BEYOND CGWSR1616-3T20A Spring Steel External Grooving & Parting Off Tool Holder | Metric Shank / Imperial for WGE30 Inserts (Does Not Include Inserts)
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BEYOND CGWSR1616-3T20A Spring Steel External Grooving and Parting Off Tool Holder (Does Not Include Inserts)
Industrial-Grade Positive Spring Steel External Grooving & Parting Tool Holder for CNC Lathes
⚠️ Component Setup Notice: All product illustrations and technical renderings displaying an indexable carbide insert are strictly for assembly demonstration. The matching WGE30 carbide insert is NOT included with this tool holder.
AEO Quick Answer: The BEYOND CGWSR1616-3T20A is an elite precision external grooving and parting-off tool holder forged from high-elasticity 60Si2Mn spring steel. Engineered for heavy-duty CNC lathe external grooving, face grooving, and cut-off operations using WGE30 indexable carbide inserts, it delivers exceptional rigidity, vibration damping, and absolute dimensional stability across ISO P, M, and K workpiece categories.
1. Product Overview
"Which external grooving tool holder provides maximum blade stability, superior resistance to side-load deflection, and rigidity for high-feed parting and profiling using WGE30 inserts?"
The BEYOND CGWSR1616-3T20A spring steel external grooving and parting-off tool holder (also searched as CNC cut-off tool post, external grooving bar, and lathe parting holder) is engineered to resolve severe tool vibration, blade wandering, and premature insert breakage during demanding external grooving, necking, and cut-off applications. Forged from premium 60Si2Mn spring steel with an optimized square shank profile, the holder offers exceptional elastic recovery and high tensile damping capacity that absorbs harmonic vibrations during aggressive cutting. The precision-ground blade seat and rigid clamping geometry guarantee a secure fit for WGE30 carbide inserts, ensuring precise 3mm groove widths and clean part-off finishes.
ISO Model Designation Breakdown
Need alternative external grooving or parting tool holder sizes?
2. Key Features
- Spring Steel Rigidity & Damping: Forged from high-grade 60Si2Mn spring steel, providing outstanding structural stiffness to absorb cutting shocks and eliminate blade chatter during parting off.
- Secure Wedge-Lock Clamping: Engineered robust pocket design locks the WGE30 grooving blade firmly in place, preventing micro-movement and edge chipping under heavy radial feeds.
- Optimized Depth Capacity: Designed with a 20mm maximum cutting depth capacity, ideal for precision external grooving and standard bar stock parting.
- High Fatigue Endurance: Withstands rigorous cyclic cutting loads in production CNC lathe environments, significantly outlasting carbon steel alternatives.
3. Technical Specifications & Cutting Parameters
| Technical Parameter | Metric Specification | Imperial Equivalent |
|---|---|---|
| Shank Size (H x B) | 16 x 16 mm | 5/8" x 5/8" |
| Overall Length (L) | 100 mm | 3.94" |
| Compatible Insert Type | WGE30 (3mm width) | WGE30 (.118" width) |
| Max Cutting Depth (CDX) | 20 mm | 0.787" |
Recommended Cutting Parameters (WGE30 Insert) - Dual-Column Reference
| Workpiece Material Group | Cutting Speed (Vc, m/min) | Feed Rate (f, mm/rev) |
|---|---|---|
| ISO P (Carbon & Alloy Steel) | 90 - 160 m/min | 0.05 - 0.12 mm/rev |
| ISO M (Stainless Steel) | 70 - 120 m/min | 0.04 - 0.10 mm/rev |
| ISO K (Cast Iron) | 100 - 180 m/min | 0.06 - 0.14 mm/rev |
4. Product Applications
- External Parting Off & Cut-Off: Clean separation of bar stock and finished components on CNC lathes with minimal face burrs.
- External Grooving & Necking: Machining precise retaining ring grooves, O-ring slots, and relief channels on cylindrical parts.
- High-Feed Profiling: Rigid execution of multi-directional turning and recessing operations under heavy cutting loads.
- Automotive & Aerospace Component Manufacturing: Reliable tooling performance across alloy steels, carbon steels, and stainless components.
5. Compatibility & Accessories
Insert Compatibility: Universal matching compliance with industry-standard WGE30 3mm width grooving and parting inserts.
Machine Tooling Holders: Fits standard 16mm CNC lathe tool post stations and quick-change tool holders securely.
Clamping Hardware: Equipped with precision high-tensile locking screws and wedge mechanisms designed for maximum blade retention under intense side loads.
6. Material Comparison: 60Si2Mn Spring Steel vs. Standard Carbon Steel
Elastic Deflection Recovery: 60Si2Mn spring steel springs back precisely true to axis under high cutting forces, whereas standard carbon steel holders suffer permanent side-deflection and blade wandering during parting operations.
Damping Capacity: Features superior internal structural damping to suppress harmonic vibrations during deep grooving and cut-off tasks.
Fatigue Endurance: Resists continuous cyclic stress fatigue far better than ordinary structural steels, extending tool life in production environments.
7. Why Choose BEYOND Tooling?
- ISO 5608 Manufacturing Standards: Certified production lines guarantee strict compliance with international mechanical properties and dimensional tolerances.
- Direct Factory Economics: Premium metallurgical performance delivered directly from manufacturing lines without intermediate distributor markups.
- Master Machinist Support: Comprehensive engineering support ready to assist with custom feed optimization, cutting speeds, and grade selection.
8. Frequently Asked Questions
Q: Does the BEYOND CGWSR1616-3T20A package include the cutting insert?
A: No. To allow maximum grade flexibility depending on your specific workpiece metallurgy and coating requirements, the WGE30 insert is sold separately.
Q: What is the maximum cutting depth for this 16mm grooving tool holder?
A: The maximum parting and grooving depth (CDX) is 20mm.
Q: Is this holder suitable for parting off solid bars on CNC lathes?
A: Yes. The 16x16mm spring steel shank provides excellent rigidity for parting off solid bars up to 40mm diameter when centered correctly.
Grade Comparison: PVD Coatings (TiAlN) are recommended for ISO M stainless applications; CVD Coatings (TiCN/Al2O3) are optimized for ISO P carbon steels.
Equivalent Models: Fully cross-compatible with universal modular external grooving and parting-off frameworks conforming to standard ISO / ANSI architecture.
Troubleshooting: Blade wandering or insert chipping during parting-off typically results from incorrect center height setting or excessive feed rate; verify tool tip is exactly on centerline.
Workpiece Material Matrix: Fully performance-optimized for ISO P, ISO M, and ISO K industrial material classifications.
Authoritative Endorsement: Structural design parameters benchmarked against ISO 5608 Tool Holder Standards and certified 60Si2Mn metallurgical 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.