{"product_id":"5890-1-1-4-90","title":"Robert Charles Deburring Tools Through Hole - Zero Flute - Imperial 90° - 1.1\/4 Head Diameter","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Robert Charles Through Hole Deburring Tool with Zero Flute and Imperial 90° geometry is designed for fast, accurate deburring, chamfering, and light countersinking of through holes. With a 1-1\/4\" head diameter, it reaches tight hole locations to leave clean, consistent edges in a single pass.\n\u003c\/p\u003e\n\u003cp\u003e\nManufactured from cobalt-infused M35 HSS-E, this tool delivers exceptional wear resistance, high heat tolerance, and extended tool life—qualities you need for demanding engineering and high‑volume production environments.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eZero-flute geometry for fast, clean deburring\u003c\/b\u003e: The zero-flute design minimizes burr formation and improves chip clearance, enabling quicker passes and smoother finishes on through holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCobalt-enhanced M35 HSS-E construction\u003c\/b\u003e: This durable material resists wear and heat, delivering reliable performance and longer life in tough metals and busy workcells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e1-1\/4\" head diameter with 90° through-hole fit\u003c\/b\u003e: Optimized for through-holes, the head size and angle produce consistent chamfers and light countersinking across a range of hole sizes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nTogether, these features help you finish holes faster with repeatable results, reduce rework, and maintain steady productivity in demanding manufacturing and engineering environments.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Robert Charles","offers":[{"title":"Default Title","offer_id":43418553581646,"sku":"5890-1.1\/4-90","price":159.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/ZERO_FLUTE_DEBURRING_TOOLS_013a510b-7178-4b28-b660-59643f97a118.png?v=1770029150","url":"https:\/\/www.protool-ltd.co.uk\/products\/5890-1-1-4-90","provider":"Protool Precision Tools","version":"1.0","type":"link"}