{"product_id":"seco-00000166-turning-insert-vbmt21-52-f1-cp500-carbide","title":"Seco 00000166 Turning Insert VBMT21.52-F1 CP500 Carbide","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SECO 00000166 is a VBMT-style indexable turning insert in grade CP500, designed for precision metal cutting on CNC lathes and manual turning centers. The insert features a 35-degree diamond shape (V-style) with a positive rake geometry and an F1 chip breaker, making it well suited for finishing and light roughing passes. The TiAlN and TiN multilayer PVD coating delivers thermal resistance and edge hardness without compromising the sharp cutting edge. With a 0.25-inch inscribed circle and a 0.0315-inch corner radius, this insert is engineered for controlled chip formation and dimensional accuracy on tight-tolerance workpieces. Installed by machinists and toolroom technicians, it fits standard VBMT screw-lock toolholders.\u003c\/p\u003e\n\u003cp\u003eThis insert is primarily rated for stainless steel (ISO material group M, grades M10, M20, M30) and also performs in steel (P), cast iron (K), and super-alloys and titanium (S). Typical applications include back turning, facing, profiling, and general turning operations. The neutral hand orientation allows use in both right- and left-hand toolholder setups, adding flexibility in multi-operation setups. The sharp cutting edge style and positive rake angle reduce cutting forces, which is a practical advantage when machining work-hardening stainless grades or thin-wall components.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCP500 grade with multilayer TiAlN and TiN PVD coating for stainless steel and steel applications\u003c\/li\u003e\n  \u003cli\u003e35-degree diamond insert shape (V) with positive rake and F1 chip breaker for controlled chip evacuation\u003c\/li\u003e\n  \u003cli\u003e0.25-inch inscribed circle and 0.0315-inch corner radius for finish and semi-finish turning\u003c\/li\u003e\n  \u003cli\u003eMaximum depth of cut of 0.3543 inches supports a range of material removal rates\u003c\/li\u003e\n  \u003cli\u003eScrew-lock insert holding method for secure, repeatable indexing\u003c\/li\u003e\n  \u003cli\u003e2 cutting edges per insert; neutral hand suits both right- and left-hand toolholders\u003c\/li\u003e\n  \u003cli\u003eConforms to ANSI and ISO standards; ISO designation VBMT110208-F1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and standard insert for VBMT screw-lock toolholders conforming to ANSI and ISO VBMT insert seat specifications. Industry standard number VBMT21.52-F1; ISO code VBMT110208-F1. Verify toolholder seat geometry and insert size code 21.52 before ordering.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by a qualified machinist or toolroom technician. Power down and lock out the machine spindle before indexing or replacing inserts. Use the appropriate torx or hex key per the toolholder manufacturer specification to seat the screw-lock clamp; do not over-torque the clamping screw. Inspect the insert seat for chips or debris before seating a new insert to ensure proper contact and prevent premature edge failure.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\u003c\/strong\u003e: VBMT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: VBMT-F1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: CP500\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Diamond 35 (V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Angle\u003c\/strong\u003e: 35 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLead Angle\u003c\/strong\u003e: 35 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle (Clearance Code B)\u003c\/strong\u003e: 5 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: F1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Sharp\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Neutral\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.25 inches (6.35 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Length\u003c\/strong\u003e: 0.8716 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Thickness\u003c\/strong\u003e: 0.0937 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorner Radius\u003c\/strong\u003e: 0.0315 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.1142 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Depth of Cut\u003c\/strong\u003e: 0.3543 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiAlN and TiN (Multilayer PVD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiper Edge\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Radius\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Stainless Steel (M)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecondary Workpiece Materials\u003c\/strong\u003e: Steel (P), Cast Iron (K), Super-alloys and Titanium (S)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: M10, M20, M30\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTolerance Code\u003c\/strong\u003e: M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO Code\u003c\/strong\u003e: VBMT110208-F1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustry Standard Number\u003c\/strong\u003e: VBMT21.52-F1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Use Applications\u003c\/strong\u003e: Back Turning, Facing, Profiling, Turning\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1 per package\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: 0.12 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: SECO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 00000166\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SECO TOOLS","offers":[{"title":"Default Title","offer_id":51559750861106,"sku":"00000166","price":292.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/85ff4778ddce86e2a19cc05a6a4a6b75.jpg?v=1786439953","url":"https:\/\/voomisupply.com\/products\/seco-00000166-turning-insert-vbmt21-52-f1-cp500-carbide","provider":"Voomi Supply","version":"1.0","type":"link"}