Sworker Diamond Drill Bits 1mm 1.5mm 2mm 2.5mm 3 Each 120-Grit 12Pcs with 4 Collets Compatible with Dremel Rotary Tool for Sea Glass Stone Shells Jewelry Making Porcelain Ceramic Gems
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Product details
| Management number | 219068298 | Release Date | 2026/05/03 | List Price | $3.20 | Model Number | 219068298 | ||
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- Complete 12Pc Diamond Drill Bit Set with 4 Collets: Includes 3 each of 1mm, 1.5mm, 2mm, 2.5mm diamond coated twist drill bits. Each size comes with matching brass collet for secure fit in Dremel and similar rotary tools.
- Perfect for Sea Glass, Stones & Jewelry Making: Drill clean holes through sea glass, shells, agate, quartz, amethyst, and gemstones. Ideal for creating pendants, necklaces, and wire-wrapped jewelry pieces.
- Water Cooling Extends Bit Life: For thick materials like glass and stone, submerge in water or use continuous water flow to prevent overheating and cracking. Thin shells may not require water cooling.
- Premium 120 Grit Diamond Coating: High-quality diamond grit coating provides smooth, precise holes. Twist drill design with matching collets ensures stable drilling without slipping or wandering.
- Four Versatile Sizes for All Projects: 1mm to 2.5mm range covers pilot holes to larger pendant holes. Great value pack for hobbyists, jewelry makers and crafter.
| Model | J120-10152025-12-4J |
|---|---|
| Set Name | Sworker 12 Bits + 4 Collets |
| Brand Name | Sworker |
| Shank Type | Straight |
| Unit Count | 12.0 Count |
| Part Number | J120-10152025-12-4J |
| Finish Types | Diamond Coating |
| Manufacturer | Sworker |
| Item Dimensions | 1.77 x 0.12 x 0.12 inches |
| Tool Flute Type | Spiral |
| Cutting Diameter | 1 Millimeters |
| Number of Flutes | 2 |
| Number of Pieces | 12 |
| Included Components | 12 Diamond Drill Bits, 4 Brass Collets, 4 Bags, 1 Clamshell Case |
| Cutting Angle String | 118 Degrees |
| Warranty Description | 5-Year Returnless Replacement |
| Surface Recommendation | Glass Stone Jewelry Metal Ceramic Porcelain |
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