The Diablo Dog Diamond T-Turbo Core Drill Bit is engineered for extreme performance in the hardest stone materials, including quartzite, quartz, granite, and dense engineered stone. Built for professional fabricators and installers, Diablo Dog core bits deliver fast penetration, excellent control, and clean, chip-free holes in both shop and field applications.

Diablo Dog core bits combine an aggressive T-Turbo diamond cutting design with full vacuum-brazed side protection, creating a durable, high-performance drilling system specifically suited for ultra-dense stone. This advanced construction significantly outperforms standard electroplated core bits, offering smoother drilling, reduced binding, and extended tool life.

Rated for wet or dry use and equipped with a 5/8-11 universal thread, Diablo Dog core bits are compatible with most grinders, polishers, and core drilling equipment.

Advanced Cutting Technology

T-Turbo Diamond Cutting Segment

The Diablo Dog T-Turbo cutting segment is designed for fast, stable penetration in extremely hard materials. The turbo geometry improves debris removal, reduces vibration, and allows the bit to remain aggressive without glazing or stalling.

Vacuum-Brazed Side Protection

Full vacuum-brazed diamond sidewalls protect the barrel from wear, binding, and scoring. This side protection is critical when drilling quartzite and engineered quartz, where sidewall friction and heat quickly destroy standard core bits.

Together, these technologies provide:

• Faster drilling

• Cleaner, chip-free holes

• Reduced blowout and binding

• Improved control in dense stone

• Longer service life

Wet / Dry Performance

Diablo Dog Diamond T-Turbo Core Drill Bits are approved for both wet and dry drilling.

While dry drilling is permitted, light water use or misting is strongly recommended. Even minimal water:

• Reduces heat buildup

• Extends bit life

• Improves hole quality

• Minimizes chipping and edge damage

Ideal for:

• Shop fabrication drilling

• On-site field drilling

• Installation and repair work

Available Sizes

• 1/2 Inch

• 3/4 Inch

• 1 Inch

• 1-1/8 Inch

• 1-1/4 Inch

• 1-3/8 Inch

• 1-1/2 Inch

• 1-5/8 Inch

• 1-3/4 Inch

• 2 Inch

• 2-1/4 Inch

• 2-1/2 Inch

• 2-3/4 Inch

• 3 Inch

• 3-1/2 Inch

• 4 Inch

Key Features

• Diamond core drill bit for quartzite and dense stone

• Aggressive T-Turbo cutting design

• Full vacuum-brazed side protection

• Excellent performance on quartz, quartzite, and granite

• Wet or dry drilling capability

• High diamond concentration for cooler drilling

• Clean, chip-free hole creation

• Reduced vibration and binding

• Professional-grade vacuum-brazed construction

Applications

• Quartzite countertops

• Quartz and engineered stone

• Granite and dense natural stone

• Faucet holes

• Sink holes

• Plumbing penetrations

• Undermount sink installations

• On-site field drilling

• Shop fabrication drilling

Specifications

• Tool Type: Diamond Core Drill Bit

• Cutting Style: T-Turbo

• Use: Wet or Dry

• Thread: 5/8-11 Universal

• Compatible Tools: Grinders, polishers, and core drills

• Construction: Vacuum-brazed diamond technology