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Radius Angle & Groove Bits (3/4" & 1") – Dual-sided hourglass and grooved designs for lamp panel grinding
and flexible shaft grinders
lapidary & Gemology: Achieve mirror finishes on cabochons and faceted gems
80 grit Sanding Belts for aggressive stock removal
Note: Hyperlinks align with lapidary and precision manufacturing workflows
42mm Sintered Diamond Core Drill – Durable & Efficient for Gemstone, Glass & Ceramic Cutting 3m diamond belts Radius Angle & Groove BitsOverview 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
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