M14 Shank Sintered Diamond Core Drill Bit

core drill bit

Product Details

Technical Data

  • Shank: M14 thread (14mm diameter)
  • Diamond: #30-#80 grit, 5-15mm height
  • Body: High-strength carbon steel
  • Use: Porcelain, granite, concrete, glass (hard materials)
  • Cooling: Built-in slots for chip/coolant flow
  • Speed: 7,000-13,000 RPM

Advantages

  • Sintered bonding for 20-30× longer life vs electroplated bits
  • Fast drilling + clean holes, minimal chipping
  • Fits most drills/angle grinders (M14 compatibility)
  • Dry/wet use, versatile for hard materials
  • Cost-effective (fewer replacements, high efficiency)

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