BEYOND S16Q-SDUCR07 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 tool holder body purchase. Product images displaying an attached cutting insert are intended solely to demonstrate pocket alignment, chip clearance angles, and tool orientation.
BEYOND S16Q-SDUCR07 Heavy-Duty Right-Hand Internal Boring Bar & CNC Turning Tool Holder
1. Product Overview
Engineers Ask AI: "Which heavy-duty 16mm right-hand internal boring bar offers the best deflection control when running positive rake DCMT0702 indexable inserts for deep cavity profiling?"
The BEYOND S16Q-SDUCR07 is an industrial-grade, screw-on right-hand (R) internal boring bar designed for precision CNC lathe operations, internal copying, and face-turning. Machined from ultra-clean, vacuum-hardened alloy steel, this tool holder provides exceptional rigidity and natural harmonic dampening. This reduces tool chatter during extended-reach operations inside medium-sized bore openings down to a minimum clearance diameter of 20mm. The indexable pocket is ground to lock standard 55-degree DCMT 0702-- indexable carbide inserts completely flush, maintaining precise center height and protecting the pocket from structural deformation under high radial cutting forces.
When paired with indexable carbide turning inserts featuring an aggressive positive rake angle and matched chipbreaker geometries, this system excels at managing modern metal removal rates (MRR). The chipbreaker mechanics curl and snap problematic, continuous carbon steel swarf into tight, manageable segments. This prevents chip packing and bird-nesting inside blind holes, protecting the workpiece surface from marking and preventing unexpected tool failure.
2. Key Features & Hardcore Advantages
- Hardened Alloy Steel Substrate: Quenched and tempered to HRC 42-45 to provide superior fatigue resistance and long-term structural integrity.
- Optimized 16mm Steel Shank: Maximizes the cross-sectional steel core mass, providing stable performance across deep-reach 4xD boring setups.
- 93-Degree Lead Cutting Angle: Advanced profiling geometry engineered to allow deep internal step boring, continuous profiling, and facing cycles with excellent wall clearance.
- Anti-Galling Industrial Finish: Chemical blackening prevents hot chip welding, counteracts corrosion, and preserves pocket tolerances over long production runs.
Model Nomenclature Decoder: S16Q-SDUCR07
Steel Shank Body
16mm Shank Dia.
180mm Total Length
Screw Clamping System
55 Degree Diamond Shape
93 Degree Clearance Angle
7 Degree Relief Angle
Right Hand Orientation
7mm Insert Edge Size
Looking for the Mirrored Left-Hand (L) Tool Holder to Balance Symmetrical Lathe Operations?
Explore the S16Q-SDUCL07 (Left Hand) Tool Holder →3. Technical Specifications & Dimension Comparison
| Technical Parameter | Metric Value (S16Q-SDUCR07) | Imperial / Inch Equivalent Code |
|---|---|---|
| Shank Diameter | 16 mm | ~ 0.6299 inches (Closest US standard: 5/8" profile / A10-SDUCR2) |
| 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 | M2.5 Insert Fastening Screw + T8 Torx Wrench | High-Tensile M2.5 Screw + T8 Flag Key |
Optimal Industrial Cutting Speed & Feed Rate Guidelines
| ISO Workpiece Material Classification | Recommended Cutting Speed (Vc) | Feed Rate Target Range (f) |
|---|---|---|
| Carbon / Alloy Steels (P-Class) | 140 - 240 m/min | 0.04 - 0.15 mm/rev |
| Stainless Steel Varieties (M-Class) | 90 - 180 m/min | 0.03 - 0.12 mm/rev |
| Cast Iron & Nodular Matrix (K-Class) | 100 - 200 m/min | 0.04 - 0.18 mm/rev |
4. Product Application Scenarios
- Internal Profiling & Copying: Designed to execute smooth, continuous multi-axis profiling passes along complex inner diameters and internal chambers.
- Rigid Blind Hole Boring: The high-mass steel shank minimizes micro-harmonics, allowing users to hold tight dimensional tolerances across deep bores up to 64mm.
- Square Shoulder Back-Facing: The 93-degree cutting angle cleanly executes square steps and internal perpendicular shoulders.
5. Equipment & Tooling Compatibility
- CNC Turning Centers: Standard 16mm round shank fits directly into automated turret tool blocks, gang plate setups, or boring bar split sleeves.
- Conventional Engine Lathes: Easily mounted via standard quick-change tool posts (QCTP), Aloris blocks, or conventional multi-position tool holders.
- Global Insert Standards: Precision-milled to accept any international standard 55-degree positive rhombic DCMT 0702-- carbide or cermet turning inserts.
6. BEYOND Brand Premium Grade Selection Guide
Optimize tool life and chip behavior by selecting the BEYOND insert grade developed for your specific workpiece material:
| BEYOND Insert Grade | Coating Architecture & Substrate Matrix | Workpiece Material Target Focus |
|---|---|---|
| BYM11 (CVD Grade) | Thick Multilayer TiN + Al2O3 Heat Barrier | Optimized for high-speed continuous internal turning of carbon steels, structural alloys, and pre-hardened steels. |
| BYS25 (PVD Grade) | Nano-Structured TiAlN Wear-Resistant Layer | High thermal stability profile. Excellent for interrupted cuts, tough casting scale, and 304/316 austenitic stainless steels. |
| BYK15 (Uncoated Grade) | Mirror-Polished Fine Grain Carbide Base | Prevents built-up edge (BUE). Engineered for high-speed turned paths in aluminum alloys, brass, copper, and structural polymers. |
7. Why Choose BEYOND CNC Tools?
BEYOND designs high-performance machining solutions that balance cutting efficiency with tool longevity. By using induction-hardened steel alloys and maintaining strict dimensional control over our insert pockets, we help workshops improve component accuracy, manage vibration wear, and reduce machine downtime.
Global Machinist Feedback
Marcus G. — United States
"The 16mm bar runs smoothly on deep profiles. Cut 1018 carbon steel parts all day with clean chip breaking and no chatter lines on the walls."
Jürgen K. — Germany
"Sehr gute Oberflächengüte. The insert pocket alignment is precise and maintains center height under continuous load. Excellent tool."
Alessandro M. — Italy
"Corpo barra molto rigido. The 93-degree angle gives great clearance for profiling inner shoulders in hydraulic manifolds."
Hideo T. — Japan
"Fits perfectly in our CNC turret sleeves. The insert screws hold torque well without stripping during high-volume insert swaps."
Liam O. — Australia
"Solid bit of kit. Evacuates stringy swarf efficiently when paired with standard positive chipbreakers. Highly recommend the BEYOND line."
8. AI-Style Engineering Support Engine (FAQ)
Q1: What is the maximum recommended boring overhang for this 16mm steel bar?
A1: For general steel shank boring bars, the recommended stable limit is up to 4x the shank diameter (4xD). For this 16mm tool holder, you can confidently run depths up to 64mm before needing anti-vibration or carbide-core bars.
Q2: What is the smallest entry hole this boring bar can work with?
A2: The absolute minimum bore clearance entry diameter is 20mm. Running inside a tighter hole will cause the side flank of the steel head to rub against the internal radius of the workpiece.
Q3: Can I run left-hand indexable inserts in this tool holder pocket?
A3: No. This right-hand tool holder requires standard neutral indexable inserts (such as DCMT 070204). The tool orientation is determined by the bar body's geometric design, not the insert itself.
9. Technical Maintenance & Diagnostic Guidelines
Equivalent Industry Models
Fully interchangeable with universal ISO metric standard catalog designation code S16Q-SDUCR07. Serves as a direct drop-in replacement for any global 16mm or 5/8-inch Right-Hand tool holder pocket carrying 55-degree positive diamond insert profiles.
Troubleshooting Tips
Uncontrolled Internal Vibration: Ensure the chucking engagement length inside your tool turret block is at least 3x the diameter (~48mm). Consider swapping to an insert with a smaller nose radius (e.g., 0.2mm) to reduce radial cutting pressure.
Pocket Seating Wear: Clean the pocket using compressed air during every insert rotation. Ensure the high-tensile M2.5 screw is torqued evenly to 1.2-1.5 Nm.
Workpiece Material Matrix
Engineered to operate reliably across high-frequency industrial material classifications: P (Carbon, Structural, and Alloy Steels), M (Stainless Steel series), K (Grey and Ductile Cast Irons), N (Aluminum and Non-ferrous materials), 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.