{"product_id":"hertel-7000025-indexable-boring-bar-2-5-in-left-hand","title":"Hertel 7000025 Indexable Boring Bar 2.5 in Left Hand","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe HERTEL 7000025 is a left-hand A-MDUN indexable boring bar designed for internal diameter turning and boring operations on CNC lathes and machining centers. It accepts DN.. series inserts and features through-coolant capability via a 1\/4-18 NPT coolant hole thread, supporting extended tool life and chip evacuation in deep-bore applications. The steel shank measures 2 inches in diameter with an overall length of 16 inches and a minimum bore diameter of 2.5 inches. The negative rake geometry at a 5-degree rake angle and a -3-degree lead angle suit it to interrupted cuts and hard materials. Licensed machinists and tooling technicians install and set this bar as part of a precision boring setup.\u003c\/p\u003e\n\u003cp\u003eThis boring bar is suited for production and job-shop environments where accurate internal diameters are required in medium-to-large workpieces. The left-hand orientation makes it appropriate for specific spindle rotation and toolholder mounting configurations on horizontal or vertical turning centers. The 1.375-inch center-to-cutting-edge and back-of-bar-to-cutting-edge dimension supports predictable tool offset entry into the control. Through-coolant delivery keeps the cutting zone clear during long-reach boring passes.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eLeft-hand A-MDUN toolholder style accepts DN.. series indexable inserts\u003c\/li\u003e\n  \u003cli\u003eThrough-coolant design with 1\/4-18 NPT coolant port for active chip and heat management\u003c\/li\u003e\n  \u003cli\u003eNegative rake geometry (5-degree rake angle, -3-degree lead angle) for stability in interrupted and hard-material cuts\u003c\/li\u003e\n  \u003cli\u003e2-inch steel shank diameter provides rigidity in deep-bore reach applications\u003c\/li\u003e\n  \u003cli\u003eInsert secured by screw or clamp method for repeatable edge indexing\u003c\/li\u003e\n  \u003cli\u003e1\/2-inch insert inscribed circle with 3\/16-inch insert thickness for DN.. compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned to accept DN.. series indexable inserts with a 1\/2-inch inscribed circle and 3\/16-inch thickness, as specified by the A-MDUN toolholder standard. Verify left-hand orientation and shank diameter against your turret or boring head mounting before ordering.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis boring bar is installed by a qualified machinist or tooling technician. Before mounting, power down the machine and confirm spindle rotation direction matches the left-hand holder orientation. Torque insert clamping screws per the insert manufacturer specification using the appropriate torx or hex key. Connect the through-coolant supply to the 1\/4-18 NPT port and verify flow before running the first pass.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Bore Diameter\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHand of Holder\u003c\/strong\u003e: Left Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eToolholder Style\u003c\/strong\u003e: A-MDUN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Compatibility\u003c\/strong\u003e: DN..\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Inscribed Circle\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 3\/16 inch\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\u003eLead Angle\u003c\/strong\u003e: -3 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBack of Bar to Cutting Edge\u003c\/strong\u003e: 1.375 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCenter to Cutting Edge\u003c\/strong\u003e: 1.375 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw or Clamp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Hole Thread Size\u003c\/strong\u003e: 1\/4-18 NPT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 15 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: 7000025\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HERTEL","offers":[{"title":"Default Title","offer_id":51748167156018,"sku":"7000025","price":1013.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/11b1900157de7ab654d609ed4319cad5.jpg?v=1788889882","url":"https:\/\/voomisupply.com\/products\/hertel-7000025-indexable-boring-bar-2-5-in-left-hand","provider":"Voomi Supply","version":"1.0","type":"link"}