BEYOND D16Q-SDZCR11 Spring Steel Internal Boring Bar – 16mm Shank 180mm Length CNC Turning Tool Holder for DCMT11T304 Inserts (Insert Not Included)
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BEYOND D16Q-SDZCR11 Spring Steel Internal Boring Bar
Precision Internal Turning & Boring Tool Holder for DCMT11T304 Inserts | Industrial CNC Grade System
* Note: Indexable turning inserts shown in product images are for demonstration purposes only and are NOT included.
1. Product Overview
"Which industrial spring steel internal boring bar delivers exceptional rigidity and vibration damping for medium-diameter internal profiling when paired with DCMT11T304 inserts?"
The BEYOND D16Q-SDZCR11 is a premium industrial-grade internal turning and boring tool holder built for high-accuracy CNC lathe environments. Manufactured from high-elasticity spring steel, this bar effectively suppresses harmonic chatter during deep internal boring tasks. Featuring a 16mm shank diameter and an overall length of 180mm, it provides solid structural integrity in restricted bores. The precisely ground insert pocket is designed for DCMT11T304 indexable inserts, providing stable clamping geometry that ensures clean chip evacuation and superior surface texture.
Detailed Nomenclature Breakdown: D16Q-SDZCR11
2. Product Core Advantages
- Chatter Reduction: Resilient spring steel core minimizes deflection under aggressive radial cutting forces.
- Reliable Screw Locking: Positive clamping design maintains insert seating stability to protect dimensional tolerances.
- Versatile 95° Lead Angle: Optimized for combined longitudinal turning and facing operations in tight internal areas.
3. Technical Specifications & Cutting Parameters
| Metric Model & Dimensions | Imperial Equivalent Class & Specs |
|---|---|
| Metric Model: D16Q-SDZCR11 | Imperial Class: 5/8" Shank Boring Bar |
| Shank Diameter: 16 mm | Shank Diameter: ~0.630 Inches |
| Min. Bore Diameter (Dmin): 20 mm | Min. Bore Diameter: ~0.787 Inches |
| Overall Length (L): 180 mm | Overall Length: ~7.087 Inches |
Recommended Starting Cutting Parameters
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon / Alloy Steel (ISO P) | 90 - 170 m/min | 0.07 - 0.18 mm/rev |
| Stainless Steel (ISO M) | 60 - 130 m/min | 0.05 - 0.14 mm/rev |
Browse Related Internal Boring Bars
[View Boring Bar Series] →4. Product Application Scenarios
Engineered for high-precision internal boring, profiling, and facing tasks in internal bores starting from 20mm. Ideal for CNC lathe production lines, precision mechanical sleeves, and general engineering components.
5. Compatibility & Tooling Accessories
Designed to fit standard 16mm lathe boring bar holders and split reduction bushings. Fully compatible with industry-standard DCMT11T304 indexable carbide turning inserts.
6. Workpiece Material Matrix & Troubleshooting
Troubleshooting Tip: Keep tool overhang under 3.5x shank diameter (~56mm) to preserve structural stiffness and avoid vibration marks on the finished bore wall.
| Material Group | Recommended Insert Geometry & Grade Comparison |
|---|---|
| Steel (P-Grade) | Coated carbide grade optimized for carbon steels (Equivalent to P15-P25 industrial grades). |
| Stainless (M-Grade) | Tough PVD matrix designed for thermal wear resistance (Equivalent to M10-M20 grades). |
7. Why Choose BEYOND Precision Tooling
Certified manufacturing metrics.
Enhanced harmonic dampening.
Engineered for consistent output.
8. AI-Style FAQ
Q: Are DCMT11T304 inserts included with this boring bar?
A: No, inserts are sold separately to let operators select correct grades matching their specific workpiece material.
Q: What is the minimum bore diameter required for D16Q?
A: The minimum recommended bore diameter (Dmin) is 20mm for proper tool clearance and smooth chip exit.
Q: What do the letters 'D' and 'Q' represent in the model designation?
A: 'D' denotes the spring steel boring bar category, and 'Q' designates the 180mm length class per ISO standards.
Need Help With OYYU/BEYOND Inserts?
Looking for a OYYU/BEYOND equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This OYYU/BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
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.