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BUSCH 186 THREE SQUARE BUR
The Busch 186 Three‑Square Bur range features a precision three‑cut fluted profile, ideal for detailed jewellery bench work. These burs excel at enlarging and tapering holes, shaping internal surfaces, and defining flat faces with exact control.
Built for professionals, hobbyists and students alike, they work reliably in gold, silver, platinum and allied metals. The design offers smooth action, efficient metal removal, and crisp edges— perfect for finishing work or preliminary shaping. Usage includes opening setting seats, refining internal edges, and shaping holes or flats with accuracy.
Whether you’ re preparing a bezel, refining a seat, or creating a clean transition in your design, the Busch 186 Three‑Square Bur range gives you dependable performance and value.
