{"product_id":"5770-10-1-64-over","title":"Robert Charles Plain Shank Counterbore M35-HSS-E 5% Cobalt - #10 Cap Screw Size - 0.205 Pilot Size","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Robert Charles Plain Shank Counterbore is a high-performance cutting tool built for machinists who demand precision and long life in metalworking. Crafted from M35-HSS-E with 5% cobalt, it delivers reliable heat resistance and wear performance for demanding counterboring tasks.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: M35-HSS-E with 5% cobalt for enhanced heat resistance and extended wear life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank Type\u003c\/b\u003e: Plain shank designed for straightforward fitment in standard tool holders, ensuring stable, reliable machining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePilot Size\u003c\/b\u003e: 0.205\" pilot provides precise starting alignment for accurate counterboring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap Screw Size Compatibility\u003c\/b\u003e: Sized for #10 cap screws to achieve flush, clean seating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCutting Geometry\u003c\/b\u003e: Precision-ground edges and flute design deliver clean counterbores with minimal burrs and reduced chatter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Ideal for precision engineering, automotive work, and general workshop counterboring where consistent depth and finish matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis counterbore is engineered to minimize downtime and maximize consistency. The cobalt-enhanced steel resists heat buildup during heavy cuts, extending tool life and delivering repeatable results across batches. Its plain shank fits securely in common tool holders, making it a dependable choice for projects that require exact depth control and a pristine finish on cap-screw assemblies.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43411727614030,"sku":"5770-10-1\/64 OVER","price":37.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/Robert_Charles_Counterbores_15d945e6-bbf0-4ec8-b04e-ec9712f1bb08.png?v=1769685293","url":"https:\/\/www.protool-ltd.co.uk\/products\/5770-10-1-64-over","provider":"Protool Precision Tools","version":"1.0","type":"link"}