{"product_id":"accupro-75289561-vbmt-carbide-turning-insert-vbmt331","title":"Accupro 75289561 Vbmt Carbide Turning Insert VBMT331","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe ACCUPRO 75289561 is a VBMT-style carbide turning insert designed for external and internal turning operations on CNC lathes and turning centers. The insert features a 35-degree diamond (rhombic) shape, a CVD coating in grade ACP25M, and a neutral hand orientation. With a 0.0315-inch corner radius and a positive side clearance, it is engineered for finishing and semi-finishing passes. The XM1+ chip breaker geometry controls chip flow across a range of feeds and depths, making this insert suitable for machinists and tool-room technicians running production turning applications.\u003c\/p\u003e\u003cp\u003eThis insert is suited for turning steel, stainless steel, and cast iron workpieces across light to moderate material removal applications. The ACP25M grade targets high wear-resistance in steel (P) and balanced wear-resistance with toughness in stainless steel (M) and cast iron (K) applications. Typical use cases include OD turning, facing, and light profiling in job shop and production environments. The screw-clamping insert-holding method is compatible with standard VBMT toolholders found in most CNC turning setups.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eVBMT insert style with 35-degree diamond shape for access to tight profiles and shoulders\u003c\/li\u003e\n\u003cli\u003eCVD-coated ACP25M carbide grade — high wear-resistance in steel, balanced performance in stainless and cast iron\u003c\/li\u003e\n\u003cli\u003eXM1+ chip breaker for controlled chip formation across a range of depths of cut\u003c\/li\u003e\n\u003cli\u003ePositive side clearance reduces cutting forces during light to moderate passes\u003c\/li\u003e\n\u003cli\u003eNeutral hand orientation fits right-hand and left-hand VBMT toolholders\u003c\/li\u003e\n\u003cli\u003eScrew-clamped insert-holding method for secure, repeatable seating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use in standard VBMT screw-clamp toolholders. ANSI insert code VBMT331; ISO insert code VBMT160404. Compatible with toolholders accepting a V-shape insert with a 0.1732-inch hole diameter and a 0.1874-inch insert thickness.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInsert installation and replacement should be performed by a qualified machinist or tooling technician. Power down and lock out the machine spindle before indexing or replacing inserts. Use the correct torque screwdriver for the insert clamping screw to avoid cracking the carbide substrate — do not over-tighten by hand or with standard hex keys unless the toolholder manufacturer specifies otherwise. Inspect the insert pocket and clamping screw for wear or debris before seating a new insert.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI Insert Code\u003c\/strong\u003e: VBMT331\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Insert Code\u003c\/strong\u003e: VBMT160404\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: VBMT\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\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\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0315 inches (0.80 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 35 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 5 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.1874 inches (4.76 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.3752 inches (9.53 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1732 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.0787 inches (2.00 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Clearance\u003c\/strong\u003e: Positive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: XM1+\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\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\u003eSeries\u003c\/strong\u003e: CI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 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: 75289561\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACCUPRO","offers":[{"title":"Default Title","offer_id":51737532596530,"sku":"75289561","price":221.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/55fba1d2a0976437a1a798ac5ade1f99.jpg?v=1788789915","url":"https:\/\/voomisupply.com\/products\/accupro-75289561-vbmt-carbide-turning-insert-vbmt331","provider":"Voomi Supply","version":"1.0","type":"link"}