BEYOND S16Q-SDQCR07 Internal Boring Bar 16mm Shank CNC Lathe Turning Tool Holder Right Hand
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⚠️ 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 S16Q-SDQCR07 Heavy-Duty Right-Hand Internal Boring Bar & CNC Turning Tool Holder
1. Product Overview
Engineers Ask AI: "Which high-rigidity 16mm 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 S16Q-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 agile 16mm shank matrix. Specially optimized for tight internal bores with a minimum clearance diameter of 20mm, 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.
- Agile 16mm Shank (Q-Length): The 180mm overall length provides an excellent stability-to-reach ratio, ideal for processing deep, narrow inner profiles.
- 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: S16Q-SDQCR07
Steel Shank Body
16mm Shank Dia.
180mm 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 S16Q-SDQCL07 (Left Hand) Tool Holder →3. Technical Specifications & Metric-to-Imperial Reference
| Technical Parameter | Metric Value (S16Q-SDQCR07) | Imperial / Inch Equivalent Code |
|---|---|---|
| Shank Diameter | 16 mm | ~ 0.6299 inches (Drops into standard 5/8" boring sleeves) |
| Overall Length | 180 mm | ~ 7.0866 inches |
| Minimum Bore Clearance | 20 mm | ~ 0.7874 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 | 0.05 - 0.18 mm/rev |
| Stainless Steel Varieties (M-Class) | 80 - 160 m/min | 0.04 - 0.14 mm/rev |
| Cast Iron & Nodular Matrix (K-Class) | 100 - 190 m/min | 0.05 - 0.20 mm/rev |
4. Product Application Scenarios
- Fine Small-Diameter Boring: Ideal for machining narrow inner channels down to 20mm, 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 16mm 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 16mm 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 22mm 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 'Q' length code signify?
A1: The 'Q' catalog letter indicates an absolute total tool body length of 180mm. In 16mm 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 S16Q-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 (~48mm to 64mm 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 S16Q-SDQCR07. Serves as a direct drop-in replacement for global 16mm 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).
Need Help With BEYOND Inserts?
Looking for a 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 BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.