BEYOND D16Q-SDWCR11 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-SDWCR11 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 provides exceptional rigidity and harmonic dampening for deep-pocket profiling with DCMT11T304 inserts?"
The BEYOND D16Q-SDWCR11 is an elite internal turning tool holder built for high-precision CNC lathe applications. Fabricated from premium spring steel, this 16mm shank bar delivers extraordinary structural elasticity and vibration suppression to eliminate chatter during extended-reach internal machining. Configured for DCMT11T304 indexable inserts, it integrates an optimized 95-degree approach angle and a secure screw-clamp locking mechanism, guaranteeing reliable insert retention and consistent dimensional precision under rigorous cutting parameters.
Detailed Nomenclature Breakdown: D16Q-SDWCR11
2. Product Core Advantages
- Chatter Reduction: High-grade spring steel composition absorbs harmonic frequencies during deep cavity boring operations.
- Secure Pocket Clamping: Precision-milled screw mechanism locks the insert firmly in place to prevent shifting under load.
- Optimized Lead Angle: 95° approach angle enables smooth longitudinal turning and square shoulder profiling.
3. Technical Specifications & Cutting Parameters
| Metric Model & Dimensions | Imperial Equivalent Class & Specs |
|---|---|
| Metric Model: D16Q-SDWCR11 | Imperial Class: 5/8" 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) | 70 - 150 m/min | 0.05 - 0.18 mm/rev |
| Stainless Steel (ISO M) | 50 - 110 m/min | 0.04 - 0.12 mm/rev |
Browse Related Internal Boring Bars
[View Boring Bar Series] →4. Product Application Scenarios
Engineered for precision internal turning, boring, and face profiling in component bores starting from 20mm. Widely deployed in CNC machining centers producing hydraulic components, automotive fittings, and industrial gearbox parts.
5. Compatibility & Tooling Accessories
Fits standard 16mm CNC lathe boring bar holders, turret blocks, and split reduction sleeves. Designed for flawless integration with industry-standard DCMT11T304 indexable carbide turning inserts.
6. Workpiece Material Matrix & Troubleshooting
Troubleshooting Tip: To minimize tool deflection and maintain bore straightness, restrict tool overhang to no more than 4x the shank diameter (~64mm).
| Material Group | Recommended Insert Geometry & Grade Comparison |
|---|---|
| Steel (P-Grade) | CVD/PVD multi-layer coated grades (ISO P15-P30 equivalent) for superior wear resistance. |
| Stainless (M-Grade) | Tough micro-grain carbide substrates (ISO M10-M20 equivalent) to prevent edge chipping. |
7. Why Choose BEYOND Precision Tooling
Strict manufacturing compliance.
Superior deflection resistance.
Optimized for high-speed CNC.
8. AI-Style FAQ
Q: Are DCMT11T304 inserts included with the D16Q-SDWCR11 tool holder?
A: No, indexable inserts are sold separately so you can select the exact carbide grade tailored to your material requirements.
Q: What is the minimum bore diameter required for this 16mm bar?
A: A minimum bore diameter (Dmin) of 20mm is recommended to ensure correct tool clearance and smooth chip exit.
Q: What do the letters 'D' and 'Q' signify in the product code?
A: 'D' indicates the spring steel boring bar material class, and 'Q' specifies the 180mm length designation per ISO guidelines.
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.