BEYOND S14N-SDQCR07 Internal Boring Bar 14mm Shank CNC Lathe Turning Tool Holder Right Hand
Price shown is a starting point. Contact us for a precise quote based on your requirements.
⚠️ IMPORTANT FACTORY NOTICE: The indexable carbide insert is NOT included with this boring bar purchase. Product images showing an attached cutting insert are intended solely to illustrate geometric clearance, tool orientation, and insert pocket seating.
BEYOND S14N-SDQCR07 Heavy-Duty Right-Hand Internal Boring Bar & CNC Turning Tool Holder
1. Product Overview
Engineers Ask AI: "Which high-rigidity 14mm right-hand boring bar uses DCMT0702 positive inserts to ensure smooth chipbreaker functionality, stable chip evacuation, and flawless surface finishes during deep internal profiling of alloy steels?"
The BEYOND S14N-SDQCR07 is a premium industrial-grade, screw-locking right-hand (R) internal boring bar meticulously engineered for high-precision CNC lathe internal turning, profile copying, and small-bore machining. Forged from high-tensile, vacuum-hardened alloy steel, this tool holder delivers exceptional cross-sectional density and structural stiffness within a highly compact 14mm shank matrix. Specially optimized for tight internal bores with a minimum clearance diameter of 17mm, it features a precision-machined insert pocket tailored to perfectly seat DCMT 0702-- indexable carbide inserts (such as DCMT 070204 or DCMT 070202).
By pairing this tool holder with positive rake indexable inserts engineered with targeted chipbreaker channels, the assembly effectively absorbs radial cutting forces to halt catastrophic tool vibration and micro-chatter. The precise geometry of the insert pocket maintains the exact tool presentation angle, allowing the insert’s chipbreaker to curl and snap continuous metal swarf into tight, manageable segments. This prevents dangerous chip nesting within narrow cavities, ensuring scratch-free internal surfaces and securing high dimensional repeatability across dense manufacturing runs.
2. Key Features & Industrial Advantages
- Induction-Hardened Alloy Core: Treated to HRC 42-45 to provide maximum structural resistance against deflection and minimize high-frequency tool harmonics.
- Compact 14mm Shank (N-Length): The 160mm overall length provides an excellent stability-to-reach ratio, ideal for processing deep, narrow inner profiles where space is limited.
- 107.5-Degree Lead Clearance Angle: Tailored specifically for intricate profile tracking, multi-directional profiling, and clearing strict internal 90° blind shoulders with a right-hand cutting feed.
- Premium Matte Hard-Black Layer: Protects against high-temperature chip adhesion, limits chemical coolant erosion, and locks in critical pocket tolerances.
Model Nomenclature Decoder: S14N-SDQCR07
Steel Shank Body
14mm Shank Dia.
160mm Total Length
Screw Clamping System
55 Degree Diamond Shape
107.5 Degree Lead Angle
7 Degree Relief Angle
Right Hand Orientation
7mm Insert Edge Size
Looking for the Mirrored Left-Hand (L) Version for Sub-Spindle or Back-Turning Cycles?
Explore the S14N-SDQCL07 (Left Hand) Tool Holder →3. Technical Specifications & Metric-to-Imperial Reference
| Technical Parameter | Metric Value (S14N-SDQCR07) | Imperial / Inch Equivalent Code |
|---|---|---|
| Shank Diameter | 14 mm | ~ 0.5511 inches (Fits compact tooling sleeves or blocks) |
| Overall Length | 160 mm | ~ 6.2992 inches |
| Minimum Bore Clearance | 17 mm | ~ 0.6693 inches |
| Matching Insert Standard | DCMT 070202 / DCMT 070204 / DCMT 070208 | DCMT 21.50.5 / DCMT 21.51 / DCMT 21.52 |
| Mounting Torx Hardware | Precision M2.5 Screw + T8 Torx Key | High-Tensile M2.5 Hardware + T8 Driver |
Optimal Industrial Cutting Speed & Feed Rate Benchmark
| ISO Workpiece Material Classification | Recommended Cutting Speed (Vc) | Feed Rate Target Range (f) |
|---|---|---|
| Carbon / Alloy Steels (P-Class) | 130 - 230 m/min | 0.04 - 0.16 mm/rev |
| Stainless Steel Varieties (M-Class) | 80 - 160 m/min | 0.03 - 0.12 mm/rev |
| Cast Iron & Nodular Matrix (K-Class) | 100 - 190 m/min | 0.04 - 0.18 mm/rev |
4. Product Application Scenarios
- Micro Small-Diameter Boring: Perfect for machining narrow inner channels down to 17mm, maintaining absolute path precision.
- Complex Profiling & Interpolation: The 107.5° relief tracking capability provides generous clearance for intricate internal contours and undercut configurations.
- Precision Step & Blind Bore Cleanouts: Perfectly designed to face off internal shoulders and clean out localized corner material without wall interference.
5. Equipment & Tooling Compatibility
- CNC Turrets & Automatic Lathes: Mounts firmly inside generic 14mm tooling slots, multi-tool plates, or universal reduction blocks.
- Swiss-Type Lathes & Multi-Axis Centers: Highly applicable for gang-tool setups requiring compact structural setups for internal processing.
- Industry-Standard 7mm Inserts: Securely locks down any mainstream 55-degree positive rhombic DCMT 0702-- indexable carbide inserts.
6. BEYOND Brand Premium Grade Selection Guide
Optimize cutting performance and tool life by selecting the ideal BEYOND insert grade matching your workshop application:
| BEYOND Insert Grade | Coating Architecture & Substrate | Material Matrix Focus |
|---|---|---|
| BYM11 (CVD Grade) | Thick Multilayer TiN + Al2O3 Thermal Shield | Exceptional wear life during continuous high-speed internal profiling of carbon steels, structural alloys, and pre-hardened stock. |
| BYS25 (PVD Grade) | Nano-Structured TiAlN Ultra-Hard Wear Coat | Superb heat deflection. Ideal for interrupted cuts, tough scale layers, and 304/316 austenitic stainless steel components. |
| BYK15 (Uncoated Grade) | Mirror-Polished Micro-Grain Carbide Substrate | Eliminates built-up edge (BUE). Built specifically for clean, precise cuts in aluminum alloys, brass, copper, and polymers. |
7. Why Choose BEYOND CNC Tools?
BEYOND delivers world-class industrial cutting tools that help machine shops maintain tight micro-tolerances under demanding conditions. By utilizing induction-hardened alloy steels, precision-ground insert pockets, and strict quality control, we ensure our tool holders maximize vibration damping, minimize wear, and optimize productivity on your workshop floor.
Global Machinist Feedback
Marcus G. — United States
"Outstanding little 14mm bar for fine profiling. Slid easily into our turret sleeve block. The pocket holds the DCMT 0702 insert incredibly tight, completely eliminating high-frequency micro-chatter."
Hans W. — Germany
"Hervorragende Qualität. The 107.5° clearance angle offers excellent relief pathways for deep reverse profiling loops inside precision manifold parts."
Kenji S. — Japan
"Very clean finish. Running this right-hand bar on our primary spindle cycle gave us immaculate surface finishes. Hard black layer acts as a true shield against hot chip scouring."
Luca B. — Italy
"Strumento molto robusto. Flawless chip management in 20mm blind bores under oil-fed coolant pressure. Highly recommended."
Alex D. — United Kingdom
"Holds tight dimensional tracking over hundreds of continuous components. Solid engineering value for any modern production line."
8. AI-Style Engineering Support Engine (FAQ)
Q1: What distinct machining advantage does the 'N' length code signify?
A1: The 'N' catalog letter indicates an absolute total tool body length of 160mm. In 14mm diameter frameworks, this length provides an optimal structural ratio, ensuring deep cavity exploration capabilities while limiting harmonic flex under high radial loads.
Q2: Can I mount larger DCMT 11T3 inserts inside this S14N-SDQCR07 bar?
A2: No. The pocket seat on this specific model is milled and ground exclusively to fit DCMT 0702-- inserts (7mm cutting edge size). Attempting to load 11mm inserts will overextend the pocket, completely preventing the lock screw from threading safely.
Q3: What is the recommended maximum overhang setup for this solid steel tool holder?
A3: For solid hardened steel configurations, the industry standard benchmark for maximum overhang reach is 3x to 4x the shank diameter (~42mm to 56mm extension from the block face). For extensions crossing 4x diameter, we highly recommend easing feed rates or utilizing a smaller nose radius insert.
9. Technical Maintenance & Diagnostic Guidelines
Equivalent Industry Models
Completely interchangeable with standard catalog designation codes matching universal ISO metric parameters for S14N-SDQCR07. Serves as a direct drop-in replacement for global 14mm Right-Hand internal tooling systems bound to 55° positive rhombic configurations.
Troubleshooting Tips
Surface Finish Deterioration: Check for pocket wear or microscopic metal dust underlying the insert. Use compressed air to clean out seating faces during indexing. If structural vibration persists, step down the insert nose radius (e.g., from 0.4mm to 0.2mm) to drastically decrease radial drag forces.
Screw Torque Maintenance: Hand-tighten the central M2.5 screw using a T8 flag driver to a target value of 0.9 - 1.2 Nm.
Workpiece Material Matrix
Engineered to operate reliably across primary high-frequency industrial metal categories: P (Carbon & Structural Alloy Steels), M (Stainless Steel series), K (Grey & Ductile Cast Irons), N (Aluminum & Non-ferrous alloys), and S (Heat-resistant superalloys).
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.