{"product_id":"kennametal-1874250-milling-insert-mdhx1004zdfrgd4w-kc520m","title":"Kennametal 1874250 Milling Insert MDHX1004ZDFRGD4W KC520M","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe KENNAMETAL 1874250 is a solid carbide milling insert carrying ANSI and ISO designation MDHX1004ZDFRGD4W in the KC520M manufacturer grade. It is a parallelogram-shaped, single-sided insert with a positive rake geometry and a wiper cutting edge style. The insert features a PVD-applied TiAlN coating designed for wear resistance in demanding milling operations. With four cutting edges and a 15-degree relief angle, it delivers consistent edge performance across the full tool life. Machining professionals and tooling technicians install this insert in Fix-Perfect cutter bodies for face and shoulder milling applications.\u003c\/p\u003e\n\u003cp\u003eThis insert is engineered primarily for milling cast iron workpieces, corresponding to material grade K and material codes C1 and C2. Its wiper edge geometry produces improved surface finish in high-feed milling passes. The GD chip breaker designation supports controlled chip formation in interrupted and continuous cast iron cuts. The insert mounts via screw-holding method in compatible Fix-Perfect series cutter bodies and is suitable for production environments where consistent insert geometry and repeatable positioning are required. Right-hand cutting orientation applies.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide substrate with PVD TiAlN coating for extended wear life in cast iron milling\u003c\/li\u003e\n  \u003cli\u003eWiper cutting edge style improves surface finish at standard feed rates\u003c\/li\u003e\n  \u003cli\u003eFour usable cutting edges per insert maximizes tooling economy\u003c\/li\u003e\n  \u003cli\u003eGD chip breaker geometry supports controlled chip evacuation in cast iron\u003c\/li\u003e\n  \u003cli\u003ePositive rake, 15-degree relief angle reduces cutting forces\u003c\/li\u003e\n  \u003cli\u003eScrew-mount insert holding method ensures secure, repeatable seating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned for use in Fix-Perfect series cutter bodies accepting MDHX1004 insert size. Conforms to ANSI and ISO standards under designation MDHX1004ZDFRGD4W. Right-hand cutting orientation only.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed by qualified machining or tooling technicians. De-energize and lock out the spindle drive before changing inserts. Use the correct torx or hex key as specified by the cutter body manufacturer to seat the clamping screw — do not overtighten by feel alone; follow the cutter body manual for torque guidance. Inspect the insert pocket and seating surface for chips or debris before installing a new insert to ensure proper contact and runout.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eANSI\/ISO Code\u003c\/strong\u003e: MDHX1004ZDFRGD4W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Grade\u003c\/strong\u003e: KC520M\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Style\/Series\u003c\/strong\u003e: MDHX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Shape\u003c\/strong\u003e: Parallelogram\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: TiAlN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Process\u003c\/strong\u003e: PVD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Size Code\u003c\/strong\u003e: 1004\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e: 4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelief Angle\u003c\/strong\u003e: 15 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRake\u003c\/strong\u003e: Positive\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Edge Style\u003c\/strong\u003e: Wiper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChip Breaker\u003c\/strong\u003e: GD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Hand\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSingle or Double Sided\u003c\/strong\u003e: Single\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert Holding Method\u003c\/strong\u003e: Screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.187 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThickness Range\u003c\/strong\u003e: 0.185 to 0.200 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle\u003c\/strong\u003e: 0.4252 inches (1\/2 inch nominal)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInscribed Circle Range\u003c\/strong\u003e: 0.400 to 0.500 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 0.4252 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength Range\u003c\/strong\u003e: 0.400 to 0.450 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHole Diameter\u003c\/strong\u003e: 0.2146 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Cast Iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: C1, C2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutter Series Compatibility\u003c\/strong\u003e: Fix-Perfect\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.0147 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1 per package (minimum order quantity: 5)\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: KENNAMETAL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 1874250\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KENNAMETAL","offers":[{"title":"Default Title","offer_id":51755223056690,"sku":"1874250","price":267.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/062f59f5931d84e35bd920699a13460d.jpg?v=1788952362","url":"https:\/\/voomisupply.com\/products\/kennametal-1874250-milling-insert-mdhx1004zdfrgd4w-kc520m","provider":"Voomi Supply","version":"1.0","type":"link"}