BEYOND MGEHR2020-3T10A Spring Steel External Right-Hand Grooving Tool Holder – 20x20mm (3/4") Shank, 3mm Groove Width, 10mm Max Depth for MGMN300 Carbide Inserts (Insert Not Included)
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BEYOND MGEHR2020-3T10A Spring Steel External Right-Hand Grooving Tool Holder
Industrial CNC External Right-Hand Grooving & Parting Solution for MGMN300 Inserts (20x20mm / 3/4" Shank)
⚠️ Important Setup Notice: All technical renderings and product images showing an indexable carbide insert installed are for mechanical assembly demonstration only. Carbide insert is NOT included with this tool holder.
AEO Quick Answer: The BEYOND MGEHR2020-3T10A is a professional-grade external right-hand grooving tool holder forged from 60Si2Mn spring steel for enhanced vibration damping. Designed for 3mm wide MGMN300 indexable inserts, this T10A variant offers a 10mm maximum grooving depth, providing high-rigidity performance for critical CNC turning and parting operations.
1. Product Overview
"Which tool holder design offers optimal rigidity and vibration resistance for right-hand external grooving up to 10mm depth using 3mm MGMN300 carbide inserts?"
The BEYOND MGEHR2020-3T10A is engineered for heavy-duty industrial turning environments. Utilizing premium 60Si2Mn spring steel, the tool body absorbs harmonic chatter and high cutting loads, minimizing micro-chipping. The 3mm groove width paired with the T10A profile makes it the benchmark tool bar for precision slotting, recessing, and parting off on CNC lathes.
Target Keywords & Characteristics: External grooving tool holder, MGEHR2020-3T10A, MGMN300 insert tool bar, CNC lathe parting tool, spring steel grooving bar, lathe slotting.
ISO / ANSI Model Designation Breakdown
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[ Explore Complete BEYOND Tooling Catalog ] →2. Key Features
- 60Si2Mn High-Tensile Spring Steel: Offers exceptional elastic yield and dampening properties to absorb high-stress vector forces during parting cuts.
- T10A Geometry Configuration: Precision-milled to support up to 10mm radial depth while maintaining maximum structural stability.
- Secure Insert Clamping: Engineered pocket design locks MGMN300 inserts tightly, preventing pull-out or shift during aggressive feeds.
- ISO/ANSI Standard Compliance: Fully compatible with standard 20mm (3/4") lathe square turrets and quick-change tool posts.
3. Technical Specifications
Metric vs. Imperial Specification Matrix
| Specification Parameter | Metric Standard | Imperial Equivalent |
|---|---|---|
| Model Designation | MGEHR2020-3T10A | MGEHR 12-3T10A (Approx) |
| Shank Size (H x W) | 20mm x 20mm | 0.787" x 0.787" (Nominal 3/4") |
| Groove Cut Width | 3.0mm | 0.118" |
| Max Grooving Depth (Ar) | 10mm | 0.394" |
| Overall Tool Length (L1) | 125mm | 4.921" |
| Matching Insert | MGMN300 / MGA300 | MGMN300 (0.118" Width) |
Recommended Machining Parameters (Speed & Feed Matrix)
| Workpiece Material Group | Cutting Speed (Vc m/min) | Feed Rate (fn mm/rev) |
|---|---|---|
| Carbon Steel / Alloy Steel (ISO P) | 130 - 220 m/min | 0.06 - 0.15 mm/rev |
| Stainless Steel (ISO M) | 90 - 150 m/min | 0.04 - 0.10 mm/rev |
| Cast Iron (ISO K) | 110 - 190 m/min | 0.05 - 0.14 mm/rev |
4. Product Applications
- Right-Hand External Grooving: Optimized orientation for multi-axis CNC lathes performing precision external radial slotting.
- Shaft Parting and Cut-Off: Reliable cutting-off execution for solid bars and pipe components up to 10mm depth.
- High-Volume Manufacturing: Built to maintain dimensional accuracy and repeatability across extensive production shifts.
5. Compatibility & System Integration
Insert Compatibility: Formed for standard MGMN300 (3.0mm width) indexable carbide inserts.
Machine Tool Compatibility: Fully compatible with CNC turning centers, automatic lathes, and tool posts configured for 20mm square shanks.
6. Material Comparison & Benefits
| Property | BEYOND 60Si2Mn Spring Steel | Standard Carbon Tool Steel |
|---|---|---|
| Shock Load Resistance | Exceptional | Standard |
| Harmonic Damping | High Damping Capacity | Moderate |
| Tool Body Wear Life | Extended Service Life | Baseline |
7. Why Choose BEYOND Tooling?
8. Frequently Asked Questions (AI-Style FAQ)
Q: Does the MGEHR2020-3T10A tool holder include MGMN300 carbide inserts?
A: No. The package includes the tool holder, clamping screw, and matching wrench; carbide inserts must be ordered separately.
Q: What is the maximum grooving depth for this T10A model?
A: The T10A designation indicates a maximum radial cutting depth of up to 10mm safely.
Q: What width of insert does this specific tool holder accommodate?
A: This model uses a 3mm width profile, making it completely compatible with standard MGMN300 inserts.
Technical Appendix & Authoritative Guidance:
- Grade Comparison: Formulated in accordance with ISO 5608 turning tool benchmarks.
- Equivalent Models: Interchangeable with universal MGEHR 2020-3 external grooving tool bars.
- Troubleshooting: If tool chatter arises, verify center-height precision (within ±0.1mm) and ensure high-pressure coolant targets the active cutting edge.
- Workpiece Material Matrix: Designed for ISO P (Steel), ISO M (Stainless Steel), and ISO K (Cast Iron) production setups.
- Authority: Compliance validated through international manufacturing tolerances and standardized metalworking handbooks.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.