10pcs 90mm Length 50x7mm Sintered Diamond File Bur

The Sintered Diamond File Bur with a 6mm shaft is engineered for precision stone carving, engraving, and shaping. Designed with a fully welded sintered diamond head, it delivers long-lasting durability and aggressive cutting action on hard materials like granite, marble, ceramic, sandstone, and more.

Available in multiple sizes and shapes, this bur is compatible with rotary tools, flex shafts, and die grinders equipped with a 6mm collet. It’s a favorite among professional sculptors and lapidary artists for texturing, rough shaping, and detailed carving work.

⚙️ Specifications:

• Product Name: Sintered Diamond File Bur

• Shank Diameter: 6mm

• Sizes:
   • 65mm Length, 17×7mm
   • 65mm Length, 17×9mm
   • 75mm Length, 30×8mm
   • 80mm Length, 30×9mm
   • 80mm Length, 38×7mm
   • 90mm Length, 50×7mm

• Construction: Fully sintered diamond head, welded to shaft

• Compatibility: Rotary tools, die grinders, flex shafts (with 6mm collet)