{"product_id":"lamina-tpun160308-lt30-tpun322-carbide-milling-insert","title":"LAMINA TPUN160308 LT30 (TPUN 322 LT30) Triangular Carbide Milling Inserts","description":"\u003c!-- LAMINA TPUN Series Product Detail Page --\u003e\n\u003cstyle\u003e\n  .lamina-wrapper {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Oxygen, Ubuntu, Cantarell, \"Fira Sans\", \"Droid Sans\", \"Helvetica Neue\", sans-serif;\n    color: #222222;\n    line-height: 1.6;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 15px;\n    box-sizing: border-box;\n  }\n  \n  \/* Heading Styles *\/\n  .lamina-h1-title {\n    background-color: #47479F;\n    color: #FFFFFF !important;\n    padding: 22px 20px;\n    border-radius: 8px;\n    font-size: 26px;\n    font-weight: 700;\n    margin-bottom: 25px;\n    text-align: center;\n    box-shadow: 0 4px 10px rgba(71, 71, 159, 0.2);\n  }\n  .lamina-h2-section {\n    color: #FFFFFF !important;\n    background-color: #47479F;\n    padding: 12px 18px;\n    border-radius: 6px;\n    font-size: 20px;\n    font-weight: 600;\n    margin-top: 35px;\n    margin-bottom: 20px;\n  }\n  \n  \/* Card Containers *\/\n  .lamina-box-card {\n    border: 1px solid #E0E0E8;\n    background-color: #FAFAFC;\n    padding: 20px;\n    border-radius: 8px;\n    margin-bottom: 20px;\n  }\n  .lamina-highlight-banner {\n    border-left: 5px solid #47479F;\n    background-color: #F0F0F8;\n    padding: 16px 20px;\n    margin: 20px 0;\n    border-radius: 0 6px 6px 0;\n  }\n  \n  \/* Responsive Tables *\/\n  .lamina-table-responsive {\n    overflow-x: auto;\n    margin-bottom: 25px;\n    -webkit-overflow-scrolling: touch;\n  }\n  .lamina-data-table {\n    width: 100%;\n    border-collapse: collapse;\n    text-align: left;\n    font-size: 14px;\n    min-width: 600px;\n  }\n  .lamina-data-table th {\n    background-color: #47479F;\n    color: #FFFFFF !important;\n    padding: 12px 14px;\n    border: 1px solid #47479F;\n    font-weight: 600;\n  }\n  .lamina-data-table td {\n    padding: 10px 14px;\n    border: 1px solid #E2E2E8;\n  }\n  .lamina-data-table tr:nth-child(even) {\n    background-color: #F4F4FA;\n  }\n\n  \/* ISO Code Explanatory Boxes *\/\n  .lamina-code-grid {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 10px;\n    margin: 20px 0;\n  }\n  .lamina-code-card {\n    border: 2px solid #47479F;\n    background-color: #FFFFFF;\n    padding: 12px 8px;\n    border-radius: 8px;\n    text-align: center;\n    flex: 1 1 110px;\n    box-sizing: border-box;\n  }\n  .lamina-code-card strong {\n    color: #47479F;\n    font-size: 18px;\n    display: block;\n    margin-bottom: 4px;\n  }\n  .lamina-code-card span {\n    font-size: 11px;\n    color: #555555;\n    line-height: 1.3;\n    display: block;\n  }\n\n  \/* Holder Link Callout Box *\/\n  .lamina-holder-callout {\n    border: 2px dashed #47479F;\n    background-color: #F0F0F8;\n    padding: 18px;\n    border-radius: 8px;\n    text-align: center;\n    margin: 22px 0;\n  }\n  .lamina-holder-callout a {\n    color: #47479F;\n    font-weight: bold;\n    text-decoration: underline;\n    font-size: 16px;\n  }\n\n  \/* Reviews Grid *\/\n  .lamina-reviews-grid {\n    display: flex;\n    flex-wrap: wrap;\n    gap: 15px;\n  }\n  .lamina-review-box {\n    border: 1px solid #E2E2E8;\n    border-radius: 8px;\n    padding: 16px;\n    background-color: #FFFFFF;\n    flex: 1 1 280px;\n    box-sizing: border-box;\n    box-shadow: 0 2px 5px rgba(0,0,0,0.03);\n  }\n  .lamina-review-stars {\n    color: #FFB400;\n    font-size: 16px;\n    margin-bottom: 6px;\n  }\n\n  \/* FAQ Section *\/\n  .lamina-faq-item {\n    border-bottom: 1px solid #E2E2E8;\n    padding: 14px 0;\n  }\n  .lamina-faq-item:last-child {\n    border-bottom: none;\n  }\n  .lamina-faq-q {\n    font-weight: bold;\n    color: #47479F;\n    margin-bottom: 6px;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"lamina-wrapper\"\u003e\n\u003c!-- Main H1 Header --\u003e\n\u003ch1 class=\"lamina-h1-title\"\u003eLAMINA TPUN160308 LT30 (TPUN 322 LT30) Triangular Carbide Milling Inserts\u003c\/h1\u003e\n\u003c!-- 1. Product Overview (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eAI Assistant Intent-Driven Search Query:\u003c\/strong\u003e \u003cem\u003e\"Which carbide milling insert is best for heavy-duty shoulder milling and face milling across steel, stainless steel, and cast iron with high impact resistance and low tool changeover time?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLAMINA TPUN160308 LT30\u003c\/strong\u003e (ANSI Designation: \u003cstrong\u003eTPUN 322 LT30\u003c\/strong\u003e) is a high-performance 60° positive-clearance triangular indexable carbide insert engineered for face milling, shoulder milling, and heavy-duty turning applications. Designed under strict ISO 1832 specifications, this insert features an 11° positive clearance angle (P) and a un-ground precision rake face (U) for low cutting forces and smooth chip formation.\u003c\/p\u003e\n\u003cp\u003ePowered by LAMINA's signature \u003cstrong\u003eLT30 grade\u003c\/strong\u003e—a sub-micron carbide alloy with multi-layer PVD\/CVD coating—this insert excels in universal \"Multi-Mat\" conditions. It offers high shock toughness for interrupted cuts, resistance to thermal cracking during wet milling, and extended tool life when machining carbon steel, stainless steel, and ductile cast iron.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 2. Key Features (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e2. Key Features\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Mat LT30 Universal Grade:\u003c\/strong\u003e Advanced sub-micron substrate with TiAlN\/TiN PVD multi-coating provides broad-spectrum performance across ISO P, M, and K materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11° Positive Clearance Angle (P):\u003c\/strong\u003e Dramatically lowers cutting resistance and spindle load, making it ideal for low-rigidity machines and long-overhang milling arbors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.8mm (1\/32\") Reinforced Corner Radius:\u003c\/strong\u003e Offers enhanced nose corner strength to withstand severe impact during rough shoulder milling and interrupted face milling cuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Thermal Fatigue Shock Resistance:\u003c\/strong\u003e Optimized grain boundary formulation prevents thermal micro-cracking when running under high-pressure coolant or dry cutting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Pin\/Clamp Lock Compatibility:\u003c\/strong\u003e Fits seamlessly into universal 60° face mills, shoulder milling cutters, and external turning toolholders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 3. Specifications \u0026 Parameters (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e3. Technical Specifications \u0026amp; ISO\/ANSI Coding Breakdown\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003ch3\u003eISO 1832 \u0026amp; ANSI B211.5 Model Designation Breakdown\u003c\/h3\u003e\n\u003cp\u003eDecoding every character in the \u003cstrong\u003eTPUN 160308 LT30\u003c\/strong\u003e designation:\u003c\/p\u003e\n\u003c!-- Visual Code Boxes --\u003e\n\u003cdiv class=\"lamina-code-grid\"\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e \u003cspan\u003eShape\u003cbr\u003e(Triangle 60°)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eP\u003c\/strong\u003e \u003cspan\u003eClearance Angle\u003cbr\u003e(11° Positive)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eU\u003c\/strong\u003e \u003cspan\u003eTolerance Class\u003cbr\u003e(Class U Utility)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eN\u003c\/strong\u003e \u003cspan\u003eFixing \/ Chipbreaker\u003cbr\u003e(Plain Flat Face)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003e16 \/ 3\u003c\/strong\u003e \u003cspan\u003eCutting Edge Length\u003cbr\u003e(16.5mm \/ 3\/8\" I.C.)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003e03 \/ 2\u003c\/strong\u003e \u003cspan\u003eInsert Thickness\u003cbr\u003e(3.18mm \/ 1\/8\")\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003e08 \/ 2\u003c\/strong\u003e \u003cspan\u003eCorner Radius\u003cbr\u003e(0.8mm \/ 1\/32\")\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eLT30\u003c\/strong\u003e \u003cspan\u003eCarbide Grade\u003cbr\u003e(Multi-Mat PVD)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Holder Link Callout --\u003e\n\u003cdiv class=\"lamina-holder-callout\"\u003e\n\u003cspan\u003eMatched Milling Cutters \u0026amp; Toolholders: \u003c\/span\u003e View Compatible LAMINA 60° Face Mills \u0026amp; Triangular Milling Tooling Bodies →\u003c\/div\u003e\n\u003ch3\u003eMetric vs. Imperial Technical Comparison Table\u003c\/h3\u003e\n\u003cdiv class=\"lamina-table-responsive\"\u003e\n\u003ctable class=\"lamina-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth\u003eMetric System (ISO Standard)\u003c\/th\u003e\n\u003cth\u003eImperial System (ANSI Standard)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Model Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTPUN160308 LT30\u003c\/td\u003e\n\u003ctd\u003eTPUN 322 LT30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInscribed Circle (I.C. \/ d)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.525 mm\u003c\/td\u003e\n\u003ctd\u003e0.375\" (3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInsert Thickness (S)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.18 mm\u003c\/td\u003e\n\u003ctd\u003e0.125\" (1\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorner Radius (r)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.8 mm\u003c\/td\u003e\n\u003ctd\u003e0.0312\" (1\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClearance Angle (Major)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11° Positive\u003c\/td\u003e\n\u003ctd\u003e11° Positive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCutting Edge Length (L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.5 mm\u003c\/td\u003e\n\u003ctd\u003e0.650\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRecommended Cutting Parameters (Feeds \u0026amp; Speeds)\u003c\/h3\u003e\n\u003cp\u003eTwo-column comparative parameters for milling and turning operations:\u003c\/p\u003e\n\u003cdiv class=\"lamina-table-responsive\"\u003e\n\u003ctable class=\"lamina-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eWorkpiece Material Group (ISO)\u003c\/th\u003e\n\u003cth\u003eRecommended Parameters (Cutting Speed Vc \u0026amp; Feed Fz\/Fn)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Unalloyed \u0026amp; Low Alloy Steel (\u0026lt; 280 HB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 150 - 260 m\/min (490 - 850 SFM)\u003cbr\u003eMilling Feed per Tooth (Fz): 0.10 - 0.25 mm\/tooth\u003cbr\u003eDepth of Cut (Ap): 1.0 - 4.5 mm (0.04\" - 0.18\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO M: Stainless Steel (304, 316, 410)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 110 - 190 m\/min (360 - 620 SFM)\u003cbr\u003eMilling Feed per Tooth (Fz): 0.08 - 0.20 mm\/tooth\u003cbr\u003eDepth of Cut (Ap): 0.8 - 3.5 mm (0.03\" - 0.14\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO K: Gray Cast Iron \u0026amp; Nodular Iron\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 130 - 220 m\/min (425 - 720 SFM)\u003cbr\u003eMilling Feed per Tooth (Fz): 0.12 - 0.28 mm\/tooth\u003cbr\u003eDepth of Cut (Ap): 1.0 - 4.0 mm (0.04\" - 0.16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO S: Heat-Resistant Alloys (Inconel \/ Titanium - Roughing)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 30 - 65 m\/min (100 - 210 SFM)\u003cbr\u003eMilling Feed per Tooth (Fz): 0.06 - 0.15 mm\/tooth\u003cbr\u003eDepth of Cut (Ap): 0.5 - 2.5 mm (0.02\" - 0.10\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 4. Applications (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e4. Product Applications\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003eLAMINA TPUN160308 LT30 inserts are tailored for versatile production machining:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Face \u0026amp; Shoulder Milling:\u003c\/strong\u003e Roughing to semi-finishing large flat surfaces on cast housings and forged steel blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupted Milling \u0026amp; Slotting:\u003c\/strong\u003e High-impact face milling across interrupted bolt-hole surfaces without chipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Lathe Turning:\u003c\/strong\u003e Light-duty turning and facing on low-rigidity manual or CNC lathes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 5. Compatibility (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e5. Compatible Equipment \u0026amp; Cutter Bodies\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003eTPUN 160308 \/ TPUN 322 inserts feature flat top-and-bottom surfaces suitable for wedge-clamp and top-clamp tooling:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndexable Milling Cutters:\u003c\/strong\u003e 60° face mills, shell mills, and end mills accepting ISO TPUN \/ TPKN 1603 inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurning Holders:\u003c\/strong\u003e Top-clamp turning holders (e.g., CTGPR \/ CTGPL, PTGNR \/ PTGNL series).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Milling Centers:\u003c\/strong\u003e Haas, Mazak, Doosan, Okuma, Makino, DMG MORI.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 6. Material Comparison (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e6. Material Grade Comparison\u003c\/h2\u003e\n\u003cdiv class=\"lamina-table-responsive\"\u003e\n\u003ctable class=\"lamina-data-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade Designation\u003c\/th\u003e\n\u003cth\u003eCoating Microstructure\u003c\/th\u003e\n\u003cth\u003eShock Resistance\u003c\/th\u003e\n\u003cth\u003eWear Resistance\u003c\/th\u003e\n\u003cth\u003ePrimary Workpiece Target\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLAMINA LT30 (Featured)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePVD TiAlN \/ TiN (Sub-Micron)\u003c\/td\u003e\n\u003ctd\u003eVery High\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003ctd\u003eUniversal P20-P40 \/ M20-M35 \/ K20-K35 (All Steels \u0026amp; Irons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLAMINA LT10\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePVD TiAlN (Fine Grain)\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003eVery High\u003c\/td\u003e\n\u003ctd\u003eFinishing to Light Roughing (P10-P25 \/ M10-M20)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard CVD ISO P30\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCVD TiCN + Al2O3\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003ctd\u003eHigh-speed dry continuous milling of carbon steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- 7. Why Choose Us \u0026 Customer Reviews (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e7. Why Choose LAMINA \u0026amp; Verified Global Customer Reviews\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe LAMINA Advantage:\u003c\/strong\u003e Engineered in Switzerland \/ Israel, LAMINA Technologies is globally acclaimed for its pioneer \"Multi-Mat\" grade technology. certified to ISO 9001 quality management benchmarks.\u003c\/p\u003e\n\u003ch3\u003eVerified Global B2B Customer Reviews\u003c\/h3\u003e\n\u003cdiv class=\"lamina-reviews-grid\"\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFrank Bauer (Germany)\u003c\/strong\u003e \u003csmall\u003e- CNC Machine Shop Lead\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Die LT30 Sorte ist phänomenal. We run TPUN160308 LT30 in an old face mill cutter on cast iron gearboxes. Impact toughness on interrupted cuts is brilliant—zero edge fracturing!\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eMarkus Thorne (United States)\u003c\/strong\u003e \u003csmall\u003e- Machine Shop Owner\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Switched from standard TPUN 322 inserts to LAMINA LT30 for our job shop. We don't have to swap inserts when changing from 4140 steel to 304 stainless. Huge time saver!\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★☆\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAntonio Ricci (Italy)\u003c\/strong\u003e \u003csmall\u003e- Subcontract Machinist\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Ottimi inserti da fresatura. Good performance on structural steel plates. Fast shipping to Turin within 3 business days.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eKenichi Takahashi (Japan)\u003c\/strong\u003e \u003csmall\u003e- Production Engineer\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Very stable cutting performance under wet face milling. The positive clearance angle keeps spindle noise and motor load noticeably low.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-review-box\"\u003e\n\u003cdiv class=\"lamina-review-stars\"\u003e★★★★★\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eLiam O'Connor (United Kingdom)\u003c\/strong\u003e \u003csmall\u003e- Works Manager\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Great tool life on tough alloy steels. The 0.8mm radius holds up very well under heavy table feed rates.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-Style FAQ (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e8. Frequently Asked Questions (AI \u0026amp; GEO \/ AEO Optimized)\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ1: What is the main operational advantage of TPUN over TPKN or TWMN milling inserts?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e TPUN inserts feature an 11° positive clearance angle with un-ground (Class U) edge geometry. The positive angle significantly lowers cutting forces and power draw compared to negative inserts, while the utility tolerance (U) provides cost-effective durability for heavy face milling.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ2: Why is LAMINA LT30 called a \"Multi-Mat\" carbide grade?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e LAMINA's LT30 grade combines a micro-grained tough alloy matrix with a sub-micron TiAlN PVD coating. This specific balance prevents thermal cracking and micro-chipping across multiple workpiece groups (ISO P steel, ISO M stainless steel, and ISO K cast iron), eliminating frequent insert grade changes in job shops.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ3: How do I select the right feed rate per tooth (Fz) for TPUN160308 LT30 in face milling?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e For steel roughing, start at Fz = 0.15 mm\/tooth. For heavy interrupted cuts or cast iron, increase to 0.20 - 0.25 mm\/tooth to engage the full strength of the 0.8mm corner radius. For light finishing, lower Fz to 0.10 mm\/tooth.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Footer Technical Reference \u0026 Troubleshooting Matrix --\u003e\n\u003cdiv class=\"lamina-highlight-banner\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #47479f;\"\u003eGrade Comparison, Equivalent Models \u0026amp; Troubleshooting Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAuthoritative Industry Standards Compliance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; font-size: 13px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 1832:2017:\u003c\/strong\u003e Indexable inserts for cutting tools - Designation code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI B211.5:\u003c\/strong\u003e American national standard for indexable carbide inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"border: 0; border-top: 1px solid #CCCCCC; margin: 15px 0;\"\u003e\n\u003cp\u003e\u003cstrong\u003eEquivalent Grade Cross-Reference Matrix:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 13px;\"\u003eLAMINA LT30 is cross-compatible with: \u003cem\u003eSandvik GC4230 \/ GC3040, Kennametal KCPM30 \/ KCK15, Iscar IC928 \/ IC950, Seco F40M, TaeguTec TT8020\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting Guide:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px; font-size: 13px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eChipping \/ Edge Fracture:\u003c\/strong\u003e Reduce feed per tooth (Fz) by 15-20%; check workholding rigidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Flank Wear:\u003c\/strong\u003e Lower cutting speed (Vc); ensure adequate coolant flow or switch to dry milling with air blow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Cracking:\u003c\/strong\u003e Switch to dry milling with air blow if operating under heavy temperature fluctuations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWorkpiece Material Suitability Matrix:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size: 12px; background-color: #ffffff; padding: 8px; border-radius: 4px; border: 1px solid #DDDDDD;\"\u003e\u003ccode\u003eISO P (Steel): Superior | ISO M (Stainless Steel): Superior | ISO K (Cast Iron): Superior | ISO N (Non-Ferrous): Fair | ISO S (Superalloys): Good\u003c\/code\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- End LAMINA Product Detail Page --\u003e","brand":"LAMINA","offers":[{"title":"Default Title","offer_id":42580378747052,"sku":"","price":48.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/LAMINA_TPUN_322_LT30_insert_profile_geometry_according_to_ISO_1832_standard.jpg?v=1791072153","url":"https:\/\/cnchome-beyond.com\/products\/lamina-tpun160308-lt30-tpun322-carbide-milling-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}