{"product_id":"seco-00042505-mcmn-neutral-indexable-turning-toolholder","title":"Seco 00042505 Mcmn Neutral Indexable Turning Toolholder","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe SECO 00042505 is an MCMN-style neutral-hand indexable turning toolholder designed for right-hand cutting operations on CNC and manual lathes. Built on the Multiple Lock clamping series, it accepts CN..43. style inserts with a 0.5000 inch inscribed circle and holds them at a zero-degree negative rake angle. The shank measures 1 inch wide by 1 inch tall with an overall length of 6 inches. The steel body is machined for consistent insert seating and repeatable tool positioning. Licensed HVAC technicians, machinists, and tool-room professionals handling turning applications will find this a dependable OEM-catalog option for general-purpose stock removal.\u003c\/p\u003e\u003cp\u003eThis toolholder is suited for turning operations across a broad range of workpiece materials including steel, cast iron, stainless, non-ferrous alloys, and heat-resistant superalloys, reflecting the universal H, K, M, N, P, and S material codes. The right-hand cutting direction and neutral holder orientation make it compatible with standard front-turning and facing setups. With a head length of 1.39 inches and a back-of-bar to cutting edge distance of 0.5 inches, it fits common OD turning positions on most production lathes. Coolant-through capability is not included in this configuration.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMCMN toolholder style with neutral hand orientation for right-hand cutting\u003c\/li\u003e\n\u003cli\u003eAccepts CN..43. inserts with a 0.5000 inch (1\/2 inch) inscribed circle\u003c\/li\u003e\n\u003cli\u003eZero-degree negative rake angle for stable, heavy-duty cutting passes\u003c\/li\u003e\n\u003cli\u003eMultiple Lock clamping series for secure, repeatable insert retention\u003c\/li\u003e\n\u003cli\u003eSteel shank construction, 1 inch x 1 inch cross-section, 6 inches overall length\u003c\/li\u003e\n\u003cli\u003eUniversal workpiece material compatibility: H, K, M, N, P, S codes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with CN..43. style indexable inserts. Manufacturer catalog number MCMNN164 is associated with this toolholder. Verify insert inscribed circle of 0.5000 inches and CN43 insert size code before ordering replacement inserts.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or toolroom technicians. Secure the toolholder in the lathe turret or tool post to the machine manufacturer's specified torque before operating. Ensure the machine spindle is fully stopped and the lathe is locked out prior to inserting or indexing cutting inserts. Follow insert manufacturer guidelines for seating the CN..43. insert and tightening the clamping screw to prevent insert movement during cuts.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eToolholder Style\u003c\/strong\u003e: MCMN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand of Holder\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRake Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Compatibility\u003c\/strong\u003e: CN..43.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Insert Size Code\u003c\/strong\u003e: CN43\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Inscribed Circle\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Width\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Height\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 6 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Length\u003c\/strong\u003e: 1.39 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack of Bar to Cutting Edge\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToolholder Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Multiple Lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Universal (H, K, M, N, P, S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Tool Application\u003c\/strong\u003e: Turning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Catalog Number\u003c\/strong\u003e: MCMNN164\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SECO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 00042505\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51559935508786,"sku":"00042505","price":190.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/254583f109f198eef22fb799696432b8.jpg?v=1786444580","url":"https:\/\/voomisupply.com\/products\/seco-00042505-mcmn-neutral-indexable-turning-toolholder","provider":"Voomi Supply","version":"1.0","type":"link"}