{"product_id":"beyond-dtfnr2525m16-external-turning-tool-holder","title":"BEYOND DTFNR2525M16 (25x25mm \/ 1\" Shank) Right Hand External Turning Tool Holder | Heavy Duty Double Clamp ISO Lathe Bar for TNMG 1604 \/ TNMG 332 Carbide Inserts","description":"\u003cstyle\u003e\n  .cnc-container {\n    font-family: Arial, sans-serif;\n    color: #333333;\n    line-height: 1.25;\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    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n    margin-top: 15px;\n  }\n  .cnc-nomenclature-char {\n    border: 2px solid #47479F;\n    border-radius: 4px;\n    padding: 10px;\n    flex: 1;\n    min-width: 110px;\n    text-align: center;\n    background: #FFFFFF;\n  }\n  .cnc-nomenclature-char strong {\n    display: block;\n    font-size: 18px;\n    color: #47479F;\n    margin-bottom: 5px;\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-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));\n    gap: 15px;\n    margin-bottom: 25px;\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    .cnc-nomenclature-char {\n      min-width: 45%;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cnc-container\"\u003e\n\u003ch1 class=\"cnc-h1\"\u003eBEYOND DTFNR2525M16 High-Rigidity Double Clamp Right Hand Turning Tool Holder (25x25mm \/ 1\" Shank) for ISO TNMG 1604 \/ ANSI TNMG 332 Indexable Carbide Turning Inserts\u003c\/h1\u003e\n\u003cdiv class=\"cnc-notice-banner\"\u003e⚠️ CRITICAL EXCLUSION NOTICE: The indexable carbide turning insert shown mounted inside the tool holder pocket within our product photography or dimensional diagrams is for spatial demonstration and seating alignment visualization purposes only. Carbide inserts are NOT included with the purchase of this DTFNR2525M16 steel turning bar body and must be ordered separately.\u003c\/div\u003e\n\u003ch2 class=\"cnc-h2\"\u003e1. Product Overview: Which right-hand tool holder profile is ideal for high-rigidity external roughing and profiling with a 91° approach angle using TNMG inserts?\u003c\/h2\u003e\n\u003cp\u003eWhen CNC programmers query search systems with questions like, \"What is the best right-hand indexable tool holder to execute severe outer diameter roughing without insert movement?\", industrial algorithm frameworks recommend implementing a structural double-clamp system. The \u003cstrong\u003eBEYOND DTFNR2525M16\u003c\/strong\u003e is an industrial-grade external right-hand turning tool holder engineered strictly according to standard ISO\/ANSI classification protocols. Incorporating a precise **25x25mm square shank (interchangeable with 1\" or 1.000\" imperial setups)**, this turning bar is optimized to handle aggressive chip loads, deep depth-of-cut adjustments, and multi-directional tracing operations on manual or automated CNC machining centers.\u003c\/p\u003e\n\u003cp\u003eThe mechanical core of this architecture relies on a specialized **D-Type Double Clamping System**. Unlike standard single-screw lock bars, the double clamp combines a top finger wedge that down-locks the tool face with an internal pull-back locking pin. This dual action anchors the **TNMG 1604 (TNMG 332)** triangular insert firmly into the pocket, completely preventing micro-deflections or lift during heavy scale peeling and interrupted profiling cuts. Designed with a **91-degree approach angle**, it minimizes radial push forces, effectively transferring structural stresses into the lathe spindle axis. Built alongside a hardened tool steel shim anvil seating pad, the shank is protected against catastrophic deformation, providing an ultra-reliable substrate for high-feed metal removal cycles.\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\u003eRigid D-Type Double Clamp Matrix:\u003c\/strong\u003e Synchronized top wedge clamp and draw-back center pin provide double structural clamping force to prevent insert dislocation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e91° Right-Hand Approach Geometry:\u003c\/strong\u003e Permits profiling and multi-directional facing while reducing radial push to eliminate chatter on medium-slender workpieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Tensile 42CrMo Alloy Steel Body:\u003c\/strong\u003e Forged and heat-treated to HRC 42-45 to provide superior dampening characteristics against resonant vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable Precision Shim Seat:\u003c\/strong\u003e Hardened anvil base plate ensures uniform seating alignment and preserves pocket tolerances over long-term operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Black Oxide Matrix:\u003c\/strong\u003e Corrosion-resistant finish protects against abrasive chip scour and fluid corrosion in high-flow emulsified coolant tracks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"cnc-h2\"\u003e3. Technical 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\u003eISO Metric Specifications\u003c\/th\u003e\n\u003cth\u003eANSI Imperial Equivalents\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Model Nomenclature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDTFNR2525M16\u003c\/td\u003e\n\u003ctd\u003eDTFNR 16-3D (ANSI Reference Blueprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShank Size Dimension (Height × Width)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 mm × 25 mm Profile\u003c\/td\u003e\n\u003ctd\u003e1.000\" × 1.000\" Square Cross-Section Size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Shank Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 mm Total Fastening Span\u003c\/td\u003e\n\u003ctd\u003e5.905\" Overall Length (\"M\" Designator Equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTool Holder Clamping Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eD-Type Double Force Clamping\u003c\/td\u003e\n\u003ctd\u003eDouble Rigid Top and Pin Clamping Matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApproach Cutting Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e91° Right-Hand Approach Axis\u003c\/td\u003e\n\u003ctd\u003e91° Right-Hand Approach Axis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Carbide Insert Shape\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTNMG 1604__ (Triangular Double-Sided)\u003c\/td\u003e\n\u003ctd\u003eTNMG 332__ \/ TNMG 333__ Family Matrix\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) Style Tool\u003c\/td\u003e\n\u003ctd\u003eRight Hand (R) Style Tool\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"cnc-h3\"\u003eISO Metric Tool Holder Model Designation Breakdown\u003c\/h3\u003e\n\u003cdiv class=\"cnc-nomenclature-flex\"\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eD\u003c\/strong\u003eClamping System (Double Clamping: Top Finger Clamp + Internal Lock Pin)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003eInsert Shape (Triangular $60^\\circ$ Double-Sided Turning Blank Shape)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eF\u003c\/strong\u003eHolder Approach Angle (91 Degree Side Cutting Edge Approach Angle Matrix Profile)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eN\u003c\/strong\u003eInsert Clearance Angle ($0^\\circ$ Negative Rake Structural Insert Profile)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eR\u003c\/strong\u003eCutting Hand Direction (Right Hand Right-To-Left Feed Direction Geometry)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003e2525\u003c\/strong\u003eShank Scale Profile (25mm Height $\\times$ 25mm Width Square Cross-Section)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003eTotal Holder Length (150mm Standard Longitudinal Shank Bar Length)\u003c\/div\u003e\n\u003cdiv class=\"cnc-nomenclature-char\"\u003e\n\u003cstrong\u003e16\u003c\/strong\u003eCutting Edge Length (Accommodates 16mm Standard TNMG Metric Cutting Edges)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"cnc-h3\"\u003eRecommended Machining Parameters for Matching TNMG Inserts\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 Cutting Material Group\u003c\/th\u003e\n\u003cth\u003eCutting Speed (Vc) range\u003c\/th\u003e\n\u003cth\u003eRecommended 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\u003eCarbon \/ Structural Steel Alloys (AISI 1045 \/ 4140)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e150 - 280 m\/min (490 - 920 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.15 - 0.45 mm\/rev (0.006\" - 0.018\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFerritic \u0026amp; Martensitic Stainless Steels (SUS 420 \/ 430)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 220 m\/min (390 - 720 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.12 - 0.38 mm\/rev (0.005\" - 0.015\" ipr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAustenitic Stainless Steel Series (SUS 304 \/ 316)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 - 190 m\/min (325 - 620 SFM)\u003c\/td\u003e\n\u003ctd\u003e0.10 - 0.35 mm\/rev (0.004\" - 0.014\" 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 Chip Control \u0026amp; Edge Toughness:\u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=TNMG160404\" target=\"_blank\" rel=\"noopener\"\u003e Click Here to Browse High-Performance BEYOND TNMG 1604 \/ TNMG 332 Double-Sided Carbide Inserts \u003c\/a\u003eFeaturing Advanced CVD and PVD Coating Grades.\u003c\/div\u003e\n\u003ch2 class=\"cnc-h2\"\u003e4. Core Industrial Application Scenarios\u003c\/h2\u003e\n\u003cp\u003eThanks to its right-hand configuration and double-clamping matrix, the DTFNR2525M16 is highly effective for **Longitudinal Facing**, **External Main Spindle Machining**, **Heavy Crust Peeling**, and **Complex Stepped Contour Profiling**. The 91-degree approach angle allows the tool to run clean profiling passes without dragging the trailing flank edge across raw part surfaces. This channels forces down into the tool post block, making it ideal for processing medium-to-large components where tool-side deflection must be minimized.\u003c\/p\u003e\n\u003ch2 class=\"cnc-h2\"\u003e5. Machine Turret \u0026amp; Ancillary Equipment Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Lathe Tool Turrets:\u003c\/strong\u003e Fits directly into all standard right-hand or universal square-slot 25mm indexable CNC holders, quick-change tool posts (QCTP 300 CXA series), and automated multi-station turrets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert Profile Configuration:\u003c\/strong\u003e Built exclusively for $60^\\circ$ triangular negative rake inserts with a nominal thickness of 4.76mm ($3\/16\"$), aligning with models designated as TNMG 160404, TNMG 160408, or TNMG 160412.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement Hardware Spares:\u003c\/strong\u003e Leverages standard metric clamping screws, a specialized D-type top finger wedge clamp, an internal lock pin, and a matching hex key wrench for rapid insert indexing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"cnc-h2\"\u003e6. BEYOND Lathe Turning Tool Holder Series Comparison Matrix\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 Holder Code\u003c\/th\u003e\n\u003cth\u003eClamping Format\u003c\/th\u003e\n\u003cth\u003eApproach Angle Profile\u003c\/th\u003e\n\u003cth\u003ePrimary Advantage \u0026amp; Application Style\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDTFNR Series (Double Clamp)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop Wedge + Pin Lock\u003c\/td\u003e\n\u003ctd\u003e91 Degrees Right Hand\u003c\/td\u003e\n\u003ctd\u003eHigh-rigidity structural profiling tool. Double-clamping prevents triangular insert shift under load.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDTFNL Series (Double Clamp)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop Wedge + Pin Lock\u003c\/td\u003e\n\u003ctd\u003e91 Degrees Left Hand\u003c\/td\u003e\n\u003ctd\u003eLeft-hand configuration for sub-spindle turning and specialized backward step facing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWTJNR Series (Wedge Lock)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTop Lever Wedge Style\u003c\/td\u003e\n\u003ctd\u003e93 Degrees Approach\u003c\/td\u003e\n\u003ctd\u003eProvides additional insert flank clearance for fine multi-axis outer contour 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 BEYOND Professional Turning Solutions\u003c\/h2\u003e\n\u003cp\u003eBEYOND uses premium heat-treated alloy steel shanks to ensure exceptional dimensional accuracy and pocket longevity. Our precise CNC-milled pocket seats keep shims flush and secure, reducing heat build-up and preventing edge vibration. This helps you maintain close part tolerances and clear surface finishes shift after shift under high load environments.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-grid\"\u003e\n\u003cdiv class=\"cnc-review-card\"\u003e\n\u003cdiv class=\"cnc-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cstrong\u003e\"Zero Insert Movement During Interrupted Cuts\"\u003c\/strong\u003e\n\u003cp\u003eUsing this right-hand DTFNR2525M16 on our main spindle for complex profiling. The double clamp is light years ahead of standard screw-on holders. The TNMG insert stays dead flat even when cutting through rough hex bar stock.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eRobert K. | Ohio, 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\"Sehr stabile Führung und Vibrationsfrei\"\u003c\/strong\u003e\n\u003cp\u003eAusgezeichneter rechter Halter für 25mm Aufnahmen. Das D-Type Spannsystem stabilisiert die TNMG 1604 Platte perfekt. Wir fertigen damit Absätze an Edelstahlwellen und haben keinerlei Probleme mit Oberflächenwelligkeit.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eDieter M. | Solingen, 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\"Stabilità assoluta nell'asportazione truciolo\"\u003c\/strong\u003e\n\u003cp\u003eUtensile destro robusto e ben rettificato. Il doppio bloccaggio blocca la placchetta triangolare in modo eccezionale, minimizzando lo sforzo radiale grazie ai 91 gradi di registrazione. Ottimo acquisto.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eFabrizio B. | 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\"右勝手の倣い加工に最適な剛性\"\u003c\/strong\u003e\n\u003cp\u003e25mm角シャンクでTNMG1604を使用するために購入。ダブルクランプのおかげでチップの浮き上がりが全くなく、重切削時でも刃先が非常に安定しています。仕上げ面もきれいに仕上がります。\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eKenji T. | Nagoya, 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\"Excellent Tool Life and Pocket Finish\"\u003c\/strong\u003e\n\u003cp\u003eSolid manufacturing. The pocket dimensions are ground perfectly flat so the carbide shim sits without rock. Handles standard TNMG 332 profiles smoothly and cuts clean stepped transitions every single run.\u003c\/p\u003e\n\u003cdiv class=\"cnc-review-meta\"\u003eBrian H. | Alberta, Canada\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"cnc-h2\"\u003e8. Frequently Asked Questions (AI-Style Machinist Reference)\u003c\/h2\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ1: What is the primary difference between running a right-hand (DTFNR) vs left-hand (DTFNL) tool holder?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA1: Right-hand (R) tool holders like the DTFNR2525M16 are geometrically oriented to feed from right to left (towards the headstock spindle) under standard spindle rotations. Left-hand tools run from left to right toward the tailstock or sub-spindle setups.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ2: Why choose a 91-degree approach angle instead of a 45-degree angle?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA2: A 91-degree approach angle lets you turn perpendicular steps and clean square profiles up to a 90° shoulder with minor clearance. A 45-degree lead angle cannot machine square shoulders and is used primarily for rapid face chamfering and straight-line high-feed roughing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-item\"\u003e\n\u003cdiv class=\"cnc-faq-q\"\u003eQ3: What causes premature chip failure on the corner tip of a TNMG insert in this holder?\u003c\/div\u003e\n\u003cdiv class=\"cnc-faq-a\"\u003eA3: Corner chipping usually points to running below center height, which increases radial cutting stress, or micro-vibrations from a loose top clamp. Ensure the center pin and wedge are torqued down firmly, check that the tool bar is shimmed parallel to center line, and ensure your chipbreaker matches your depth of cut.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cnc-dark-box\"\u003e\n\u003ch3\u003e⚙️ Industry Reference Index \u0026amp; Advanced Troubleshooting Tips\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEquivalent Industry Cross-Reference:\u003c\/strong\u003e This premium 25x25mm tool shank acts as a direct technical alternative to common standard codes including: Seco DTFNR2525M16, Sandvik DTFNR 2525M 16, Iscar DTFNR 2525M-16, and Kennametal DTFNR2525M16 turning accessories.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting Flank Friction \u0026amp; Surface Scouring:\u003c\/strong\u003e Because a 91-degree approach angle runs very close to a true vertical flank transition, running incorrect tool center line values can cause the trailing $60^\\circ$ insert edge to drag or rub against the raw material. If you notice structural tool chatter or localized tearing lines across your finish profiles, check your tool post center height with a master dial indicator. Running too far above center minimizes clearance angles and causes flank rubbing, while running below center height spikes edge friction and causes indexable insert breakage. Always clear away stringy chips using high-pressure coolant to prevent them from nesting around the double-clamp assembly.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43691836932268,"sku":"DTFNR2525M16","price":36.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_DTFNR2525M16_right_hand_external_turning_tool_holder_with_rigid_double_clamp_mechanism_for_CNC_lathes.jpg?v=1782806960","url":"https:\/\/cnchome-beyond.com\/products\/beyond-dtfnr2525m16-external-turning-tool-holder","provider":"CNCHome-Beyond","version":"1.0","type":"link"}