CNC & M14 Thin Wall Diamond Drill Bit Multiple sizes, 6mm, 10mm, 14mm, 20mm, 25mm, 35mm


Precision-engineered with a 1mm thin wall, this vacuum brazed diamond drill bit is designed for clean, efficient drilling through granite, engineered stone, marble, and concrete. The continuous rim provides smooth cuts while protecting the steel core.

Suitable for Granite & Engineered Stone

Multiple sizes, 6mm, 10mm, 14mm, 20mm, 25mm, 35mm 

  • Dual Fitting: 1/2" Gas and internal M14 thread for compatibility with both CNC machines and handheld tools
  • Thin Wall Design: 1mm wall thickness enables faster, cleaner drilling with minimal material damage
  • Vacuum Brazed Technology: Tightly bonded diamond layer for durability and precise cutting
  • High Performance: Special bonding formula delivers long life and aggressive drilling speed
  • Versatile Application: Ideal for stone fabrication shops and on-site installations suitable for grinders use with M14 internal thread 

PLEASE NOTE: Photos may show multiple drill bits, however all prices are listed for individual drill bit. 

All prices shown exclude GST

Sale price$50.00 Regular price$140.00
Save $90.00
Size: 6mm