{"product_id":"hertel-mr34-0268-281-chucking-reamer-0-68mm-carbide","title":"Hertel MR34-0268.281 Chucking Reamer 0.68mm Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL MR34-0268.281 is a solid carbide chucking reamer designed for precision hole finishing in close-tolerance machining applications. With a reamer diameter of 0.68 mm and a diameter tolerance of 0.0000 to +0.0003 mm, this tool delivers consistent, repeatable bore sizing across production runs. The 4-flute spiral configuration with a left-hand spiral direction and right-hand cutting action helps evacuate chips efficiently while maintaining a smooth cutting action. At 50 mm overall length with a 7 mm flute length, the tool is sized for shallow-bore finish reaming. It ships in a bright, uncoated finish and is intended for use by machinists and tool-and-die professionals.\u003c\/p\u003e\n\u003cp\u003eThis reamer is suited for precision finish reaming of small-diameter bores in metalworking environments, including CNC machining centers and manual lathes or mills equipped with a collet chuck or drill chuck. The straight shank makes it compatible with standard collet and chuck tooling. Typical applications include bearing seat finishing, dowel pin hole preparation, and close-tolerance bore sizing in ferrous and non-ferrous materials where surface finish and dimensional accuracy are critical.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e0.68 mm reamer diameter with a tight tolerance of 0.0000 to +0.0003 mm for precision bore sizing\u003c\/li\u003e\n  \u003cli\u003eSolid carbide construction for rigidity and wear resistance in demanding materials\u003c\/li\u003e\n  \u003cli\u003e4-flute spiral configuration with left-hand spiral and right-hand cut for efficient chip evacuation\u003c\/li\u003e\n  \u003cli\u003e50 mm overall length with 7 mm flute length suited for shallow-bore finish reaming\u003c\/li\u003e\n  \u003cli\u003eStraight shank for compatibility with standard collet and drill chuck toolholding systems\u003c\/li\u003e\n  \u003cli\u003eBright, uncoated finish — ready to use as supplied or adaptable to specific coating requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in standard straight-shank collet chucks and drill chucks on CNC machining centers, lathes, and milling machines requiring small-diameter precision finish reaming.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis tool should be installed by a qualified machinist familiar with small-diameter carbide tooling. Secure the straight shank firmly in a collet or drill chuck sized to the shank diameter before use. Carbide tooling is brittle — avoid side loads, interrupted cuts, or excessive runout, which can cause tool breakage. Set spindle speed and feed rate per established parameters for solid carbide reamers in the workpiece material being machined.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReamer Diameter\u003c\/strong\u003e: 0.68 mm (0.0268 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: 0.0000 to +0.0003 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 50 mm (1.9685 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 7 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpiral Direction\u003c\/strong\u003e: Left Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.1 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: HERTEL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MR34-0268.281\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51748619092274,"sku":"MR34-0268.281","price":89.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5283aa23f2b1a3f192b2f4486c58f3c1.jpg?v=1788895783","url":"https:\/\/voomisupply.com\/products\/hertel-mr34-0268-281-chucking-reamer-0-68mm-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}