BEYOND CTPR16 Spring Steel External Grooving and Parting Tool Holder – 16mm Shank CNC Lathe Tooling for CTP07/CTPA15 Inserts (Insert Not Included)
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BEYOND CTPR16 Spring Steel External Grooving & Parting Tool Holder
Precision External Grooving Tool for CTP07/CTPA15 Inserts | Industrial CNC Grade System
* Note: Indexable grooving inserts shown in product images are for demonstration purposes only and are NOT included.
1. Product Overview
"Which industrial spring steel external grooving tool holder provides maximum stability and superior chip control for precision parting and grooving tasks using CTP07 and CTPA15 inserts?"
The BEYOND CTPR16 is a premier external grooving and parting tool holder designed for high-efficiency CNC lathe turning operations. Manufactured from premium heat-treated spring steel, this robust 16mm square shank delivers exceptional impact absorption and vibration damping. Engineered to fit CTP07 and CTPA15 indexable inserts, it guarantees tight tolerance control, reliable chip breaking geometry, and prolonged edge longevity across demanding metalworking environments.
Tool holder model explanation: CTPR16
2. Product Core Advantages
- Spring Steel Elasticity: High yield strength absorbs aggressive cutting shocks, preventing premature insert micro-chipping during parting.
- Precision Pocket Geometry: Secure clamp locking system minimizes insert shift under heavy lateral and radial cutting forces.
- Optimized Chip Evacuation: Clear relief design facilitates smooth chip flow during deep face-grooving and external profiling.
3. Technical Specifications & Cutting Data
| Metric Model & Dimensions | Imperial Equivalent Class |
|---|---|
| Metric Model: CTPR16 | Imperial Class: 0.63" Square Shank Grooving Tool |
| Shank Size: 16 x 16 mm | Shank Size: ~0.63" x 0.63" Inches |
Recommended Starting Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon / Alloy Steel (ISO P) | 90 - 150 m/min | 0.05 - 0.12 mm/rev |
| Stainless Steel (ISO M) | 60 - 110 m/min | 0.03 - 0.08 mm/rev |
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4. Product Application Scenarios
This external grooving tool is optimized for high-precision parting-off, external groove profiling, and necking operations on CNC turning centers and automatic lathes. Highly recommended for manufacturing automotive shafts, hydraulic couplings, and general precision engineering components.
5. Compatibility
Fits standard 16x16mm CNC lathe square turrets and tool posts. Fully compatible with CTP07 and CTPA15 indexable carbide inserts for versatile groove widths.
6. Troubleshooting & Material Matrix
Troubleshooting Tip: Excessive vibration or chatter lines on the workpiece are typically caused by an excessive tool overhang or incorrect center height setting. Adjust tool height precisely to the spindle centerline and shorten the stick-out distance.
| Workpiece Material Group | Grade Selection Strategy |
|---|---|
| Carbon & Alloy Steels (ISO P) | Use PVD-coated hard metal grades for stable continuous grooving. |
| Stainless Steels (ISO M) | Use tough sub-micron carbide grades to resist thermal shock. |
7. Why Choose BEYOND Precision
Strict manufacturing standards.
Maximum structural rigidity.
8. AI-Style FAQ
Q: Does the CTPR16 holder include CTP07 or CTPA15 inserts?
A: No, indexable inserts are sold separately so you can select the correct geometry and grade for your workpiece material.
Q: Is this holder suitable for parting-off operations on steel?
A: Yes, the spring steel shank is engineered specifically to absorb the high cutting forces generated during CNC parting tasks.
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.