This multi-functional gemstone grinding/dop stick set is crafted from eco-friendly carbon steel with a high-performance coating that ensures exceptional wear resistance and rust prevention. The rods feature a standardized diameter of 6.0 mm (precision tolerance: -0.03 mm) and a total length of 65.0 mm. The working ends are available in multiple configurations:
Key Specifications:
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Material: Premium Carbon Steel
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Surface Treatment: High Wear-Resistant & Anti-Rust Coating
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Head Types:
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3.0 mm Flat Head (12 units)
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5.0 mm Flat Head (12 units)
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V-Shaped Head (10 units)
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Rod Dimensions:
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Diameter: 6.0 mm
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Length: 65.0 mm
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Package Includes:
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1 × Durable Storage Box (Compact & Protective Design)
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12 × 3.0 mm Precision Grinding Sticks
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12 × 5.0 mm Precision Grinding Sticks
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10 × V-Shape Grinding Sticks (Edge Detailing & Grooving)
Features & Applications:
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Optimized Material Performance
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Carbon steel construction ensures rigidity and longevity, ideal for high-frequency gemstone shaping, polishing, and engraving tasks.
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Anti-rust coating enhances corrosion resistance, suitable for humid workshop environments.
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Multi-Head Versatility
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3.0/5.0 mm Flat Heads: Designed for fine surface grinding and micro-drilling.
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V-Shaped Heads: Engineered for precise edge grooving, beveling, and decorative pattern carving.
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Ergonomic Design
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Standardized 6.0 mm rod diameter ensures compatibility with most rotary tools and collet systems.
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65.0 mm length balances maneuverability and grip stability during detailed work.
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Notes:
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Store sticks in the provided box to prevent tip damage and coating abrasion.
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For optimal performance, pair with a variable-speed rotary tool (e.g., 20,000–30,000 RPM).
Technical Compliance:
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Dimensional tolerance: ±0.05 mm (rod diameter).
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Surface hardness: ≥55 HRC (post-coating).