{"product_id":"hertel-1000174-left-hand-mtfn-indexable-turning-toolholder","title":"Hertel 1000174 Left Hand Mtfn Indexable Turning Toolholder","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe HERTEL 1000174 is a left-hand MTFN-style indexable turning toolholder designed for negative-rake external turning operations on CNC lathes and manual turning centers. Built from steel with a 1 x 1 inch square shank and a 6 inch overall length, this toolholder accepts TN..43. series triangular inserts secured by a clamp and screw holding method. The negative 5-degree rake angle is suited for machining harder workpiece materials where edge strength and controlled chip formation are priorities. A licensed machinist or CNC turning specialist installs and operates this toolholder in production or job-shop turning environments.\u003c\/p\u003e\u003cp\u003eThis toolholder fits standard left-hand MTFN toolholder applications requiring a 1 x 1 inch shank profile. The head length measures 1.22 inches and the back-of-bar to cutting edge dimension is 1.25 inches, providing consistent tool reach and positioning in a turning setup. The insert inscribed circle is 0.375 inches, compatible with 3\/8 inch TN..43. series triangular inserts. It is part of the Multi-Option series and is packaged individually as a single unit.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eLeft-hand MTFN toolholder style for external turning operations\u003c\/li\u003e\n\u003cli\u003eNegative 5-degree rake angle for edge strength on harder materials\u003c\/li\u003e\n\u003cli\u003e1 x 1 inch steel shank, 6 inches overall length\u003c\/li\u003e\n\u003cli\u003eClamp and screw insert holding method for secure, repeatable insert seating\u003c\/li\u003e\n\u003cli\u003eAccepts TN..43. triangular inserts with 0.375 inch inscribed circle\u003c\/li\u003e\n\u003cli\u003eNo coolant-through feature; designed for standard external flood or dry cutting applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eCompatible with TN..43. series triangular inserts, specifically TN.. 322 insert geometry. Designed for use in standard left-hand MTFN-style toolholder seats on CNC lathes and turning centers accepting a 1 x 1 inch square shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before mounting or changing the toolholder or insert. Ensure the shank is fully seated and clamped in the turret or tool block per the machine manufacturer's torque and clamping specifications. Inspect the clamp and screw mechanism for wear before each insert change.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eToolholder Style\u003c\/strong\u003e: MTFN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand of Holder\u003c\/strong\u003e: Left 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: -5 degrees\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: 1.22 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack of Bar to Cutting Edge\u003c\/strong\u003e: 1.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Inscribed Circle\u003c\/strong\u003e: 0.375 inches (3\/8 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Compatibility\u003c\/strong\u003e: TN..43. series (TN.. 322)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp and Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eToolholder Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.8 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Multi-Option\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\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: 1000174\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51745209057586,"sku":"1000174","price":238.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/e3636b1f3d2f31ccc422d250afc5554f.jpg?v=1788863400","url":"https:\/\/voomisupply.com\/products\/hertel-1000174-left-hand-mtfn-indexable-turning-toolholder","provider":"Voomi Supply","version":"1.0","type":"link"}