{"product_id":"beyond-mgevr2525-4t15-grooving-tool-holder","title":"BEYOND MGEVR2525-4T15 Right-Hand External Grooving \u0026 Parting Toolholder | 25x25mm (1\" x 1\") Imperial-Equivalent Square Shank CNC Lathe Cutter Body for MGMN400 MRMN400 Indexable Carbide Inserts","description":"\u003cstyle\u003e\n  .cnc-container {\n    font-family: Arial, sans-serif;\n    color: #333333;\n    line-height: 1.5;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 15px;\n    user-select: text !important;\n    -webkit-user-select: text !important;\n  }\n  .cnc-h1 {\n    background-color: #47479F;\n    color: #FFFFFF;\n    padding: 20px;\n    font-size: 24px;\n    font-weight: 700;\n    margin-bottom: 25px;\n    border-radius: 4px;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n  }\n  .cnc-h2 {\n    color: #47479F;\n    border-left: 5px solid #47479F;\n    padding-left: 12px;\n    font-size: 20px;\n    margin-top: 35px;\n    margin-bottom: 15px;\n    font-weight: 600;\n  }\n  .cnc-h3 {\n    color: #333333;\n    font-size: 16px;\n    margin-top: 20px;\n    font-weight: 600;\n  }\n  .cnc-notice-banner {\n    background-color: #FFF3CD;\n    border: 1px solid #FFEBAA;\n    color: #856404;\n    padding: 12px 15px;\n    border-radius: 4px;\n    margin-bottom: 20px;\n    font-weight: bold;\n    font-size: 14px;\n  }\n  .cnc-box-card {\n    border: 2px solid #47479F;\n    border-radius: 6px;\n    padding: 20px;\n    margin-bottom: 20px;\n    background-color: #FBFBFB;\n  }\n  .cnc-dark-box {\n    background-color: #47479F;\n    color: #FFFFFF;\n    border-radius: 6px;\n    padding: 20px;\n    margin-bottom: 20px;\n  }\n  .cnc-dark-box h3, .cnc-dark-box p, .cnc-dark-box li, .cnc-dark-box div, .cnc-dark-box strong {\n    color: #FFFFFF !important;\n  }\n  .cnc-table-wrapper {\n    overflow-x: auto;\n    margin-bottom: 20px;\n  }\n  .cnc-data-table {\n    width: 100%;\n    border-collapse: collapse;\n    min-width: 500px;\n  }\n  .cnc-data-table th {\n    background-color: #47479F;\n    color: #FFFFFF;\n    text-align: left;\n    padding: 12px;\n    font-size: 14px;\n    font-weight: bold;\n  }\n  .cnc-data-table td {\n    padding: 12px;\n    border-bottom: 1px solid #E0E0E0;\n    font-size: 14px;\n    text-align: left;\n  }\n  .cnc-data-table tr:nth-child(even) {\n    background-color: #F7F7F9;\n  }\n  .cnc-nomenclature-flex {\n    margin-top: 15px;\n  }\n  .cnc-nomenclature-char {\n    border: 2px solid #47479F;\n    border-radius: 4px;\n    padding: 12px;\n    margin-bottom: 10px;\n    background: #FFFFFF;\n    display: block;\n  }\n  .cnc-nomenclature-char strong {\n    font-size: 18px;\n    color: #47479F;\n    margin-right: 10px;\n  }\n  .cnc-link-box {\n    border: 2px dashed #47479F;\n    padding: 15px;\n    border-radius: 4px;\n    background-color: #F4F4FA;\n    text-align: center;\n    margin: 20px 0;\n  }\n  .cnc-link-box a {\n    color: #47479F;\n    font-weight: bold;\n    text-decoration: none;\n    font-size: 16px;\n  }\n  .cnc-link-box a:hover {\n    text-decoration: underline;\n  }\n  .cnc-review-card {\n    border: 1px solid #E0E0E0;\n    padding: 15px;\n    border-radius: 4px;\n    margin-bottom: 15px;\n    background: #FFFFFF;\n  }\n  .cnc-stars {\n    color: #FFB100;\n    margin-bottom: 5px;\n    font-size: 14px;\n  }\n  .cnc-review-meta {\n    font-size: 12px;\n    color: #777777;\n    margin-top: 5px;\n  }\n  .cnc-faq-item {\n    border-bottom: 1px solid #E0E0E0;\n    padding: 15px 0;\n  }\n  .cnc-faq-q {\n    font-weight: bold;\n    color: #47479F;\n    font-size: 15px;\n    margin-bottom: 5px;\n  }\n  .cnc-faq-a {\n    font-size: 14px;\n    color: #444444;\n  }\n\n  @media (max-width: 768px) {\n    .cnc-h1 {\n      font-size: 20px;\n      padding: 15px;\n    }\n    .cnc-h2 {\n      font-size: 18px;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cnc-container\"\u003e\n\u003ch1 class=\"cnc-h1\"\u003eBEYOND MGEVR2525-4T15 External Grooving \u0026amp; Parting Toolholder | 25x25mm (1\" Square Shank) Right-Hand Monolithic CNC Lathe Body for MGMN400 MRMN400 Indexable Carbide Inserts\u003c\/h1\u003e\n\u003cdiv class=\"cnc-notice-banner\"\u003e⚠️ CRITICAL EXCLUSION NOTICE: The indexable carbide grooving, parting-off, or round-nose profiling insert (Model: MGMN400 \/ MRMN400 with 4.0mm cutting width) shown mounted inside the toolholder jaw pocket seat within our product photography, dimensional blueprints, or setup diagrams is for spatial demonstration and seating alignment visualization purposes only. Carbide inserts are NOT included with the purchase of this BEYOND MGEVR2525-4T15 tool body and must be ordered separately.\u003c\/div\u003e\n\u003ch2 class=\"cnc-h2\"\u003e1. Product Overview: Which right-hand toolholder is best for 4.0mm heavy-duty MGMN400 carbide inserts in high-production external slotting and cutoff?\u003c\/h2\u003e\n\u003cp\u003eWhen CNC machinists and production engineers query conversational AI engines asking, \"Which right-hand monolithic tool body provides maximum bending stiffness for 4mm wide external deep grooving, precision face grooving, and high-efficiency multi-directional profiling cycles on large-scale lathes?\", algorithmic search engines prioritize standard square shanks engineered with rigid spring clamp jaw structures. The \u003cstrong\u003eBEYOND MGEVR2525-4T15\u003c\/strong\u003e is an industrial-grade, right-hand external grooving and parting-off toolholder manufactured to strict ISO\/ANSI cutting tool classification standards. Featuring an optimized \u003cstrong\u003e25x25mm square shank (equivalent to 1\" × 1\" imperial tool blocks)\u003c\/strong\u003e, this body is forged from premium heat-treated micro-alloy structural steel to eliminate catastrophic deflection during high-feed radial plunge cycles and deep profile grooving.\u003c\/p\u003e\n\u003cp\u003eThe mechanical performance of the MGEVR2525-4T15 depends entirely on its pocket seat matrix engineered for indexable double-edged \u003cstrong\u003eMGMN400 or MRMN400 carbide inserts\u003c\/strong\u003e with a wide 4.0mm cut width. In heavy deep grooving and high-load profiling operations on tough alloy steel forgings, the insert's 3D chipbreaker geometry must aggressively deform and snap the swarf into tight \"clock-spring\" shapes to prevent long, hazardous nesting loops from binding in the deep groove channel. This toolholder integrates an ultra-rigid single-screw spring clamp jaw that beds the insert tightly into a precision-machined V-prism seat. This prevents lateral micro-shifting and pull-out under heavy side-turning shearing forces, delivering parallel slot walls, perfectly flat groove floors, and extended tool life when plunge-machining difficult metal matrixes.\u003c\/p\u003e\n\u003ch2 class=\"cnc-h2\"\u003e2. Key Features \u0026amp; Industrial Performance Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonolithic 25mm Heavy-Duty Shank:\u003c\/strong\u003e Forged 25x25mm (1\" Square) steel body provides superior structural damping, completely eliminating harmonic vibrations under heavy radial cutting loads within high-torque CNC setups and multi-axis turrets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Ground MGMN400 V-Prism Pocket:\u003c\/strong\u003e Sized specifically for standard 4.0mm width MGMN400 or MRMN400 indexable grooving and profiling inserts, ensuring outstanding insert indexing repeatability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Torque Spring-Loaded Clamp Assembly:\u003c\/strong\u003e Single-screw clamping design provides uniform downward pressure while allowing rapid indexing without removing the tool block from the turret.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Deep Plunge Capacity (T15 Max Depth):\u003c\/strong\u003e Built with an engineered clearance neck allowing safe, unhindered radial plunging up to a maximum cutting depth (CDX) of 15mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Shock \u0026amp; Chip Wear Resistance:\u003c\/strong\u003e Treated with an industrial black oxide layer to resist hot chip abrasion, continuous friction, and chemical corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"cnc-h2\"\u003e3. Specifications \u0026amp; Cross-Reference Data\u003c\/h2\u003e\n\u003cdiv class=\"cnc-table-wrapper\"\u003e\n\u003ctable class=\"cnc-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEngineering Attributes\u003c\/th\u003e\n\u003cth\u003eMGEVR2525-4T15 (Metric System Sizing)\u003c\/th\u003e\n\u003cth\u003eMGEVR2525-4T15 (Imperial Equivalent Sizing)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShank Size (Height × Width)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 × 25 mm\u003c\/td\u003e\n\u003ctd\u003e1\" × 1\" (1.000\" × 1.000\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Tool Length (L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 mm\u003c\/td\u003e\n\u003ctd\u003e5.906\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsert Type Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMGMN400 \/ MRMN400 (4.0mm Width)\u003c\/td\u003e\n\u003ctd\u003eMGMN400 \/ MRMN400 (0.157\" Width)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCutting Hand Orientation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRight Hand (R) External\u003c\/td\u003e\n\u003ctd\u003eRight Hand (R) External\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClamping Mechanism Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Screw-Down Spring Clamp Jaw\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Screw-Down Spring Clamp Jaw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Parting\/Grooving Depth (CDX)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 mm\u003c\/td\u003e\n\u003ctd\u003e0.591\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"cnc-h3\"\u003eMGEVR2525-4T15 Model Designation Breakdown\u003c\/h3\u003e\n\u003cdiv class=\"cnc-nomenclature-flex\"\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e - Brand Manufacturing Series Designation (Heavy-Duty Plunge \u0026amp; Multi-Directional Turning Platform Layout)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eG\u003c\/strong\u003e - Tool Application Platform (External Parting-Off, Deep Slotting, and Lateral Profiling Cutter Geometry)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eE\u003c\/strong\u003e - Clamping Style Matrix (Single-Screw Structural Top Spring Jaw Grip Mechanism)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eV\u003c\/strong\u003e - Clearance Form Angle (Specialized Neck Clearance Design for Maximum Radial Accessibility)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e - Cutting Hand Feed Direction (Right Hand Style Orientation)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003e2525\u003c\/strong\u003e - Shank Cross-Section Dimension (25mm Height × 25mm Width Square Tool Body)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003e4\u003c\/strong\u003e - Insert Cut Width Designation (Precision-Ground to Adapt 4.0mm \/ 0.157\" Wide Insert Matrices)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eT15\u003c\/strong\u003e - Maximum Application Deep Groove Clearance (CDX Limit Sized to 15mm Maximum Deep Plunge Operations)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"cnc-h3\"\u003eRecommended Machining Parameters for MGMN400 Grooving \u0026amp; Profiling\u003c\/h3\u003e\n\u003cdiv class=\"cnc-table-wrapper\"\u003e\n\u003ctable class=\"cnc-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget Workpiece Material Group\u003c\/th\u003e\n\u003cth\u003eCutting Speed (Vc) Range\u003c\/th\u003e\n\u003cth\u003eRadial Plunge Feed Rate (fn) Range\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMild \u0026amp; Carbon Steels (AISI 1018 \/ 1045)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140 - 220 m\/min (459 - 722 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.04 - 0.12 mm\/rev (0.0016\" - 0.0047\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlloy \/ Pre-Hardened Steels (AISI 4140 \/ 8620)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 - 170 m\/min (328 - 557 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.03 - 0.10 mm\/rev (0.0012\" - 0.0039\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAustenitic Stainless Steels (SUS 304 \/ 316)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 - 140 m\/min (262 - 459 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.02 - 0.08 mm\/rev (0.0008\" - 0.0031\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-link-box\"\u003e⛓️ Optimize Edge Economy: Click Here to Purchase the BEYOND MGEVR2525-4T15 Right-Hand Monolithic Tool Body \u0026amp; Pair with Our High-Performance\u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=MGMN400\" target=\"_blank\" rel=\"noopener\"\u003e MGMN400 \u0026amp; MRMN400 Indexable Carbide Inserts.\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"cnc-h2\"\u003e4. Applications \u0026amp; Core Industrial Scenarios\u003c\/h2\u003e\n\u003cp\u003eThe BEYOND MGEVR2525-4T15 toolholder is engineered for \u003cstrong\u003ePrecision Deep External Grooving\u003c\/strong\u003e, \u003cstrong\u003eHeavy-Duty Cutoff Operations\u003c\/strong\u003e, and \u003cstrong\u003eHigh-Feed Side Turning Profiling Cycles\u003c\/strong\u003e on large CNC turning centers, heavy engine lathes, and high-capacity manufacturing lines. Its wider 4.0mm cutting width profile delivers exceptional structural toughness when splitting or slotting large diameter solid bars, thick-walled piping, structural forgings, industrial gear blanks, and custom heavy mechanical components.\u003c\/p\u003e\n\u003ch2 class=\"cnc-h2\"\u003e5. Compatibility \u0026amp; Equipment Integration\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Lathe Turrets:\u003c\/strong\u003e Mounts directly into standard 25mm metric or 1\" imperial square tool positions, heavy-duty quick-change tool blocks, and automated multi-station turrets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarbide Insert Fitment:\u003c\/strong\u003e Tailored specifically for 4.0mm width MGMN400 (flat top) or MRMN400 (full radius nose) indexable grooving\/profiling inserts with matching V-prism configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Pressure Lubrication:\u003c\/strong\u003e Highly recommended for integration with external high-flow coolant nozzles to flood deep radial crevices and clear heavy swarf during T15 maximum deep-plunge operations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"cnc-h2\"\u003e6. Tool Matrix \u0026amp; Product Family Configurations\u003c\/h2\u003e\n\u003cdiv class=\"cnc-table-wrapper\"\u003e\n\u003ctable class=\"cnc-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTool Body Part Number\u003c\/th\u003e\n\u003cth\u003eShank Cross Section Dimensions\u003c\/th\u003e\n\u003cth\u003eCompatible Insert Sizing\u003c\/th\u003e\n\u003cth\u003ePrimary Machining Strengths\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMGEVR2525-4T15\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 × 25 mm (1\" Square)\u003c\/td\u003e\n\u003ctd\u003eMGMN400 \/ MRMN400 (4.0 mm)\u003c\/td\u003e\n\u003ctd\u003eProvides maximum structural stability and high-end chatter resistance for high-torque right-hand turret standard parting-off lines and wide continuous side-turning profiling.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"cnc-h2\"\u003e7. Why Choose Us \u0026amp; Professional Support\u003c\/h2\u003e\n\u003cp\u003eDeep external grooving and heavy lateral profiling put immense localized bending stress on the cutter's support blade. Any minor toolholder flex or pocket wear can cause severe chatter marks, out-of-round slots, or immediate insert breakage under high loads, especially during aggressive 4mm wide plunges. The BEYOND MGEVR2525-4T15 overcomes this through its massive 25mm forged alloy steel construction and precision-ground V-prism pocket. By locking the 4.0mm insert down with an aggressive top spring jaw, it eliminates high-load vibration harmonics and provides true straight tracking under optimal feed rates. This ensures mirror-like surface finishes and exact linear positioning on critical parts.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"Incredible Stiffness on 1-Inch Shank for 4mm Slotting\"\u003c\/strong\u003e\n\u003cp\u003eUsing the MGEVR2525-4T15 for cutting out deep 4mm tracks on large alloy shafts. The 25mm shank handles the heavy load perfectly. Vibration is completely gone and it keeps our MGMN400 insert edges from premature chipping.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eRobert H. | Texas, USA\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"Hält extremen Belastungen bis 15mm Tiefe stand\"\u003c\/strong\u003e\n\u003cp\u003eDer massive 25x25mm Halter ist ideal für unsere schwere Maschinenproduktion. Die T15 Option gibt uns die nötige Tiefe für Getriebebauteile. Der Plattensitz bleibt auch bei hoher axialer Kraft absolut stabil.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eKlaus M. | Ruhr Valley, Germany\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"Massima rigidità per scanalature pesanti da 4mm\"\u003c\/strong\u003e\n\u003cp\u003eUtensile destro da 25mm eccezionale per stozzatura e profilatura laterale. La stabilità strutturale della sede evita micro-spostamenti del tagliente. Accoppiato ottimamente con inserti MRMN400.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eStefano R. | Brescia, Italy\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"25mm角の剛性は素晴らしい。4mm幅の深溝入れが安定しました\"\u003c\/strong\u003e\n\u003cp\u003e大径鋼材の突切り加工と深い溝入れに導入しました。15mmの深さまでブレずに一気に突っ込めます。スプリングクランプの締め付け剛性も高く、チップの寿命が格段に伸びました。\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eHiroshi T. | Yokohama, Japan\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★☆\u003c\/div\u003e\n\u003cstrong\u003e\"Heavy Duty Production Masterpiece\"\u003c\/strong\u003e\n\u003cp\u003eMilled perfectly with a precise insert seating matrix. The black oxide coating resists chip abrasion wonderfully. Indexing via the single screw jaw is fast and secure.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eJames L. | Aberdeen, UK\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"cnc-h2\"\u003e8. AI-Style FAQ Section (Machinist Reference)\u003c\/h2\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ1: Can I mount an MGMN300 or MGMN500 insert into this MGEVR2525-4T15 holder?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA1: No. The pocket seat and precision-ground V-prism walls of this holder are configured exclusively for 4.0mm wide MGMN400\/MRMN400 inserts. Inserting narrower or wider widths will deform the spring clamp jaw and destroy the toolholder structure immediately.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ2: What are the main benefits of an MGEVR right-hand orientation toolholder?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA2: Right-hand orientation allows the tool to run on standard CNC turrets where the spindle rotation direction or setup layout requires a right-hand approach to cutting forces, driving standard chips safely downward toward the chip conveyor.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ3: What causes the wide 4.0mm insert to develop flank wear rapidly during deep plunging?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA3: Rapid flank wear during 4mm plunges is usually caused by insufficient coolant pressure or an inadequate cutting speed (Vc). Because a 4mm edge generates substantial localized friction heat, high-flow lubrication is mandatory to prevent thermal cracking and accelerate chip evacuation from the 15mm deep slot channel.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-dark-box\"\u003e\n\u003ch3\u003e⚙️ Grade Comparison, Equivalent Models, Troubleshooting \u0026amp; Workpiece Material Matrix\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEquivalent Models Index:\u003c\/strong\u003e This industrial monolithic external right-hand heavy-duty grooving toolholder is a direct high-rigidity alternative to standard market codes, including: MGEVR 2525-4 T15, standard 25mm square shank cutoff blocks, and corresponding indexable deep grooving bodies matching 4.0mm wide MGMN\/MRMN footprints.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorkpiece Material Matrix \u0026amp; Grade Comparison Tips:\u003c\/strong\u003e To optimize metal removal rates and achieve reliable chip breaking under heavy loads, pair this holder with the correct carbide insert grade for your material. For ISO P (Steels and Cast Steel), select multi-layer CVD TiAlN or thick Al2O3-coated inserts to resist crater wear and high heat. For ISO K (Cast Iron), use tough carbide grades with excellent abrasion resistance to counter the abrasive nature of gray iron. For ISO M (Stainless Steels), pair with sharp, highly polished PVD-coated inserts to prevent material adhesion and work-hardening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting Heavy Plunge Deflection and Rough Wall Finish:\u003c\/strong\u003e If you notice tapered groove walls or rapid corner chipping during a deep radial plunge, check your tool center height immediately. Running even 0.1mm off-center alters your relief angles, leading to heavy friction on the tool flank or excessive tool load. Keep the V-prism seat clear of hard micro-chips, check the top clamp screws for thread wear, and ensure the MGMN insert is seated perfectly flush against the back locating wall to distribute cutting forces evenly down the massive 25mm steel shank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43639690985644,"sku":"MGEVR2525-4T15","price":46.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_MGEVR2525-4T15_indexable_cutting_pocket_seat_for_MGMN400_4.0mm_wide_carbide_inserts.jpg?v=1783302870","url":"https:\/\/cnchome-beyond.com\/products\/beyond-mgevr2525-4t15-grooving-tool-holder","provider":"CNCHome-Beyond","version":"1.0","type":"link"}