{"product_id":"5853-3-8-90","title":"Robert Charles Rose Countersink 6 Flutes 90° - 3\/8 Head Diameter","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Robert Charles Rose Countersink – 6 Flutes, 90° is a precision finishing tool designed to produce clean, accurate countersinks and chamfers with a smooth surface finish. Built for professionals and DIYers alike, it delivers dependable performance on a wide range of materials while helping you achieve consistent, professional results.\n\u003c\/p\u003e \u003cp\u003e\nWith six cutting flutes and a 3\/8\" head diameter, this countersink stays stable under heavy cuts, reduces vibration, and provides excellent chip control for fast, efficient material removal. It performs reliably on steel, aluminium, and plastics, delivering chatter-free chamfers even in demanding applications.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSix-flute design for stability and a superior finish\u003c\/b\u003e: Six cutting flutes distribute cutting forces for smoother operation, reduced vibration, and cleaner chamfers, even when removing material quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecise 90° countersink with 3\/8\" head diameter\u003c\/b\u003e: Delivers consistent chamfers and uniform surface finish, improving repeatability across parts and setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile across materials with durable construction\u003c\/b\u003e: Engineered for steel, aluminium, and plastics, with robust geometry that resists wear for long tool life in workshop, maintenance, and production environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nBy incorporating this countersink into your workflow, you gain predictable, high-quality finishes with fewer reworks, faster cycle times, and reliable performance across common materials. The tool's stability and chip control help you maintain steady feeds and achieve professional results even on busy production days.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43418556301390,"sku":"5853-3\/8-90","price":17.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/Rose_Countersink_d6b7b152-52c6-495f-b1ce-001c7bea2676.png?v=1770029420","url":"https:\/\/www.protool-ltd.co.uk\/products\/5853-3-8-90","provider":"Protool Precision Tools","version":"1.0","type":"link"}