{"product_id":"5855-1-4-82","title":"Robet Charles Imperial Piloted Countersink - 3 Flutes Integral Pilot Straight Shank - 1\/4 Pilot Diameter - 82° Inclusive Angle","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Robet Charles Imperial Piloted Countersink is a precision cutting tool designed for repeatable countersinking in high-accuracy machining. It features a 3-flute cutter and an integral pilot, delivering accurate hole entry, smooth cutting action, and reduced chatter for demanding applications in aerospace, automotive, and general engineering.\n\u003c\/p\u003e\n\u003cp\u003e\nWith an 82° included angle and a 1\/4 in pilot diameter, the pilot diameter is held to −0.0005 in to −0.0015 in, delivering consistently centered countersinks and concentric seating of fasteners for reliable, high-quality results across parts and setups.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIntegrated pilot with straight shank\u003c\/b\u003e: Keeps countersinks centered and aligns precisely with drilled holes, while the straight shank provides dependable mounting in standard milling and drilling setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThree-flute design for smooth cutting\u003c\/b\u003e: Delivers efficient material removal with reduced vibration for clean holes and better surface finish, even in tough metals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e1\/4 in pilot diameter with tight tolerance\u003c\/b\u003e: Held to -0.0005 in to -0.0015 in, ensuring concentric countersinks and repeatable seating across parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis countersink helps streamline production by delivering precise, repeatable countersinks on first pass, reducing setup time, minimizing scrap, and ensuring accurate fastener seating. Built to withstand demanding production environments, its robust design and tight tolerances support long tool life and consistent results across aerospace, automotive, and general engineering projects.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43418538082382,"sku":"5855-1\/4-82","price":45.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/Robert_Charles_Piloted_Countersink_acdbec03-40d8-4854-af65-353a2877bb6f.png?v=1770027954","url":"https:\/\/www.protool-ltd.co.uk\/products\/5855-1-4-82","provider":"Protool Precision Tools","version":"1.0","type":"link"}