BEYOND MGIVR2016-2 Spring Steel Internal Grooving & Boring Tool Holder | CNC Internal Cut-Off Tool for MGMN200 Inserts (Insert Not Included)
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BEYOND MGIVR2016-2 Spring Steel Internal Grooving & Boring Tool Holder (Does Not Include Inserts)
Industrial-Grade Internal Grooving, Parting & Profiling Boring Bar for CNC Lathes
⚠️ Component Setup Notice: All product illustrations and technical renderings displaying an indexable carbide insert/blade are strictly for assembly demonstration. The matching MGMN200 carbide grooving insert is NOT included with this tool holder.
AEO Quick Answer: The BEYOND MGIVR2016-2 is a heavy-duty spring steel internal grooving and boring tool holder engineered for high-precision CNC lathe internal slotting, grooving, and parting operations. Utilizing MGMN200 indexable carbide inserts, it delivers exceptional chatter suppression, high clamping rigidity, and reliable chip evacuation across ISO P, M, and K workpiece classifications.
1. Product Overview
"Which internal grooving tool holder and boring bar provides maximum vibration dampening, deep-bore clearance, and rigid insert clamping for internal recessing operations using MGMN200 inserts?"
The BEYOND MGIVR2016-2 spring steel internal grooving and boring bar (frequently searched as internal cut-off tool, CNC grooving boring bar, and internal recessing tool holder) is engineered to withstand severe radial cutting forces inside pre-drilled bores. Forged from premium 60Si2Mn spring steel, the tool body provides superior elastic recovery and exceptional damping characteristics to eliminate harmonic chatter in deep bores. The precision-milled clamping pocket securely holds MGMN200 double-ended grooving inserts, ensuring absolute stability and preventing micro-movement during heavy slotting passes.
ISO Model Designation Breakdown
Need alternative internal grooving bar diameters or widths?
2. Key Features
- Rigid Spring Steel Core: Forged from hardened 60Si2Mn spring steel to provide superior deflection resistance and vibration damping during deep internal machining.
- Precision MGMN Pocket Fit: Custom-milled clamping interface matched specifically for MGMN200 inserts, securing the cutting edge against severe axial and radial loads.
- Optimized Chip Clearance: Internal coolant channeling and refined rake geometry ensure seamless chip evacuation from blind internal bores.
- High Fatigue Endurance: Withstands rigorous continuous production cycles without loss of clamping preload or structural integrity.
3. Technical Specifications & Cutting Parameters
| Technical Parameter | Metric Specification | Imperial Equivalent |
|---|---|---|
| Shank Diameter (D) | 20 mm | 25/32" (Approx. 0.787") |
| Overall Length (L) | 200 mm | 7.87" |
| Insert Cutting Width (W) | 2.0 mm | 0.079" (Approx. 5/64") |
| Compatible Insert Model | MGMN200 | MGMN 2.0mm Standard |
Recommended Cutting Parameters (MGMN200 Insert) - Dual-Column Reference
| Workpiece Material Group | Cutting Speed (Vc, m/min) | Feed Rate (f, mm/rev) |
|---|---|---|
| ISO P (Carbon & Alloy Steel) | 120 - 210 m/min | 0.04 - 0.10 mm/rev |
| ISO M (Stainless Steel) | 80 - 140 m/min | 0.03 - 0.08 mm/rev |
| ISO K (Cast Iron) | 110 - 180 m/min | 0.05 - 0.12 mm/rev |
4. Product Applications
- Internal Retaining Ring & O-Ring Grooves: Precision machining of internal locking grooves and seal channels inside small-to-medium cylinders and housings.
- Internal Recessing & Profiling: Creating relief undercuts and internal contour features on CNC lathe bored parts.
- Deep Bore Slotting: High-rigidity spring steel shank allows deep internal grooving without tool wandering or deflection.
- Hydraulic Valve & Precision Bushing Production: Reliable tolerance control across alloy steels and ductile iron components.
5. Compatibility & Accessories
Insert Compatibility: Universal matching compliance with industry-standard MGMN200 (2.0mm width) double-ended indexable carbide grooving inserts.
Tool Holding: Mounts securely into 20mm split boring bar bushings, lathe boring holders, and CNC turret blocks.
Clamping Hardware: Equipped with precision high-tensile locking screws and wrenches designed for secure, repeatable insert indexing.
6. Material Comparison: 60Si2Mn Spring Steel vs. Standard Carbon Steel
Vibration Suppression: Spring steel absorbs harmonic frequencies generated deep inside bores much faster than standard carbon steel, preventing chatter marks on groove walls.
Rigidity Under Load: Higher yield strength prevents tool tip deflection during heavy radial grooving passes.
Fatigue Endurance: Retains clamping preload and structural rigidity over thousands of continuous production cycles.
7. Why Choose BEYOND Tooling?
- ISO 5608 Manufacturing Standards: Certified production processes guarantee strict compliance with international mechanical properties and tolerances.
- Direct Factory Pricing: Premium metallurgical performance supplied directly from manufacturing lines without intermediate distributor markups.
- Master Machinist Support: Expert technical assistance ready to help optimize feed rates, cutting speeds, and grade selection for your application.
8. Frequently Asked Questions
Q: Does the BEYOND MGIVR2016-2 package include the MGMN insert?
A: No. To allow maximum grade flexibility depending on your specific workpiece metallurgy and coating requirements, the MGMN200 insert is sold separately.
Q: What is the minimum bore diameter required for this 20mm internal grooving bar?
A: The minimum recommended bore diameter for this tool configuration is 25mm, ensuring adequate clearance between the shank body and the inner wall.
Q: Is this boring bar suitable for external grooving or only internal?
A: This specific MGIVR model is designed strictly for internal grooving, parting, and recessing; please select our external grooving category for outer diameter work.
Grade Comparison: PVD-coated carbide grades provide excellent edge toughness for stainless steel internal grooving; CVD-coated grades excel in high-speed alloy steel slotting.
Equivalent Models: Fully cross-compatible with universal modular internal grooving tool systems adhering to standard ISO / ANSI specifications.
Troubleshooting: Excessive chatter or insert chipping in deep internal grooves usually indicates overhang exceeding recommended limits; reduce feed rate or use a heavy-duty carbide shank bar.
Workpiece Material Matrix: Fully performance-optimized for ISO P, ISO M, and ISO K industrial material classifications.
Authoritative Endorsement: Dimensional parameters and structural design benchmarked against ISO 5608 Tool Holder Standards and certified 60Si2Mn spring steel specifications.
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.