
Diamond Concave Cylinder Drill Bits & Grinding Heads for Bead Bracelet Jewelry is a Precision diamond-coated tools for drilling and grinding beads, gemstones, and jewelry components. Ideal for bracelet crafting (Beadwork) and spiritual jewelry repair.
Technical Specifications
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Drill Bits:
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Drill Tip: Concave diamond-coated surface for clean, smooth holes in hard materials (Diamond Core Drills).
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Shank Sizes: 6mm – Compatible with rotary tools (Rotary Tools) and pendant drills (Drilling Systems).
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Material Compatibility: Jade, agate, amber, turquoise, and stones with Mohs hardness ≤7 (Gemstones).
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6mm Shank Concave Grinding Head:
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Material: Synthetic diamond abrasive.
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Grit: 150# (coarse) / 400# (fine) – For progressive material removal (Abrasive Grits).
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Dimensions:
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Shank Diameter: 6mm
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Outer Diameter: 20mm
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Groove Width: 2mm–12mm (adjustable for precise contouring).
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Cooling Requirement: Water-cooled operation (Cooling Systems).
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Applications: Jade, agate, ceramics, crystal, and glass beads (Glasswork).
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Key Features
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Concave Design: Minimizes chipping and ensures centered holes for delicate beads (Precision Tools).
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Diamond Coating: Long-lasting performance on hardened stones (Diamond Abrasives).
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Versatility: Suitable for organic materials (bone, shell) and ceramic components (Ceramic).
Applications
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Bead Drilling: Create uniform holes in bracelet beads (Beads) for stringing.
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Surface Grinding: Shape and smooth gemstone cabochons (Cabochons).
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Jewelry Repair: Precision drilling/grinding for broken pendants (Jewelry Tools).
Usage Guidelines
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Speed: 5,000–10,000 RPM for drilling; ≤15,000 RPM for grinding.
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Cooling: Always use water lubrication (Cooling Accessories).
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Safety: Wear protective eyewear (Safety Gear) and secure workpieces firmly.
Why Choose These Tools?
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High Precision: Achieve mirror-finish holes (Polishing Systems) and smooth contours.
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Durability: Diamond coating resists wear in high-friction tasks (Grinding Tools).
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Efficiency: Drill/grind multiple beads without tool changes.
Complementary Products:
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Bead Polishing Kits: Diamond Compound Paste
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Flexible Shafts: Rotary Tool Accessories
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Bead Cleaning Brushes: Finishing Tools
Customizable Packaging: Select options (grit, size) from the dropdown menu.
Note: For bulk orders or technical support, contact HANS Lapidary. Ideal for jewelers demanding flawless precision in bead crafting and repair.