5.0mm Round Cylinder Diamond Bur, 10pcs – 200 Grit 65mm Length for Gemstone, Stone & Glass

Precision 5.0mm Round Cylinder Diamond Burs (65mm Extra Length, 10-Piece Set) designed for intricate carving, internal hole detailing, shaping, and precision grinding on hard materials. Featuring durable 200-grit electroplated diamond abrasive bonded uniformly over the cylindrical head.

Key Specifications

• Head Diameter: 5.0 mm
• Total Length: 65 mm (Extra Long Reach)
• Grit: 200# Medium-Fine
• Shape: Round Cylinder / Grinding Pin
• Quantity: 10 pieces
• Bond Type: Electroplated high-grade diamond

Recommended Applications

• Lapidary gemstone shaping, bead hole cleaning, and contouring
• Glass, stained glass, and fused glass engraving
• Ceramics, porcelain, jade, agate, and hard stone detailing

Usage Tips

• Always operate with water lubrication or coolant mist to minimize heat build-up and extend tool life.
• Apply light to moderate pressure; allow the electroplated diamond coating to do the cutting.