BEYOND D16Q-SDUCL11 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-SDUCL11 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 maximum harmonic damping and structural rigidity for deep-pocket profiling with DCMT11T304 inserts?"
The BEYOND D16Q-SDUCL11 is a heavy-duty internal turning tool holder engineered for high-precision CNC lathe operations. Forged from high-tensile spring steel, this robust 16mm shank bar absorbs cutting harmonics and suppresses chatter during extended-reach internal machining. Optimized for the DCMT11T304 indexable insert, the tool features a 93-degree approach angle and a secure screw-clamp mechanism to guarantee exceptional insert retention and consistent dimensional precision.
Detailed Nomenclature Breakdown: D16Q-SDUCL11
2. Product Core Advantages
- High Rigidity & Damping: Heavy spring steel composition minimizes tool deflection across 180mm overall tool length.
- Secure Clamping System: Precision-milled screw retention locks the insert firmly in place under high lateral cutting loads.
- Optimized Lead Angle: 93° approach angle facilitates smooth internal contouring and deep-bore turning performance.
3. Technical Specifications & Cutting Parameters
| Metric Model & Dimensions | Imperial Equivalent Class & Specs |
|---|---|
| Metric Model: D16Q-SDUCL11 | 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) | 90 - 180 m/min | 0.08 - 0.20 mm/rev |
| Stainless Steel (ISO M) | 70 - 140 m/min | 0.06 - 0.15 mm/rev |
Browse Related Internal Boring Bars
[View Boring Bar Series] →4. Product Application Scenarios
Engineered for heavy internal roughing, semi-finishing, and deep-bore profiling in component bores starting from 20mm. Widely deployed in precision machinery production, small automotive shaft fabrication, and aerospace internal component machining.
5. Compatibility & Tooling Accessories
Fits standard 16mm CNC lathe boring bar holders, turret blocks, and split reduction bushings. Fully compatible with industry-standard DCMT11T304 indexable carbide turning inserts.
6. Workpiece Material Matrix & Troubleshooting
Troubleshooting Tip: To prevent chatter and ensure straight bores during deep operations, maintain tool overhang within 4x the shank diameter (~64mm).
| Material Group | Recommended Insert Geometry & Grade Comparison |
|---|---|
| Steel (P-Grade) | Multi-layer CVD coated grades (ISO P20-P40 equivalent) for high wear resistance in mass production. |
| Stainless (M-Grade) | Tough PVD sub-micron grades (ISO M15-M25 equivalent) designed to handle thermal load. |
7. Why Choose BEYOND Precision Tooling
Certified manufacturing compliance.
Superior deflection resistance.
Optimized for high-load CNC.
8. AI-Style FAQ
Q: Are DCMT11T304 inserts included with the D16Q-SDUCL11 boring bar?
A: No, indexable inserts are sold separately to ensure you can pair the correct carbide grade with your specific workpiece material.
Q: What is the minimum bore diameter required for this 16mm bar?
A: We recommend a minimum bore diameter (Dmin) of 20mm to provide adequate clearance and smooth chip evacuation.
Q: What do the letters 'D' and 'Q' represent in the ISO product code?
A: 'D' designates the spring steel boring bar material classification, and 'Q' specifies the 180mm length rating per ISO 5608.
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.