{"product_id":"accupro-75283986-vnmg331-carbide-turning-insert-acp25m","title":"Accupro 75283986 VNMG331 Carbide Turning Insert ACP25M","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 75283986 is a VNMG-style carbide turning insert designed for precision external turning operations on CNC and manual lathes. Built to ANSI code VNMG331 and ISO code VNMG160404, this insert features a 35-degree diamond (rhombic) shape with a neutral hand orientation and a CVD coating applied over a carbide substrate. The ACP25M grade delivers high wear resistance across a broad range of cutting conditions. With 4 usable cutting edges and a negative side clearance geometry, this insert is suited for stable, productive turning in production and job shop environments. Licensed machinists and CNC operators install and index these inserts as part of standard tooling maintenance.\u003c\/p\u003e\u003cp\u003eThis insert is intended for turning steel (P), stainless steel (M), and cast iron (K) workpiece materials. It carries a WM+ chip breaker designation, which is optimized to control chip flow across varying feed and depth conditions typical of general-purpose turning. The maximum depth of cut is 4.00 mm (0.1575 inches), making it appropriate for medium finishing to light roughing passes. It fits toolholders designed for VNMG-style inserts with compatible pocket geometry and clamping systems including clamp, lever lock, pin, and screw holding methods.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eANSI code VNMG331 and ISO code VNMG160404 for standardized toolholder compatibility\u003c\/li\u003e\n\u003cli\u003eCVD-coated ACP25M carbide grade for high wear resistance across steel, stainless steel, and cast iron\u003c\/li\u003e\n\u003cli\u003e35-degree diamond insert shape with neutral hand for versatile turning setups\u003c\/li\u003e\n\u003cli\u003e4 cutting edges per insert to maximize tooling economy\u003c\/li\u003e\n\u003cli\u003eWM+ chip breaker for reliable chip control across a range of feed rates and depths\u003c\/li\u003e\n\u003cli\u003eCompatible with clamp, lever lock, pin, and screw insert holding methods\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as an OEM-style replacement insert for VNMG-style external turning toolholders accepting ANSI VNMG331 or ISO VNMG160404 insert geometry with negative side clearance and M-tolerance class.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before indexing or replacing inserts. Seat the insert fully into the toolholder pocket before engaging the clamping mechanism, and verify the cutting edge is correctly positioned before resuming operation. Do not use damaged or chipped inserts, as they can cause unpredictable tool failure and workpiece damage.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: VNMG331\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: VNMG160404\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: VNMG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: V - Diamond (Rhombic) 35-Degree\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: ACP25M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: CVD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: WM+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 0 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Clearance\u003c\/strong\u003e: Negative\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearance Code\u003c\/strong\u003e: N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.40 mm (0.0157 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 9.53 mm (0.3752 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 4.76 mm (0.1874 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1512 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 4.00 mm (0.1575 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel (P), Stainless Steel (M), Cast Iron (K)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Clamp, Lever Lock, Pin, Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Order Quantity\u003c\/strong\u003e: 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.03 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ACCUPRO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 75283986\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51733685993778,"sku":"75283986","price":235.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5626bec2a8222a2b49bc29e00f55be6c_4aee327c-f84f-4740-9448-bbe49b673505.jpg?v=1788758146","url":"https:\/\/voomisupply.com\/products\/accupro-75283986-vnmg331-carbide-turning-insert-acp25m","provider":"Voomi Supply","version":"1.0","type":"link"}