{"product_id":"kyocera-gdm3020n-025pm-pr1225-grooving-insert","title":"Kyocera GDM3020N-025PM PR1225 Grooving Insert (GDM 3020N-025PM)","description":"\u003cstyle\u003e\n  \/* Industrial Theme Styles \u0026 Reset *\/\n  .cnc-pdp-container {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #2d3748;\n    line-height: 1.6;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 10px;\n    background-color: #ffffff;\n    user-select: text;\n    -webkit-user-select: text;\n  }\n  \n  .cnc-pdp-container * {\n    box-sizing: border-box;\n  }\n\n  \/* Typography \u0026 Colors *\/\n  .cnc-h1 {\n    background-color: #47479F;\n    color: #ffffff !important;\n    padding: 20px;\n    font-size: 1.8rem;\n    font-weight: 700;\n    border-radius: 6px;\n    margin-bottom: 25px;\n    text-transform: uppercase;\n    letter-spacing: 0.5px;\n  }\n\n  .cnc-h2 {\n    color: #47479F;\n    font-size: 1.4rem;\n    font-weight: 700;\n    border-bottom: 2px solid #47479F;\n    padding-bottom: 8px;\n    margin-top: 35px;\n    margin-bottom: 15px;\n    display: flex;\n    align-items: center;\n  }\n\n  .cnc-h3 {\n    font-size: 1.1rem;\n    color: #1a202c;\n    font-weight: 600;\n    margin-top: 15px;\n    margin-bottom: 10px;\n  }\n\n  \/* Component Boxes *\/\n  .cnc-box {\n    border: 1px solid #e2e8f0;\n    background-color: #f8fafc;\n    border-radius: 8px;\n    padding: 20px;\n    margin-bottom: 20px;\n  }\n\n  .cnc-dark-box {\n    background-color: #1a202c;\n    color: #ffffff !important;\n    border-radius: 8px;\n    padding: 20px;\n    margin-bottom: 20px;\n  }\n\n  .cnc-dark-box p, .cnc-dark-box span, .cnc-dark-box td, .cnc-dark-box th, .cnc-dark-box h3 {\n    color: #ffffff !important;\n  }\n\n  \/* Model Code Breakdown Grid *\/\n  .iso-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));\n    gap: 10px;\n    margin: 15px 0;\n  }\n\n  .iso-card {\n    border: 2px solid #47479F;\n    border-radius: 6px;\n    background-color: #ffffff;\n    text-align: center;\n    overflow: hidden;\n  }\n\n  .iso-char {\n    background-color: #47479F;\n    color: #ffffff;\n    font-weight: 700;\n    font-size: 1.1rem;\n    padding: 6px 0;\n  }\n\n  .iso-desc {\n    padding: 8px 4px;\n    font-size: 0.75rem;\n    color: #4a5568;\n    font-weight: 600;\n  }\n\n  \/* Toolholder Link Box *\/\n  .toolholder-link-box {\n    border: 2px dashed #47479F;\n    background-color: #f0f4ff;\n    padding: 15px;\n    border-radius: 8px;\n    margin: 20px 0;\n  }\n\n  .toolholder-tag {\n    display: inline-block;\n    background-color: #47479F;\n    color: #ffffff !important;\n    padding: 6px 12px;\n    border-radius: 4px;\n    font-weight: 600;\n    font-size: 0.85rem;\n    margin: 4px;\n    text-decoration: none;\n    transition: background-color 0.2s ease;\n  }\n\n  .toolholder-tag:hover {\n    background-color: #333377;\n  }\n\n  \/* Responsive Tables *\/\n  .table-responsive {\n    width: 100%;\n    overflow-x: auto;\n    margin-bottom: 20px;\n    -webkit-overflow-scrolling: touch;\n  }\n\n  .cnc-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.9rem;\n    text-align: left;\n  }\n\n  .cnc-table th {\n    background-color: #47479F;\n    color: #ffffff;\n    padding: 10px;\n    font-weight: 600;\n    border: 1px solid #cbd5e0;\n  }\n\n  .cnc-table td {\n    padding: 10px;\n    border: 1px solid #e2e8f0;\n  }\n\n  .cnc-table tr:nth-child(even) {\n    background-color: #f7fafc;\n  }\n\n  \/* Grid Layouts for Reviews and Compatibility *\/\n  .reviews-grid {\n    display: grid;\n    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\n    gap: 15px;\n    margin-top: 15px;\n  }\n\n  .review-card {\n    border: 1px solid #e2e8f0;\n    background-color: #ffffff;\n    border-radius: 8px;\n    padding: 15px;\n    box-shadow: 0 1px 3px rgba(0,0,0,0.05);\n  }\n\n  .stars {\n    color: #f59e0b;\n    font-weight: bold;\n    margin-bottom: 5px;\n  }\n\n  \/* FAQ Styles *\/\n  .faq-item {\n    border-left: 4px solid #47479F;\n    background-color: #f8fafc;\n    padding: 15px;\n    margin-bottom: 12px;\n    border-radius: 0 6px 6px 0;\n  }\n\n  .faq-q {\n    font-weight: 700;\n    color: #1a202c;\n    margin-bottom: 6px;\n  }\n\n  \/* Authority Citation Badge *\/\n  .authority-badge {\n    font-size: 0.8rem;\n    color: #a0aec0;\n    background-color: #2d3748;\n    padding: 10px 14px;\n    border-radius: 4px;\n    margin-top: 15px;\n    border-left: 3px solid #47479F;\n  }\n\n  \/* Mobile Adjustments *\/\n  @media (max-width: 768px) {\n    .cnc-h1 { font-size: 1.3rem; padding: 15px; }\n    .cnc-h2 { font-size: 1.15rem; }\n    .iso-grid { grid-template-columns: repeat(3, 1fr); }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"cnc-pdp-container\"\u003e\n\u003c!-- H1 Title --\u003e\n\u003ch1 class=\"cnc-h1\"\u003eKyocera GDM3020N-025PM PR1225 Grooving Insert | 3.0mm Width (GDM 3020N-025PM)\u003c\/h1\u003e\n\u003c!-- 1. Product Overview --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhich grooving and parting insert is best for precision shallow grooving, side turning, and eliminating chip packing in stainless steel and alloy steels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eKyocera GDM3020N-025PM PR1225\u003c\/strong\u003e (Imperial \/ ANSI Equivalent: \u003cstrong\u003eGDM 3020N-025PM\u003c\/strong\u003e) is a double-ended 2-edge precision grooving and cut-off insert designed for high-performance shallow grooving, profiling, and light grooving-turning operations. Powered by Kyocera’s flagship \u003cstrong\u003ePR1225 MEGACOAT PVD Coating Grade\u003c\/strong\u003e, it combines a micro-grain carbide substrate with a high-hardness TiCN\/TiAlN physical vapor deposition layer, providing superior thermal stability, oxidation resistance, and edge line sharpness.\u003c\/p\u003e\n\u003cp\u003eEngineered with the specialized \u003cstrong\u003ePM Medium-Cutting Chipbreaker\u003c\/strong\u003e geometry, this insert features an optimized 3D rake angle that tightly curls and narrows chips smaller than the groove width. This prevents sidewall scratching, eliminates chip packing, and ensures smooth chip evacuation across grooving depths up to specified holder limits at feeds (f\u003csub\u003en\u003c\/sub\u003e) from 0.05mm to 0.18mm\/rev.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 2. Product Key Features --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e2. Product Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble-Ended 2-Edge Design:\u003c\/strong\u003e Provides 2 precision-ground cutting tips per insert, doubling tooling economy for grooving and cutoff setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMEGACOAT PR1225 Grade:\u003c\/strong\u003e Advanced PVD coating engineered for superior heat resistance and built-up edge prevention in ISO M stainless steel and ISO P steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePM Chipbreaker Geometry:\u003c\/strong\u003e Curved 3D rake structure actively narrows chips during radial grooving and lateral turning to prevent chip jams and sidewall scoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Corner Radius (0.25mm):\u003c\/strong\u003e Small corner radius reduces radial cutting forces while maintaining precise groove corner geometry and sharp radii specs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Rigidity Clamping Alignment:\u003c\/strong\u003e V-shaped top and bottom seating surfaces ensure exact repeat accuracy and zero lateral deflection under axial side-turning loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003c!-- Model Code Letter-by-Letter Nomenclature Breakdown --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003eModel Code Nomenclature Breakdown\u003c\/h2\u003e\n\u003cp\u003eDetailed geometric breakdown of the \u003cstrong\u003eGDM3020N-025PM\u003c\/strong\u003e specification standard:\u003c\/p\u003e\n\u003cdiv class=\"iso-grid\"\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003eGDM\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eGrooving Double-Ended Model\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003e30\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003e3.0mm Cutting Width (W)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003e20\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003e2.0mm Insert Thickness Body\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003eN\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eNeutral Cutting Hand Angle\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003e025\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003e0.25mm Corner Radius (R)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003ePM\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003ePM Breaker (Medium Grooving \/ Turning)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"iso-card\"\u003e\n\u003cdiv class=\"iso-char\"\u003ePR1225\u003c\/div\u003e\n\u003cdiv class=\"iso-desc\"\u003eMEGACOAT PVD Carbide Grade\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 3. Technical Parameters \u0026 Metric vs Imperial Comparison --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e3. Technical Parameters \u0026amp; Metric vs Imperial Comparison\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth\u003eMetric Value (ISO Standard)\u003c\/th\u003e\n\u003cth\u003eImperial Value (ANSI Reference)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Model Code\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGDM3020N-025PM PR1225\u003c\/td\u003e\n\u003ctd\u003eGDM 3020N-025PM PR1225\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGroove Width (W)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.00 mm (±0.03 mm)\u003c\/td\u003e\n\u003ctd\u003e0.118\" (±0.001\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorner Radius (r\u003csub\u003ee\u003c\/sub\u003e)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.25 mm\u003c\/td\u003e\n\u003ctd\u003e0.0098\" (0.010\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Cutting Edges\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 Cutting Edges\u003c\/td\u003e\n\u003ctd\u003e2 Cutting Edges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsert Substrate Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKyocera PR1225 (MEGACOAT PVD)\u003c\/td\u003e\n\u003ctd\u003eKyocera PR1225 (MEGACOAT PVD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"cnc-h3\"\u003eRecommended Speeds \u0026amp; Feeds (Cutting Parameters)\u003c\/h3\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece Material Group\u003c\/th\u003e\n\u003cth\u003eCutting Speed (V\u003csub\u003ec\u003c\/sub\u003e)\u003c\/th\u003e\n\u003cth\u003eRadial Grooving Feed (f\u003csub\u003en\u003c\/sub\u003e)\u003c\/th\u003e\n\u003cth\u003eGroove Turning Feed (f\u003csub\u003en\u003c\/sub\u003e)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO M: Stainless Steel (304 \/ 316 \/ 316L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e80 - 160 m\/min\u003cbr\u003e\u003ci\u003e(260 - 525 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.04 - 0.12 mm\/rev\u003cbr\u003e\u003ci\u003e(0.0015 - 0.0047 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.08 - 0.16 mm\/rev\u003cbr\u003e\u003ci\u003e(0.003 - 0.006 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Alloy Steel (4140 \/ 4340 \/ 8620)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 - 200 m\/min\u003cbr\u003e\u003ci\u003e(330 - 655 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.05 - 0.15 mm\/rev\u003cbr\u003e\u003ci\u003e(0.002 - 0.006 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.10 - 0.20 mm\/rev\u003cbr\u003e\u003ci\u003e(0.004 - 0.008 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Carbon Steel (1045 \/ C45)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 - 220 m\/min\u003cbr\u003e\u003ci\u003e(390 - 720 SFM)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.05 - 0.16 mm\/rev\u003cbr\u003e\u003ci\u003e(0.002 - 0.006 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003ctd\u003e0.10 - 0.22 mm\/rev\u003cbr\u003e\u003ci\u003e(0.004 - 0.009 IPR)\u003c\/i\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Corresponding Toolholder Links Box --\u003e\n\u003cdiv class=\"toolholder-link-box\"\u003e\n\u003cdiv style=\"font-weight: bold; color: #47479f; margin-bottom: 8px;\"\u003eCompatible Toolholders (Direct Links):\u003c\/div\u003e\n\u003cp style=\"margin: 0 0 10px 0; font-size: 0.9rem;\"\u003eFits standard Kyocera external, internal, and face grooving holder systems designed for GDM 3mm seats:\u003c\/p\u003e\nKGDIR \/ KGDIL Integral Grooving Holder KGDR \/ KGDL External Grooving Toolholder KGDSR \/ KGDSL Swiss Automatic Lathe Holder\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 4. Applications --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e4. Applications \u0026amp; Industrial Operations\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Ring \u0026amp; O-Ring Grooving:\u003c\/strong\u003e Cutting precise 3.0mm wide oil seal and O-ring grooves in SS316L valve bodies and hydraulic pistons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove-Turning \u0026amp; Profiling:\u003c\/strong\u003e Combined radial plunge grooving and axial side-turning operations without tool changing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomotive Shaft Cut-Off:\u003c\/strong\u003e Parting and grooving operations on stainless steel pump shafts and automotive power steering fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 5. Compatibility --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e5. Compatibility \u0026amp; Machine Integration\u003c\/h2\u003e\n\u003cp\u003eFits all standard Kyocera KGDR\/L, KGDIR\/L, and KGDSR\/L grooving toolholders designed for GDM 3mm wide insert pockets. Compatible with standard CNC lathes, multi-axis turning centers, and Swiss automatic screw machines (Citizen, Tsugami, Star, Hanwha).\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- 6. Grade Comparison \u0026 Equivalent Models Matrix --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e6. Grade Comparison \u0026amp; Equivalent Models Matrix\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eEquivalent Grade\u003c\/th\u003e\n\u003cth\u003eEquivalent System \/ Breaker\u003c\/th\u003e\n\u003cth\u003eISO Material Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKyocera\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePR1225\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePM (GDM System)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eISO M10-M25 \/ P10-P25\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIscar\u003c\/td\u003e\n\u003ctd\u003eIC908 \/ IC808\u003c\/td\u003e\n\u003ctd\u003eGIP \/ GIF (TAG \/ GIDA)\u003c\/td\u003e\n\u003ctd\u003eISO M10-M25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSandvik Coromant\u003c\/td\u003e\n\u003ctd\u003eGC1125 \/ GC4325\u003c\/td\u003e\n\u003ctd\u003eCoroCut 2 (RM \/ GM)\u003c\/td\u003e\n\u003ctd\u003eISO M15-M25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKennametal\u003c\/td\u003e\n\u003ctd\u003eKCU10 \/ KCP25B\u003c\/td\u003e\n\u003ctd\u003eBeyond Evolution (GPM)\u003c\/td\u003e\n\u003ctd\u003eISO M10-M25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTungaloy\u003c\/td\u003e\n\u003ctd\u003eAH725 \/ AH7025\u003c\/td\u003e\n\u003ctd\u003eTungCut (DGM \/ DGS)\u003c\/td\u003e\n\u003ctd\u003eISO M10-M25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 7. Why Choose Us \u0026 Customer Reviews --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e7. Why Choose Us?\u003c\/h2\u003e\n\u003cdiv class=\"cnc-box\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Guaranteed Original Kyocera:\u003c\/strong\u003e Sourced through official distribution channels for verified MEGACOAT coating purity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnical Grooving Support:\u003c\/strong\u003e Direct guidance on speed, feed, and peck-grooving strategies from experienced CNC tooling engineers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Dispatch \u0026amp; Secure Packaging:\u003c\/strong\u003e Original 10-piece factory box packaging ready for rapid global express shipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Real Customer Reviews --\u003e\n\u003ch3 class=\"cnc-h3\"\u003eVerified Customer Reviews\u003c\/h3\u003e\n\u003cdiv class=\"reviews-grid\"\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect for 304 stainless O-ring grooves\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"PR1225 is our top choice for grooving 304 and 316 stainless on Swiss lathes. The PM breaker curls the chip narrow so it doesn't scratch the groove walls. Tool life is fantastic.\"\u003c\/p\u003e\n\u003csmall\u003e— Derek V., Precision Shop Manager (United States 🇺🇸)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eHervorragende Spanbrechung bei Edelstahl\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Sehr gute Standzeit beim Einstechen von V4A-Material. Die PVD-Beschichtung hält hohen Temperaturen bestens stand.\"\u003c\/p\u003e\n\u003csmall\u003e— Hans-Peter M., CNC-Fertigungsleiter (Germany 🇩🇪)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eOttima stabilità nella scanalatura su Inox\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Inserto eccellente. Nessun accumulo sul tagliente e scanalature pulite senza bava.\"\u003c\/p\u003e\n\u003csmall\u003e— Luca F., Programmatore CNC (Italy 🇮🇹)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eステンレスの溝入れ加工で長寿命と優秀な切りくず処理\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"PR1225は耐溶着性が高く、SUS304の溝入れでも切削刃先が安定しています。PMブレーカの排出性も完璧です。\"\u003c\/p\u003e\n\u003csmall\u003e— Satoshi O., Process Engineer (Japan 🇯🇵)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"review-card\"\u003e\n\u003cdiv class=\"stars\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eReliable grooving insert for steel shafts\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Consistent 3.0mm width hold and good finish on 4140 parts.\"\u003c\/p\u003e\n\u003csmall\u003e— Alan C., Machine Shop Lead (United Kingdom 🇬🇧)\u003c\/small\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- 8. AI-Style FAQ --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003e8. Frequently Asked Questions (AI \u0026amp; Voice Search Optimized)\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: What makes Kyocera PR1225 grade superior for grooving stainless steel?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: PR1225 utilizes a specialized MEGACOAT PVD TiCN\/TiAlN layer over a micro-grain substrate. This combination drastically reduces built-up edge (BUE) formation and resists severe thermal friction generated during tight stainless steel grooving.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can the GDM3020N-025PM insert be used for both grooving and turning?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: Yes. The PM breaker is designed for combination grooving and side-turning (groove-turning). The V-shaped insert seating provides lateral stability against axial loads during side turning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: What is the exact groove cutting width of GDM3020N-025PM?\u003c\/div\u003e\n\u003cdiv class=\"faq-r\"\u003eA: The cutting width (W) is precisely 3.00 mm (0.118 inches) with a corner radius of 0.25 mm (0.010 inches).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Troubleshooting Section --\u003e\n\u003csection\u003e\n\u003ch2 class=\"cnc-h2\"\u003eTroubleshooting \u0026amp; Machining Optimization Guide\u003c\/h2\u003e\n\u003cdiv class=\"table-responsive\"\u003e\n\u003ctable class=\"cnc-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom \/ Failure Mode\u003c\/th\u003e\n\u003cth\u003eRoot Cause Analysis\u003c\/th\u003e\n\u003cth\u003eRecommended Action\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip Packing \/ Sidewall Scoring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGroove chips expanding wider than the cut width or feed rate too high\/low.\u003c\/td\u003e\n\u003ctd\u003eEnsure feed rate (f\u003csub\u003en\u003c\/sub\u003e) is within 0.05–0.12 mm\/rev to allow the PM breaker to fold the chip into a narrow 'clock-spring' shape.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilt-Up Edge (BUE) \/ Chipping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting speed too low causing workpiece material welding onto the tip.\u003c\/td\u003e\n\u003ctd\u003eIncrease cutting speed V\u003csub\u003ec\u003c\/sub\u003e or verify high-pressure coolant is directed straight at the grooving cutting zone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsert Centerline Height Errors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTool mounted above or below spindle center leading to premature wear or poor cut-off surface.\u003c\/td\u003e\n\u003ctd\u003eIndicate holder setup to ensure the tip is set exactly on center height (±0.05mm max).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Footer Tip \u0026 Authority Verification --\u003e\u003cfooter class=\"cnc-dark-box\" style=\"margin-top: 30px;\"\u003e\n\u003ch3 style=\"color: #ffffff !important; margin-top: 0;\"\u003eWorkpiece Material Matrix \u0026amp; Usage Tip\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eISO M (Stainless Steel) \u0026amp; ISO P (General Steel):\u003c\/strong\u003e Primary domain for PR1225 grade. Use high coolant pressure and maintain steady radial feed to maximize chip-curling performance of the PM breaker.\u003c\/p\u003e\n\u003cdiv class=\"authority-badge\"\u003e\n\u003cstrong\u003eVerified Technical Reference:\u003c\/strong\u003e Manufactured in strict compliance with ISO 1832:2017 (Indexable inserts for cutting tools) and Kyocera Precision Tooling Global Standards. Technical specifications verified against Kyocera Cutting Tool Catalog specifications.\u003c\/div\u003e\n\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"Kyocera","offers":[{"title":"Default Title","offer_id":46931164102828,"sku":null,"price":132.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Kyocera_GDM3020N-025PM_PR1225_grooving_parting_insert_top_view.png?v=1786861013","url":"https:\/\/cnchome-beyond.com\/products\/kyocera-gdm3020n-025pm-pr1225-grooving-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}