Specifications:
Diameter: 38mm, 50mm
Material: High manganese steel + Emery / Diamond abrasive
Grit: 46#
Compatible Machines:Angle grinder, hand drill (adapter required)

Application Scenarios: 
Suitable for drilling, reaming, chamfering, and grinding on materials such as marble, quartz stone, and tiles. Features sharp grinding, environmentally friendly, and durable.

Product Advantages
Built with high-manganese steel and 46-grit diamond sand for solid structure and sharp grinding performance.
Multi-use for drilling, hole widening, chamfering and grinding marble, quartz and ceramic tiles.
Stable brazing fixes diamond grit tightly to slow grit drop and extend tool lifespan.
Low-dust working mode brings eco-friendly machining.
38mm & 50mm two mainstream sizes; compatible with angle grinders, and hand drills with conversion adapters.

Usage Precautions
Fasten threads securely; fit adapters when using hand drills, and check your power tool’s RPM limit beforehand.
Wear goggles, dust masks and work gloves throughout operation.
Apply mild steady pressure; never push forcibly to prevent bit damage or tile cracks.
Take intermittent breaks during long continuous work; wet processing is recommended for hard stone tiles.
Replace bits with loose grit or base cracks promptly; store spare drills in dry locations away from heavy pressure.

Why Choose Our Product?
Superior brazed workmanship: evenly bonded 46-mesh diamond sand outperforms regular electroplated bits, cutting your recurring replacement costs.
Great versatility: one tool finishes four common stone processing tasks. The two popular sizes suit DIY tiling projects as well as professional workshop use and reduce your tool inventory expenses.
Greener operation: less harmful dust is produced versus resin-bonded alternatives, delivering cleaner work sites and tidy finished edges with fewer follow-up touch-ups.
Factory-direct deals: markup-free pricing and steady stock are available. We support OEM customization, consolidated shipment with other diamond tools to save freight, plus reliable overseas after-sales guidance.