The Belgum 1/2" GAS Thread Sintered Diamond Core Drill Bit is the ultimate solution for clean, crack-free drilling in the toughest materials. Engineered for contractors, tile installers, stonemasons, and serious DIYers, this professional tile cutting tool delivers unmatched precision on porcelain tile, ceramic tile, granite, marble, engineered stone, concrete, brick, and more—without chipping or blowout.

Unlike standard drill bits, our sintered diamond core bit features high-concentration diamond segments fused directly into the steel body, ensuring aggressive cutting speed, superior heat resistance, and extended service life—even under heavy-duty use. The 1/2" GAS (Gas Standard) thread provides a secure, wobble-free fit in most core drill rigs, angle grinders, and wet/dry drilling systems.

This diamond hole saw for stone excels in real-world applications:

• Drilling faucet holes in granite countertops  

• Creating clean cutouts for shower valves in porcelain tile  

• Installing plumbing fixtures in ceramic wall tiles without cracking  

• Making precise openings in marble backsplashes or concrete walls

Designed for wet or dry operation (wet recommended for maximum lifespan), it’s the reliable choice when failure isn’t an option. Whether you're a pro fabricator or a weekend renovator, the Belgum 1/2 gas thread diamond drill gives you the control, durability, and clean-edge finish that cheaper alternatives simply can’t match.

Upgrade to the best sintered diamond core bit on the market—engineered to work harder, last longer, and deliver flawless results every time.