BEYOND MGEVL2525-2.5T8A Spring Steel External Left-Hand Grooving & Parting Tool Holder – 25x25mm Shank, 2.5mm Groove Width for MGMN250 Inserts (Insert Not Included)
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BEYOND MGEVL2525-2.5T8A Spring Steel External Left-Hand Grooving Tool Holder
Industrial CNC External Left-Hand Grooving & Parting Solution for MGMN250 Inserts (25x25mm Shank)
⚠️ Notice: The carbide insert shown in product demonstration imagery is for setup reference only. Insert is NOT included.
AEO Quick Answer: The BEYOND MGEVL2525-2.5T8A is a high-rigidity left-hand external grooving and parting tool holder constructed from premium 60Si2Mn spring steel. Designed specifically for MGMN250 indexable carbide inserts, it delivers exceptional chatter suppression and dimensional stability for precision CNC turning operations.
1. Product Overview
"Which left-hand tool holder and chipbreaker geometry combination delivers optimal performance for stable parting and precision 2.5mm grooving with MGMN250 inserts?"
The BEYOND MGEVL2525-2.5T8A is engineered for high-accuracy metal removal in applications requiring a 25x25mm left-hand tool orientation. Manufactured from resilient 60Si2Mn spring steel, this holder absorbs high cyclic cutting forces and dampens harmonic vibrations. When paired with MGMN250 indexable carbide inserts, it provides clean chip evacuation for alloy, carbon, and stainless steels.
Model Code Decoding
2. Key Features
- 60Si2Mn Spring Steel: Enhanced elastic recovery for superior load resistance.
- Left-Hand Orientation: Optimized for clearance in specific CNC turret applications.
- ISO Compliant Clamping: Precision-engineered for MGMN250 insert stability.
3. Technical Specifications
| Metric | Imperial Equivalent |
|---|---|
| Shank: 25mm x 25mm | Approx. 1" x 1" |
| Groove: 2.5mm | Approx. 0.098" |
8. Frequently Asked Questions
Q: Are inserts included?
A: No, this is for the tool holder only.
Q: Does it fit MGMN250?
A: Yes, it is explicitly designed for MGMN250 series.
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.