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Key Features:  DDT VACUUM BRAZED STEP DIAMOND CORE BIT

  • Vacuum brazed diamond coating for maximum cutting speed and durability
  • Stepped / progressive diameter design for smooth hole expansion
  • Reduces chipping, cracking, and material stress during drilling
  • Excellent for granite, quartz, porcelain, marble, and engineered stone
  • Ideal for enlarging existing holes and precision adjustments
  • Designed for professional fabricators and installers
  • Drill Holes from 3/4 , 1-3/8″ & 2
  • Great for grinding corners

Best for:

  • Granite, quartz, porcelain, engineered stone
  • Professional fabrication & installation
  • Step core bits, finger bits, profiling wheels
  • High-speed material removal

Key characteristics:

  • Diamonds are fully exposed (more cutting edges)
  • Much stronger bond between diamond and steel
  • Can run dry or wet
  • Longer lifespan under heavy use
  • Handles heat and pressure significantly better
  • More aggressive, faster cutting

Description

DDT VACUUM BRAZED MULTI-STEP DIAMOND CORE BIT

The DDT Vacuum Brazed Step Diamond Core Bit is engineered for fast, controlled hole enlargement and precision shaping in stone and hard surfaces. Its stepped, multi-diameter design allows fabricators to gradually widen holes without cracking, chipping, or blowout. Manufactured using vacuum brazed diamond technology, this core bit delivers aggressive cutting speed, extended life, and consistent performance on granite, quartz, porcelain, marble, and engineered stone. Ideal for sink cutouts, faucet holes, and corrective sizing where accuracy matters.

Additional information

Weight1 lbs
Dimensions5 × 5 × 5 in

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