{"product_id":"335c-20-5-90","title":"Robert Charles DIN 3 Flute Countersink 90° - 20.5mm Head Diameter","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Robert Charles DIN 3 Flute Countersink 90° with a 20.5 mm head diameter is manufactured to DIN standards to produce precise 90° countersinks and chamfers with excellent surface finish. The three-flute cutting design delivers smooth, stable cutting with reduced vibration and enhanced chip evacuation, helping you achieve accurate, repeatable results across jobs.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDIN-compliant 90° countersink geometry\u003c\/b\u003e: Delivers precise 90° chamfers that meet DIN tolerances, ensuring consistent seating and clean finishes on every part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThree-flute design for smooth, stable cutting\u003c\/b\u003e: Reduces chatter and vibration while improving chip evacuation for cleaner holes and more repeatable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad material compatibility\u003c\/b\u003e: Performs reliably on steels, aluminum, and plastics, simplifying tooling and reducing the need for multiple countersinks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nBy combining DIN-standard precision, a stable 3-flute cut, and broad material compatibility, this countersink reduces setup time, minimizes rework, and delivers consistently clean countersinks and chamfers. It’s a dependable choice for engineers, maintenance technicians, and production teams who need reliable, repeatable results in everyday machining tasks.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43418549846094,"sku":"335C-20.5-90","price":46.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/STANDARD_COUNTERSINK_eabe096d-ffe0-4ad2-9069-5ff1b8cfc266.png?v=1770028719","url":"https:\/\/www.protool-ltd.co.uk\/products\/335c-20-5-90","provider":"Protool Precision Tools","version":"1.0","type":"link"}