electroplated over an extended, precision-balanced 2.35mm (3/32") steel mandrel.

Key Specifications

• Tip Diameter: 1.8 mm
• Head Shape: Point Shape (Slender Conical Micro-Point / Needle Point)
• Shank Diameter: 2.35 mm (3/32" standard rotary tool & micro-motor fit)
• Length Profile: Extra Length / Extended Reach Shank
• Abrasive / Bond: Premium Industrial Diamond / Electroplated
• Quantity: 100 pieces per pack

Recommended Applications

• Ultra-fine detail carving, micro-lettering, veining, and intaglio in jade, agate, quartz, and gemstones
• Deep recess engraving, glass bottle internal detailing, and delicate glass etching
• Fine ceramic relief carving and dental/mold cavity detailing
• Precision jewelry crafting and small channel cleaning

Usage Guidelines

• Always use continuous water coolant or mist lubrication to protect the diamond matrix and avoid heat damage.
• Recommended operational speeds: 15,000 – 30,000 RPM. Maintain light, steady pressure to avoid bending the extended shank.