{"product_id":"335c8-3-90","title":"Robert Charles DIN 3 Flute Countersink 90° - 8.3mm Head Diameter","description":"\u003cdiv\u003e\n\u003cp\u003eThe Robert Charles DIN 3 Flute Countersink 90° is a precision cutting tool designed to create true 90-degree countersinks and clean chamfers. Manufactured to DIN standards, it delivers consistent geometry and a superior surface finish with an 8.3 mm head diameter for robust performance.\u003c\/p\u003e \u003cp\u003eWith a 3-flute design, this countersink provides smooth, stable cutting with reduced vibration and improved chip evacuation. It is suitable for a wide range of materials—steel, aluminium, and plastics—making it a versatile choice for engineering, maintenance, and production environments where reliability and precision matter.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDIN-standard precision\u003c\/b\u003e: Engineered to exact DIN specifications, giving consistent countersink diameter and angle and easy integration with standard drill setups for repeatable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThree-flute design for smooth cutting\u003c\/b\u003e: The 3-flute geometry reduces cutting forces and vibration, delivering a cleaner finish and reliable chip evacuation for fewer clog-ups during longer runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial versatility and durable edge\u003c\/b\u003e: Effective on steels, aluminium, and plastics, with robust edge geometry that resists wear, helping you complete more work without frequent tool changes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUsing this countersink, you can expect consistent depth and clean flush finishes across diverse materials, reducing rework and boosting throughput. The DIN-standard accuracy, combined with the stable 3-flute cutting action, translates to quicker setup, fewer tool changes, and improved surface quality—all contributing to a smoother workflow, higher first-pass results, and greater confidence in every machining task.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43418549551182,"sku":"335C8.3-90","price":21.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/STANDARD_COUNTERSINK_94aa0044-b6c1-4a1f-a02e-9769c0efd980.png?v=1770028683","url":"https:\/\/www.protool-ltd.co.uk\/products\/335c8-3-90","provider":"Protool Precision Tools","version":"1.0","type":"link"}