{"product_id":"5770-1-2-1-32-over","title":"Robert Charles Plain Shank Counterbore M35-HSS-E 5% Cobalt - 1\/2 Cap Screw Size - 0.531 Pilot Size","description":"\u003cdiv\u003e\n\u003cp\u003eThe Robert Charles Plain Shank Counterbore is a precision tool built for engineers, machinists, and automotive technicians who demand reliable, clean counterbores in metal. Crafted from M35 HSS-E with 5% cobalt, it delivers outstanding heat resistance and wear life to sustain performance across challenging jobs.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: M35 HSS-E with 5% cobalt for enhanced heat resistance, wear life, and consistent cutting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eShank Type\u003c\/b\u003e: Plain shank design for straightforward fitment in standard tool holders, delivering stable, reliable machining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePilot Size\u003c\/b\u003e: 0.531\" pilot size to accurately guide the counterbore and ensure concentric results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCap Screw Size\u003c\/b\u003e: 1\/2\" cap screw size, suitable for common assembly and fixture setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGeometry\u003c\/b\u003e: Precision-fluted cutting edges designed for clean, true counterbores with minimal burrs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Ideal for precision engineering, automotive work, and general workshop tasks requiring durable, repeatable bore quality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its robust cobalt-infused HSS and stable plain shank, this counterbore tool helps you achieve accurate depth and smooth finishes in a variety of metals. Designed for repeatable performance, it reduces setup time and delivers dependable results across multiple jobs, from fixture work to fastener installations, making it a reliable choice for shops that value consistency and durability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43411728793678,"sku":"5770-1\/2-1\/32 OVER","price":109.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/Robert_Charles_Counterbores_2fc0c887-6edd-4767-862b-6ec2bf2fdef1.png?v=1769685368","url":"https:\/\/www.protool-ltd.co.uk\/products\/5770-1-2-1-32-over","provider":"Protool Precision Tools","version":"1.0","type":"link"}