{"product_id":"5845-4-0-100","title":"Robert Charles Metric Piloted Countersink - 3 Flutes - Integral Pilot - Straight Shank - 4.0mm Pilot Diameter - 100° Inclusive Angle","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Robert Charles Metric Piloted Countersink – 3 Flutes – Integral Pilot – Straight Shank is built for precise countersinking of metric pre-drilled holes. The integral pilot keeps the tool aligned with the hole, preventing wander and delivering clean, concentric bevels with minimal chatter. Designed for reliable, repeatable performance, it’s a practical choice for workshops, maintenance, and production machining.\n\u003c\/p\u003e\n\u003cp\u003e\nIts 3-flute cutting geometry delivers smooth cutting, excellent stability, and efficient chip evacuation, making it well suited to a wide range of materials including steel, aluminum, and plastics.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIntegral Pilot for Precise Alignment\u003c\/b\u003e: Keeps the countersink centered in the hole, reducing wander and rework while delivering consistent, concentric finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e3‑Flute Design for Smooth Cutting and Chip Evacuation\u003c\/b\u003e: Provides stable cuts with minimal vibration and quick debris removal for clean, high‑quality countersinks across multiple materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMetric Geometry: 4.0 mm Pilot Diameter, 100° Included Angle, Straight Shank\u003c\/b\u003e: Predictable, shop‑friendly performance with broad machine compatibility for standard metric applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis countersink supports faster setup, reliable results, and a smoother workflow by ensuring accurate alignment, stable cutting, and easy integration into existing tooling. It helps you achieve flush finishes with less downtime and consistent quality across production runs.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43418544996430,"sku":"5845-4.0-100","price":30.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/Robert_Charles_Piloted_Countersink_592eed49-59fa-497b-81cd-b82d669c0bf4.png?v=1770028174","url":"https:\/\/www.protool-ltd.co.uk\/products\/5845-4-0-100","provider":"Protool Precision Tools","version":"1.0","type":"link"}