99mm Sintered Diamond Core Drill – Durable & Efficient for Gemstone, Glass & Ceramic Cutting lapidary belt sander tool-free swaps—ideal for lapidary

tool-free swaps—ideal for lapidary

Ideal for ultra-hard materials like wood

Enhance your abrasive toolkit with our nickel-bonded electroplated diamond dot disc—the rust-resistant

and optical glass

Available in grits from 60 to 50

99mm Sintered Diamond Core Drill – Durable & Efficient for Gemstone, Glass & Ceramic Cutting lapidary belt sander tool-free swaps—ideal for lapidaryOverview High Performance Sintered Diamond Core Drill The Sintered Diamond Core Drill is engineered for high performance drilling in ultra hard materials like stone, glass, ceramics, and metals. Its sintered diamond matrix ensures unmatched durability and precision, making it indispensable for industrial, lapidary, and artistic workflows. Engineered for professionals who demand durability, accuracy, and long lasting performance, our Sintered Diamond