{"product_id":"lamina-vcmt160404nn-vcmt160408nn-lt10-diamond-turning-insert","title":"Lamina VCMT160404NN \/ VCMT160408NN LT10 Carbide Turning Inserts (VCMT 331 \/ VCMT 332)","description":"\u003c!-- Lamina VCMT Profiling Turning Inserts Product Detail Page --\u003e\n\u003cstyle\u003e\n  .lamina-wrapper {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, 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  \/* Typography and Section Headers *\/\n  .lamina-h1-title {\n    background-color: #47479F;\n    color: #FFFFFF !important;\n    padding: 24px 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 12px rgba(71, 71, 159, 0.25);\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  \/* Containers \u0026 Cards *\/\n  .lamina-box-card {\n    border: 1px solid #E0E0E8;\n    background-color: #FAFAFC;\n    padding: 22px;\n    border-radius: 8px;\n    margin-bottom: 22px;\n  }\n  .lamina-highlight-banner {\n    border-left: 5px solid #47479F;\n    background-color: #F0F0F8;\n    padding: 18px 22px;\n    margin: 22px 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: 650px;\n  }\n  .lamina-data-table th {\n    background-color: #47479F;\n    color: #FFFFFF !important;\n    padding: 12px 15px;\n    border: 1px solid #47479F;\n    font-weight: 600;\n  }\n  .lamina-data-table td {\n    padding: 11px 15px;\n    border: 1px solid #E2E2E8;\n  }\n  .lamina-data-table tr:nth-child(even) {\n    background-color: #F4F4FA;\n  }\n\n  \/* ISO Code Breakdown Grid *\/\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 100px;\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 *\/\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 Layout *\/\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: 18px;\n    background-color: #FFFFFF;\n    flex: 1 1 280px;\n    box-sizing: border-box;\n    box-shadow: 0 2px 6px 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 Styling *\/\n  .lamina-faq-item {\n    border-bottom: 1px solid #E2E2E8;\n    padding: 16px 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    font-size: 15px;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"lamina-wrapper\"\u003e\n\u003c!-- Main H1 Header --\u003e\n\u003ch1 class=\"lamina-h1-title\"\u003eLamina VCMT Series LT10 Carbide Profiling Turning 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 35-degree VCMT turning insert grade is best for fine finishing and complex profile turning in stainless steel and carbon steel without chatter?\"\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eLamina VCMT Series\u003c\/strong\u003e (featuring \u003cstrong\u003eVCMT160404NN LT10\u003c\/strong\u003e and \u003cstrong\u003eVCMT160408NN LT10\u003c\/strong\u003e) consists of high-precision 35° diamond indexable carbide turning inserts designed specifically for internal boring, intricate profiling, undercut clearing, and external finishing on CNC lathes and turning centers.\u003c\/p\u003e\n\u003cp\u003eUtilizing Lamina's signature \u003cstrong\u003eLT10 grade\u003c\/strong\u003e—a sub-micron carbide substrate coated with a multi-layer PVD TiAlN (Titanium Aluminum Nitride) physical vapor deposition finish—these inserts combine supreme notch wear resistance with high micro-grain edge strength. Featuring a 7° positive clearance angle and the \u003cstrong\u003eNN neutral medium chipbreaker\u003c\/strong\u003e, the VCMT profile ensures ultra-low cutting forces, superior surface finish (Ra \u0026lt; 0.8 μm), and controllable chip curling across steel, stainless steel, and ductile 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\u003e35° Acute Diamond Profile:\u003c\/strong\u003e Engineered for maximum tool reach and contour clearance, allowing deep copying, undercut profiling, and sharp shoulder turning without tool body collision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal LT10 Multi-Layer PVD Coating:\u003c\/strong\u003e Sub-micron TiAlN PVD barrier minimizes friction coefficient and micro-chipping, offering exceptional thermal stability up to 900°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNN Medium\/Fine Chipbreaker:\u003c\/strong\u003e Optimizes chip curling at low to medium depth of cut, preventing stringy chips during long-pass CNC finishing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7° Positive Relief Clearance Angle:\u003c\/strong\u003e Reduces side deflection and tool chatter, enabling high precision in thin-walled workpiece turning and boring bar setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 1832 \u0026amp; ANSI B211.5 Standards Compliant:\u003c\/strong\u003e Fits standard external SVJCR\/SVVCN toolholders and internal SVUCR boring bars.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 3. Technical Specifications \u0026 Coding (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 Code Breakdown\u003c\/h3\u003e\n\u003cp\u003eDecoding every character in the \u003cstrong\u003eVCMT 160404 NN - LT10\u003c\/strong\u003e designation:\u003c\/p\u003e\n\u003c!-- ISO Code Boxes --\u003e\n\u003cdiv class=\"lamina-code-grid\"\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eV\u003c\/strong\u003e \u003cspan\u003eShape\u003cbr\u003e(35° Diamond)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e \u003cspan\u003eClearance Angle\u003cbr\u003e(7° Positive)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eM\u003c\/strong\u003e \u003cspan\u003eTolerance\u003cbr\u003e(Class M Precision)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eT\u003c\/strong\u003e \u003cspan\u003eFixing \/ Feature\u003cbr\u003e(Countersunk Hole)\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(16.6mm \/ 3\/8\" I.C.)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003e04 \/ 3\u003c\/strong\u003e \u003cspan\u003eThickness\u003cbr\u003e(4.76mm \/ 3\/16\")\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003e04\/08 (1\/2)\u003c\/strong\u003e \u003cspan\u003eCorner Radius\u003cbr\u003e(0.4mm \/ 0.8mm)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eNN\u003c\/strong\u003e \u003cspan\u003eChipbreaker\u003cbr\u003e(Neutral Medium)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-code-card\"\u003e\n\u003cstrong\u003eLT10\u003c\/strong\u003e \u003cspan\u003eCarbide Grade\u003cbr\u003e(PVD TiAlN)\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 CNC Turning Toolholders \u0026amp; Boring Bars: \u003c\/span\u003e \u003ca href=\"https:\/\/cnchome-beyond.com\/collections\/vc-vb-insert-external\" target=\"_blank\" rel=\"noopener\"\u003eView Compatible SVJCR \/ SVVCN External Holders \u0026amp; SVUCR Internal Boring Bars →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMetric vs. Imperial Technical Dimension Comparison\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\u003eMetric Model (ISO)\u003c\/th\u003e\n\u003cth\u003eImperial Model (ANSI)\u003c\/th\u003e\n\u003cth\u003eInscribed Circle (I.C.)\u003c\/th\u003e\n\u003cth\u003eThickness (S)\u003c\/th\u003e\n\u003cth\u003eCorner Radius (r)\u003c\/th\u003e\n\u003cth\u003eFixing Screw Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVCMT 160404NN LT10\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVCMT 331NN LT10\u003c\/td\u003e\n\u003ctd\u003e9.525 mm (0.375\")\u003c\/td\u003e\n\u003ctd\u003e4.76 mm (0.187\")\u003c\/td\u003e\n\u003ctd\u003e0.4 mm (0.015\")\u003c\/td\u003e\n\u003ctd\u003eM3.5 x 8.0 \/ M3.5 x 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVCMT 160408NN LT10\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVCMT 332NN LT10\u003c\/td\u003e\n\u003ctd\u003e9.525 mm (0.375\")\u003c\/td\u003e\n\u003ctd\u003e4.76 mm (0.187\")\u003c\/td\u003e\n\u003ctd\u003e0.8 mm (0.031\")\u003c\/td\u003e\n\u003ctd\u003eM3.5 x 8.0 \/ M3.5 x 10\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 turning and boring 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 513)\u003c\/th\u003e\n\u003cth\u003eRecommended Cutting Parameters (Vc, Ap, Fn)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO P: Alloy Steel \u0026amp; Carbon Steel (\u0026lt; 300 HB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 140 - 260 m\/min (460 - 850 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.3 - 2.5 mm (0.012\" - 0.098\")\u003cbr\u003eFeed Rate (Fn): 0.08 - 0.22 mm\/rev (0.003\" - 0.0086\"\/rev)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO M: Stainless Steel (304, 316L, 17-4PH)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 100 - 180 m\/min (330 - 590 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.3 - 2.0 mm (0.012\" - 0.078\")\u003cbr\u003eFeed Rate (Fn): 0.06 - 0.18 mm\/rev (0.0024\" - 0.007\"\/rev)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO K: Ductile Iron \u0026amp; Gray Cast Iron\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 120 - 220 m\/min (390 - 720 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.4 - 2.5 mm (0.015\" - 0.098\")\u003cbr\u003eFeed Rate (Fn): 0.10 - 0.25 mm\/rev (0.004\" - 0.010\"\/rev)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eISO S: Titanium \u0026amp; Heat-Resistant Alloys\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCutting Speed (Vc): 35 - 75 m\/min (115 - 245 SFM)\u003cbr\u003eDepth of Cut (Ap): 0.2 - 1.5 mm (0.008\" - 0.059\")\u003cbr\u003eFeed Rate (Fn): 0.05 - 0.12 mm\/rev (0.002\" - 0.0047\"\/rev)\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 VCMT LT10 inserts are ideal for high-precision profile turning and fine finishing:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplex Contour \u0026amp; Profile Turning:\u003c\/strong\u003e Machining intricate stepped shafts, tapers, spherical radii, and undercuts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Internal Boring:\u003c\/strong\u003e Deep internal hole finishing using positive shank boring bars with minimal chatter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine Surface Finishing:\u003c\/strong\u003e Achieving smooth surface roughness in automotive shafts, hydraulic valve components, and aerospace fittings.\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 Toolholders \u0026amp; CNC Equipment\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003eStandardized screw-clamping positive inserts designed for high-versatility toolholding:\u003c\/p\u003e\n\u003cul style=\"padding-left: 20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Toolholders:\u003c\/strong\u003e SVJCR\/L (107.5° approach), SVVCN (72.5° neutral lead angle), SVACR\/L holders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Boring Bars:\u003c\/strong\u003e A-SVUCR\/L, S-SVUCR\/L, and carbide-anti-vibration steel shank boring bars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Lathe Platforms:\u003c\/strong\u003e Haas, Mazak, Doosan (DN Solutions), Okuma, Citizen Swiss, Star, Hardinge, 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 \u0026amp; 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 \/ Coating Type\u003c\/th\u003e\n\u003cth\u003eCoating Composition\u003c\/th\u003e\n\u003cth\u003eThermal Shock Resistance\u003c\/th\u003e\n\u003cth\u003eChipping Resistance\u003c\/th\u003e\n\u003cth\u003eWorkpiece Focus\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLamina LT10 (Featured)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePVD Multi-Layer TiAlN\u003c\/td\u003e\n\u003ctd\u003eVery High\u003c\/td\u003e\n\u003ctd\u003eHigh\u003c\/td\u003e\n\u003ctd\u003eUniversal Steel (P), Stainless (M), Cast Iron (K)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard CVD Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCVD TiCN + Al2O3\u003c\/td\u003e\n\u003ctd\u003eMedium (Risk of thermal cracking in light profiling)\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003eHeavy continuous steel turning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUncoated Micrograin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUncoated Carbide\u003c\/td\u003e\n\u003ctd\u003eLow\u003c\/td\u003e\n\u003ctd\u003eVery High\u003c\/td\u003e\n\u003ctd\u003eAluminum and non-ferrous turning (ISO N)\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 Reviews (H2) --\u003e\n\u003ch2 class=\"lamina-h2-section\"\u003e7. Why Choose Lamina \u0026amp; Verified Global Reviews\u003c\/h2\u003e\n\u003cdiv class=\"lamina-box-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eThe Lamina Advantage:\u003c\/strong\u003e Developed with Swiss and Israeli engineering standards, Lamina Technologies specializes in multi-mat grade solutions that reduce tool inventory while maximizing cutting edge reliability under variable machining conditions. Certified to ISO 9001 standards.\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\u003eHans Weber (Germany)\u003c\/strong\u003e \u003csmall\u003e- Senior Machinist\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Die LT10 VCMT160404 Inserts sind erstklassig! Smooth surface finish on 316L stainless shafts with no vibration.\"\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\u003eCharles Miller (United States)\u003c\/strong\u003e \u003csmall\u003e- CNC Programmer\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Ran VCMT160408NN on an SVJCR shank turning 4140 pre-hardened steel. Tool life outperformed our previous supplier by 30%.\"\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\u003eMatteo Conti (Italy)\u003c\/strong\u003e \u003csmall\u003e- Production Lead\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Ottima finitura superficiale. The 35 degree clearance allows us to reach tight undercuts easily.\"\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\u003eTakashi Sato (Japan)\u003c\/strong\u003e \u003csmall\u003e- Precision Machinist\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"High dimensional repeatability across batch orders. Very good chip breaking on thin-wall stainless tubes.\"\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\u003eAndrew Taylor (United Kingdom)\u003c\/strong\u003e \u003csmall\u003e- Workshop Owner\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\"Great universal insert grade. Works reliably across both mild steel and stainless steel jobs on our Mazak lathe.\"\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 difference between VCMT160404 and VCMT160408 inserts?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e The difference lies in the corner nose radius. VCMT160404 features a 0.4mm (0.015\") corner radius, ideal for fine finishing and tight internal corners. VCMT160408 features a 0.8mm (0.031\") corner radius, providing higher cutting edge strength and higher feed capacity for general finishing and profiling.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ2: Why choose a VCMT 35° diamond insert over a VBMT or VNMG insert?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e VCMT inserts feature a 7° positive clearance angle combined with a screw-on clamping hole, generating significantly lower cutting resistance than negative VNMG inserts. Compared to VBMT, VCMT offers standardized thickness and dimensions ideal for precise internal boring and clearance profiling.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"lamina-faq-item\"\u003e\n\u003cdiv class=\"lamina-faq-q\"\u003eQ3: Can Lamina LT10 grade handle interrupted profiling cuts?\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cem\u003eAnswer:\u003c\/em\u003e Yes, Lamina LT10 utilizes a micro-grain sub-micron carbide substrate that delivers high fracture toughness, allowing it to withstand light-to-medium interrupted cuts without premature chipping.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 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 Matrix\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 system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eANSI B211.5:\u003c\/strong\u003e Standard identification system 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 LT10 is cross-compatible with: \u003cem\u003eSandvik 1125 \/ 2025, Iscar IC907 \/ IC908, Seco TS2000 \/ TP1030, Kennametal KCU10 \/ KCU25, TaeguTec TT9080, ZCC YBG205 \/ YBG202\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\u003eSurface Finish Flaws (Chatter Marks):\u003c\/strong\u003e Switch from 0.8mm radius to 0.4mm radius (VCMT160404); increase cutting speed (Vc) and verify tool overhang.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Corner Wear:\u003c\/strong\u003e Reduce cutting speed (Vc) by 15-20%; verify coolant concentration and nozzle alignment directly at the cutting point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong Stringy Chips:\u003c\/strong\u003e Increase feed rate (Fn) slightly to force the chipbreaker geometry into engagement.\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): Good | ISO N (Non-Ferrous): Fair | ISO S (Superalloys): Conditional\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":"VCMT160404NN LT10","offer_id":42577010065580,"sku":"","price":66.98,"currency_code":"USD","in_stock":true},{"title":"VCMT160408NN LT10","offer_id":42577010098348,"sku":"","price":66.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/Lamina_VCMT160408NN_LT10_profiling_insert_with_NN_chipbreaker_geometry.jpg?v=1791075142","url":"https:\/\/cnchome-beyond.com\/products\/lamina-vcmt160404nn-vcmt160408nn-lt10-diamond-turning-insert","provider":"CNCHome-Beyond","version":"1.0","type":"link"}