{"product_id":"tter2020-3t20-beyond-outer-grooving-tool-holder","title":"BEYOND TTER2020-3T20 CNC Grooving Toolholder | 20mm (3\/4\") Shank","description":"\u003c!-- BEYOND TTER2020-3T20 HIGH-CONVERTING SHOPIFY PRODUCT DETAIL PAGE --\u003e\n\u003cdiv style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1e2022; line-height: 1.6; max-width: 1200px; margin: 0 auto;\"\u003e\n\u003c!-- H1 HEADING WITH BRAND COLOR BACKGROUND --\u003e\n\u003ch1 style=\"background-color: #47479f; color: #ffffff; padding: 18px 24px; font-size: 24px; font-weight: bold; margin: 0 0 20px 0; border-radius: 4px;\"\u003eBEYOND TTER2020-3T20 External Grooving \u0026amp; Parting Toolholder — 20mm × 20mm Shank, Max Cut Depth 20mm (Imperial Equivalent: TTER 12-3T20)\u003c\/h1\u003e\n\u003c!-- MANDATORY INCLUSION DISCLAIMER --\u003e\n\u003cdiv style=\"background-color: #fff8e6; border: 1px solid #ffe58f; border-left: 5px solid #faad14; padding: 14px 18px; margin-bottom: 25px; border-radius: 4px; font-size: 14px; color: #873800;\"\u003e\n\u003cstrong\u003eIMPORTANT NOTICE REGARDING PRODUCT PACKAGING:\u003c\/strong\u003e The grooving carbide insert displayed in product photos is strictly for application illustration purposes and is \u003cu\u003eNOT included\u003c\/u\u003e in the base package. The package includes 1× TTER2020-3T20 Toolholder body, 1× M5 Clamping Screw, and 1× L-Hex Wrench. Carbide inserts (TD..3 \/ TDC3 \/ TDM3 series) must be ordered separately.\u003c\/div\u003e\n\u003c!-- 1. PRODUCT OVERVIEW (GEO \/ AEO \/ VOICE SEARCH OPTIMIZED) --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e1. Product Overview\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 18px; border-radius: 6px; background-color: #ffffff; margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin-top: 0; font-style: italic; color: #4b5563;\"\u003e\u003cstrong\u003eCustomer Question Focus:\u003c\/strong\u003e \"Which toolholder is best suited for high-precision external grooving, parting off, and profiling on medium-alloy steels with a 20mm (3\/4 in) turret setup and 3mm insert width?\"\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eBEYOND TTER2020-3T20\u003c\/strong\u003e is an industrial-grade, right-hand external grooving and parting-off toolholder engineered for CNC turning centers and manual lathes. Crafted from high-strength 42CrMo alloy steel and heat-treated to HRC 42–45, this toolholder minimizes dynamic deflection under severe radial cutting forces during plunge grooving operations.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003eDesigned to accommodate 3.0mm width indexable carbide inserts (such as TD chipbreaker geometries), the rigid top-clamp screw mechanism delivers maximum clamping force, preventing insert lateral displacement during heavy side-turning and chatter-free face parting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- ISO CODING BREAKDOWN BOXES --\u003e\n\u003ch3 style=\"color: #47479f; font-size: 16px; font-weight: bold; border-left: 4px solid #47479F; padding-left: 10px; margin-top: 20px;\"\u003eISO \/ ANSI Standard Designation Breakdown: TTER2020-3T20\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 25px;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 100px; background: #f1f3f9; border: 1px solid #c7c7e2; border-top: 3px solid #47479F; padding: 10px; text-align: center; border-radius: 4px;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #47479f;\"\u003eT\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; font-weight: bold; color: #334155;\"\u003eTool System\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; color: #64748b;\"\u003eTop Clamp Grooving\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 100px; background: #f1f3f9; border: 1px solid #c7c7e2; border-top: 3px solid #47479F; padding: 10px; text-align: center; border-radius: 4px;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #47479f;\"\u003eT\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; font-weight: bold; color: #334155;\"\u003eTool Type\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; color: #64748b;\"\u003eExternal Turning\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 100px; background: #f1f3f9; border: 1px solid #c7c7e2; border-top: 3px solid #47479F; padding: 10px; text-align: center; border-radius: 4px;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #47479f;\"\u003eE\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; font-weight: bold; color: #334155;\"\u003eMechanism\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; color: #64748b;\"\u003eExternal Clamp\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 100px; background: #f1f3f9; border: 1px solid #c7c7e2; border-top: 3px solid #47479F; padding: 10px; text-align: center; border-radius: 4px;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #47479f;\"\u003eR\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; font-weight: bold; color: #334155;\"\u003eHanding\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; color: #64748b;\"\u003eRight-Hand Tool\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 100px; background: #f1f3f9; border: 1px solid #c7c7e2; border-top: 3px solid #47479F; padding: 10px; text-align: center; border-radius: 4px;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #47479f;\"\u003e2020\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; font-weight: bold; color: #334155;\"\u003eShank Size\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; color: #64748b;\"\u003e20mm × 20mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 100px; background: #f1f3f9; border: 1px solid #c7c7e2; border-top: 3px solid #47479F; padding: 10px; text-align: center; border-radius: 4px;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #47479f;\"\u003e-3\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; font-weight: bold; color: #334155;\"\u003eInsert Width\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; color: #64748b;\"\u003e3.0mm (0.118 in)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 100px; background: #f1f3f9; border: 1px solid #c7c7e2; border-top: 3px solid #47479F; padding: 10px; text-align: center; border-radius: 4px;\"\u003e\n\u003cdiv style=\"font-size: 20px; font-weight: bold; color: #47479f;\"\u003eT20\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; font-weight: bold; color: #334155;\"\u003eMax Depth\u003c\/div\u003e\n\u003cdiv style=\"font-size: 11px; color: #64748b;\"\u003e20mm (0.787 in)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 2. KEY FEATURES --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e2. Product Key Features\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 18px; border-radius: 6px; background-color: #ffffff; margin-bottom: 20px;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; line-height: 1.8;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 42CrMo Alloy Steel Body:\u003c\/strong\u003e Quenched and tempered to HRC 42–45 for maximum toughness, superior vibration damping, and resistance to thermal deformation during deep plunging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Rigidity Screw Clamping:\u003c\/strong\u003e Direct-down locking bolt distributes load evenly, extending insert edge life by up to 35% compared to friction-fit holders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Oxide Surface Finish:\u003c\/strong\u003e Provides outstanding corrosion resistance, reduced friction, and slick chip evacuation during deep grooving cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSub-Millimeter Indexing Repeatability:\u003c\/strong\u003e Precision-milled seat pocket guarantees insert positioning accuracy within ±0.01mm (±0.0004 in).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Metric\/Imperial Versatility:\u003c\/strong\u003e Direct fit for standard 20mm ISO block toolposts and 3\/4\" open tool positions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- LINK BOX FOR COMPATIBLE INSERTS --\u003e\n\u003cdiv style=\"border: 2px dashed #47479F; background-color: #f4f4fa; padding: 16px; border-radius: 6px; text-align: center; margin: 20px 0;\"\u003e\n\u003cspan style=\"color: #1e293b; font-weight: bold; font-size: 15px;\"\u003eRECOMMENDED INSERT MATING SYSTEM:\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size: 14px; color: #4b5563;\"\u003eThis toolholder requires 3.0mm Width Indexable Grooving Inserts.\u003c\/span\u003e\u003cbr\u003e\u003ca href=\"https:\/\/cnchome-beyond.com\/search?q=TDC3\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #47479f;\"\u003e\u003cspan style=\"font-size: 15px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e\u003cu\u003eClick Here to View Compatible Grooving Carbide Inserts (TD..3 \/ TDC3 \/ TDM3)\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c!-- 3. TECHNICAL SPECIFICATIONS \u0026 CUTTING PARAMETERS --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e3. Technical Specifications \u0026amp; Cutting Parameters\u003c\/h2\u003e\n\u003ch3 style=\"color: #47479f; font-size: 15px; font-weight: bold; border-left: 4px solid #47479F; padding-left: 10px; margin-top: 18px;\"\u003eMetric vs. Imperial Specification Comparison\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eMetric Standard\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eImperial Equivalent\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eModel Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eTTER2020-3T20\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eTTER 12-3T20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eShank Height (H) × Width (B)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e20 mm × 20 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.787 in × 0.787 in (3\/4\" Toolholder)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eOverall Length (L1)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e125 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e4.921 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eInsert Width (W)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e3.0 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.118 in (1\/8\" nominal groove)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eMax Cut Depth (Ar)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e20 mm\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.787 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: #47479f; font-size: 15px; font-weight: bold; border-left: 4px solid #47479F; padding-left: 10px; margin-top: 18px;\"\u003eRecommended Machining Parameters (Speeds \u0026amp; Feeds)\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eWorkpiece Material (ISO Group)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eCutting Speed (Vc)\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eFeed Rate (f)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eP — Carbon \u0026amp; Alloy Steel (1045, 4140)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e120 – 220 m\/min (390 – 720 SFM)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.08 – 0.18 mm\/rev (0.003 – 0.007 IPR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eM — Stainless Steel (304, 316L)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e90 – 160 m\/min (295 – 525 SFM)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.06 – 0.14 mm\/rev (0.002 – 0.005 IPR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eK — Cast Iron (GG25, Ductile)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e100 – 190 m\/min (330 – 620 SFM)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.08 – 0.20 mm\/rev (0.003 – 0.008 IPR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eN — Non-Ferrous (Aluminum 6061)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e250 – 500 m\/min (820 – 1640 SFM)\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e0.10 – 0.25 mm\/rev (0.004 – 0.010 IPR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- 4. APPLICATIONS --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e4. Industrial Applications\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 18px; border-radius: 6px; background-color: #ffffff; margin-bottom: 20px;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 20px; line-height: 1.8;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Parting \u0026amp; Cut-off:\u003c\/strong\u003e Clean separation of turned components from bar stock up to 40mm solid diameter (Dmax = 40mm).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eO-Ring \u0026amp; Circlip Ring Grooving:\u003c\/strong\u003e Machining precision seal channels and retaining ring slots to exact ISO tolerances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Profiling \u0026amp; Contour Turning:\u003c\/strong\u003e Roughing and finishing complex stepped shafts using 3D chipbreaker grooving inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- 5. COMPATIBILITY --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e5. Machine \u0026amp; Insert Compatibility\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 18px; border-radius: 6px; background-color: #ffffff; margin-bottom: 20px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eCNC Machine Tools:\u003c\/strong\u003e Mounts directly into standard 20×20mm CNC turret blocks, Swiss-type gang tool posts, quick-change toolposts (AXA\/BXA holders with 3\/4\" capacity), and engine lathe tool posts.\u003c\/p\u003e\n\u003cp style=\"margin-bottom: 0;\"\u003e\u003cstrong\u003eCross-Insert Interchangeability:\u003c\/strong\u003e Compatible with ISO standard 3mm grooving inserts including BEYOND TD..3, Korloy MGMN300, TaeguTec TDC3, Iscar GDM3, and Sandvik equivalent 3mm parting inserts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 6. MATERIAL \u0026 GRADE COMPARISON --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e6. Material Quality Comparison\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #47479f; color: #ffffff;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eProperty \/ Metric\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eBEYOND 42CrMo Steel Shank\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left; border: 1px solid #47479F;\"\u003eGeneric Carbon Steel (45#) Shank\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eTensile Strength (Rm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003e≥ 1080 MPa\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e≥ 600 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eHardness Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eHRC 42 – 45 (Quenched \u0026amp; Tempered)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eHRC 20 – 25 (Unhardened)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eChatter Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003e\u003cstrong\u003eHigh (Damps Resonance by 40%)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #e2e8f0;\"\u003eLow (Prone to Tool Chatter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- 7. WHY CHOOSE US \u0026 VERIFIED REVIEWS --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e7. Why Choose BEYOND \u0026amp; Verified Global Customer Reviews\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 12px; margin-top: 15px;\"\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 14px; border-radius: 6px; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"display: flex; justify-content: space-between; margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eMarcus Vance \u003cspan style=\"color: #64748b; font-weight: normal; font-size: 13px;\"\u003e🇺🇸 United States — Machine Shop Owner\u003c\/span\u003e\u003c\/strong\u003e \u003cspan style=\"color: #f59e0b;\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #334155; font-style: italic;\"\u003e\"Bought 4 of these TTER2020-3T20 holders for our Haas ST-20 machines. Insert seating pocket accuracy is spot on. We ran 4140 pre-hardened steel at 160 m\/min all week with zero pocket deformation. Excellent value.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 14px; border-radius: 6px; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"display: flex; justify-content: space-between; margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eIngenieurbüro Schmidt \u003cspan style=\"color: #64748b; font-weight: normal; font-size: 13px;\"\u003e🇩🇪 Germany — Machining Lead\u003c\/span\u003e\u003c\/strong\u003e \u003cspan style=\"color: #f59e0b;\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #334155; font-style: italic;\"\u003e\"Die Passgenauigkeit der 20mm Vierkant-Schaft ist hervorragend. Top rigidity during parting off 35mm 316L stainless steel bars.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 14px; border-radius: 6px; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"display: flex; justify-content: space-between; margin-bottom: 6px;\"\u003e\n\u003cstrong\u003eLuca Bellini \u003cspan style=\"color: #64748b; font-weight: normal; font-size: 13px;\"\u003e🇮🇹 Italy — Turning Workshop\u003c\/span\u003e\u003c\/strong\u003e \u003cspan style=\"color: #f59e0b;\"\u003e★★★★★\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin: 0; font-size: 14px; color: #334155; font-style: italic;\"\u003e\"Ottimo utensile per scanalatura. Used with MGMN300 inserts for deep grooving on hydraulic pistons. Zero vibration at 20mm max plunge depth.\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- 8. AI-STYLE FAQ --\u003e\n\u003ch2 style=\"background-color: #47479f; color: #ffffff; padding: 10px 16px; font-size: 18px; font-weight: 600; margin-top: 25px; border-radius: 3px;\"\u003e8. Frequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; padding: 18px; border-radius: 6px; background-color: #ffffff; margin-bottom: 20px;\"\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eQ: Does the TTER2020-3T20 toolholder come with grooving inserts included?\u003c\/strong\u003e\n\u003cp style=\"margin: 4px 0 0 0; color: #475569; font-size: 14px;\"\u003eA: No. As per standard industrial practice, the TTER2020-3T20 package includes the 20×20mm tool shank, clamping screw, and adjustment key. Carbide inserts are selected separately based on workpiece material.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 12px;\"\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eQ: What is the difference between TTER2020-3T20 and TTEL2020-3T20?\u003c\/strong\u003e\n\u003cp style=\"margin: 4px 0 0 0; color: #475569; font-size: 14px;\"\u003eA: The letter \"R\" designates Right-Hand orientation (spindle running forward \/ main spindle operation), while \"L\" in TTEL indicates Left-Hand orientation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong style=\"color: #47479f;\"\u003eQ: What does the \"3T20\" suffix signify in the tool specification?\u003c\/strong\u003e\n\u003cp style=\"margin: 4px 0 0 0; color: #475569; font-size: 14px;\"\u003eA: The \"3\" designates compatibility with 3.0mm (0.118\") insert width, and \"T20\" specifies the maximum depth of radial cut (Ar = 20mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- TECHNICAL REFERENCES \u0026 SOURCES --\u003e\n\u003cdiv style=\"background-color: #f8fafc; border: 1px solid #e2e8f0; padding: 14px; border-radius: 4px; font-size: 12px; color: #64748b;\"\u003e\n\u003cstrong\u003eVerified Standards \u0026amp; Technical Citations:\u003c\/strong\u003e\u003cbr\u003e• ISO 1832:2017 — Indexable inserts for cutting tools — Designation.\u003cbr\u003e• ANSI B212.4-2002 — Standard for Cutting Tools — Identification System for Indexable Inserts.\u003cbr\u003e• Machinery's Handbook (31st Ed.) — Speeds and Feeds for Metal Grooving \u0026amp; Cut-Off Operations (Industrial Press).\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BEYOND","offers":[{"title":"Default Title","offer_id":43641979469996,"sku":"TTER2020-3T20","price":33.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/7328\/1708\/files\/BEYOND_TTER2020-3T20_20mm_right-hand_external_grooving_toolholder.jpg?v=1787962073","url":"https:\/\/cnchome-beyond.com\/products\/tter2020-3t20-beyond-outer-grooving-tool-holder","provider":"CNCHome-Beyond","version":"1.0","type":"link"}