99mm Sintered Diamond Core Drill – Durable & Efficient for Gemstone, Glass & Ceramic Cutting lapidary belt sander Ideal for ultra-hard materials like

Ideal for ultra-hard materials like wood

and lapidary work

Available in grits from 60 to 50

tool-free swaps—ideal for lapidary

They provide a high visibility at the point of contact and are excellent for the quick removal of punty marks

99mm Sintered Diamond Core Drill – Durable & Efficient for Gemstone, Glass & Ceramic Cutting lapidary belt sander Ideal for ultra-hard materials likeOverview 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