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Diamond Bur 4x4mm Coarse is a high-performance, versatile cutting tool engineered for aggressive material removal and precise shaping. Equipped with a robust coarse diamond grit, this bur efficiently carves and shapes hard materials such as stone, metal, and glass. Its durable construction and extended shank offer superior reach and enhanced control, making it the perfect choice for demanding applications in jewelry making, metalworking, and stone carving.
Shaft Diameter: 3/32″ (2.35 mm) stainless steel for strength and compatibility with most rotary tools
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Total Length: 1-3/4″ (44.5 mm) for excellent reach and maneuverability
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Grit: Coarse (80) — designed for aggressive material removal and fast cutting action
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Head Size (Diameter x Length): 4 x 4 mm — provides a robust working surface for efficient grinding and carving
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Tip Material: Electroplated diamond particles for durability and consistent cutting performance
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Shank Material: High-grade stainless steel for resistance to corrosion and breakage
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Rotational Speed Compatibility: Suitable for use with rotary tools operating up to recommended RPMs (typically up to 30,000 RPM)
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Application: Ideal for coarse shaping, carving, and grinding of hard materials such as stone, metal, ceramic, and glass
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Features
High-quality diamond particles electroplated onto stainless steel for exceptional durability and long-lasting performance
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Coarse grit design enables fast and efficient material removal for heavy-duty applications
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Ideal for coarse grinding, carving, shaping, and engraving of hard materials such as stone, metal, ceramic, and glass
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Extended shank for improved reach and greater control in detailed work
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Compatible with most rotary tools, including Dremel, Foredom, and other handheld rotary devices
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Resistant to wear and heat, ensuring consistent cutting performance over time
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Suitable for professional jewelers, metalworkers, sculptors, and craftsmen requiring precision and reliability
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