{"product_id":"5760-m3","title":"Robert Charles Plain Shank Counterbore Standard Metric - M3","description":"\u003cdiv\u003e\n\u003cp\u003eThe Robert Charles Plain Shank Counterbore – Standard Metric (M3) is a precision counterboring tool built for engineers, machinists, and workshop setups that demand clean, repeatable holes and reliable bolt seating. Designed for metric hole standards, it delivers dependable performance across general machining, automotive work, and fabrication tasks.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSize\u003c\/b\u003e: Metric M3 counterbore compatible with standard metric hole dimensions for accurate depth and fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlain Shank\u003c\/b\u003e: Cylindrical, plain shank for straightforward mounting in common tool holders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCutting Quality\u003c\/b\u003e: Engineered to provide stable cutting action and clean bottom surfaces for consistent results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish and Build\u003c\/b\u003e: Polished exterior conveys durability and ease of handling in busy workshops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatility\u003c\/b\u003e: Suitable for a range of applications from general engineering to automotive maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Alignment\u003c\/b\u003e: Designed to maintain concentricity and repeatable performance across multiple parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis counterbore helps you achieve precise bolt seating with minimal setup time, delivering flush, level surfaces that improve assembly quality and part alignment. Ideal for projects that require tight tolerances and dependable repeatability, it’s a practical choice for production runs, prototyping, and routine repairs in mechanical workshops.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43411725975630,"sku":"5760-M3","price":40.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/Robert_Charles_Counterbores_9864ee0d-e581-43d3-aa6d-bb472ca16e50.png?v=1769685195","url":"https:\/\/www.protool-ltd.co.uk\/products\/5760-m3","provider":"Protool Precision Tools","version":"1.0","type":"link"}