35x18mm Diamond Concave Edge Drill Bits 240Grit 6 Shank | Concave Cylinder & Ring Rounding Bits lapidary diamond lap /* 超宽表格可横向滚动 */ } }

/* 超宽表格可横向滚动 */ } } Overview — High-Performance Sintered Diamond Core Drill

🔹 Why Choose sintered Over Plated/Brazed Laps

silicon wafers

Compatible Machine Sizes & Applications

with options for full-face or no-hole designs to match your polishing workflow

35x18mm Diamond Concave Edge Drill Bits 240Grit 6 Shank | Concave Cylinder & Ring Rounding Bits lapidary diamond lap /* 超宽表格可横向滚动 */ } }Diamond Drill Bits are precision tools for fine detailing and material processing. Discover the versatility of diamond drill bits, designed with durable diamond grit for aggressive cutting, precise shaping, and long lasting performance. Available in multiple gritscoarse (40,60,80,120) for rapid material removal, and fine(240,600,1200) for detailed engraving and polishing. These tools suit lapidary artists, jewelers, sculptors, and precision craftsmen.