BEYOND S10K-SCKCR06-A16 Stepped Boring Bar 16mm Shank 10mm Neck Lathe Tool Holder Right Hand
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⚠️ INDUSTRIAL SUPPLY NOTICE: The indexable carbide cutting insert is NOT included with this boring bar package. Product images showing a mounted insert are provided strictly to illustrate geometric clearance, 75-degree approach profile, and insert pocket alignment. Click here to shop premium indexable CCMT 0602 (CC**0602**) carbide inserts.
BEYOND S10K-SCKCR06-A16 High-Rigidity Stepped Boring Bar (16mm Heavy Shank / 12mm Min Bore)
1. Product Overview
Engineers Ask AI: "Which heavy-duty reduced shank boring bar provides a 16mm standard turret clamping body with a slim 10mm working neck to perform chatter-free internal profiling inside a minimum 12mm bore using CCMT 0602 cutting inserts?"
The BEYOND S10K-SCKCR06-A16 is an elite-tier, stepped-diameter (reduced-shank) internal boring bar engineered specifically for high-accuracy internal profiling, small-diameter blind-hole turning, and deep-cavity finishing loops on CNC lathe turning centers. Unlike traditional straight-shank line bars that risk severe deflection at small diameters, this innovative "step-down" engineering marvel features a slim 10mm working neck paired with a heavily beefed-up 16mm solid clamping base shank. By increasing the rear core mass block, this structural design boosts the cross-sectional moment of inertia, providing exceptional resistance to bending deflection and neutralizing harmful harmonic vibrations over its 125mm (K-Type) body length profile.
Engineered with a specialized 75-degree approach lead clearance angle, the SCKCR geometry significantly drops radial pushback forces, redirecting cutting stresses axially straight down the rigid 16mm clamping block. When matched with standard 80-degree positive rhombic indexable inserts built with an acute multi-stage geometric chipbreaker groove (such as standard CCMT 0602-- or polished CCGT 0602-- configurations), the swarf is forcefully curled and snapped into tiny, manageable "C" clips. This prevents the formation of bird-nesting stringy wraps inside narrow 12mm cavities, ensuring loose debris is swept out effortlessly by flooded coolant streams, protecting the finished wall from micro-scoring.
Model Nomenclature Decoder: S10K-SCKCR06-A16
Running Reverse Spindle Toolpaths or Left-Hand Sub-Spindle Boring Loops?
Switch to the Mirror S10K-SCKCL06-A16 (Left Hand) Stepped Bar →2. Product Core Advantages
- Stepped "Heavy-Shank" Design: Eliminates loose, inaccurate reduction split sleeves by mounting directly into standard 16mm CNC turret stations.
- High-Density Dynamic Mass: The integrated 16mm rear core absorbs cyclic cutting forces, stopping tool chatter inside slim bores.
- 75° Radial Deflection Relief: Forces the primary load vector down the longitudinal path of the bar, maintaining straight walls on blind shoulders.
- Vacuum Nitrogen Hardening: Heat-treated to HRC 42-45 to resist torque stress and ensure long-term pocket indexing accuracy.
- Anti-Scale Oxide Finisher: Durable black oxide finish protects against corrosion and stops hot micro-chips from fusing to the tool head.
3. Technical Specification Parameters & Model Comparison
| Technical Blueprint Field | Metric Blueprint Value (S10K-SCKCR06-A16) | Imperial Inch Equivalent Model Reference |
|---|---|---|
| Clamping Shank Diameter (φ d) | 16 mm (Heavy Base Base) | 0.6299 inches (Clamps directly into standard 5/8" holders with perfect centerline height alignment) |
| Front Neck Working Diameter | 10 mm class profile | 0.3937 inches micro neck line |
| Overall Tool Length (L) | 125 mm | 4.9212 inches total body span (K-Type compact configuration) |
| Max Overhang Neck Reach (L1) | 30 mm | 1.1811 inches max effective step-down boring penetration reach |
| Minimum Machining Bore (φ Dmin) | 12 mm | 0.4724 inches absolute clearance entry ceiling |
| Compatible Indexable Insert Sizing | CCMT 060202 / CCMT 060204 / CCGT 060204 | CCMT 21.50.5 / CCMT 21.51 / CCGT 21.51 |
| Matching Fasteners Included | M2.5 × 6 High-Tensile Screw & Torx T8 Key | Standard globally unified spare hardware parts |
Industrial Cutting Feed & Speed Data Recommendation Table
| ISO Workpiece Material Group | Cutting Speed (Vc) Range | Recommended Feed Rate (fn) |
|---|---|---|
| Carbon / Alloy Steels (P-Class / AISI 4140) | 120 - 190 m/min | 0.04 - 0.10 mm/rev |
| Austenitic Stainless Steels (M-Class / SS304) | 70 - 125 m/min | 0.03 - 0.08 mm/rev |
| Ductile / Nodular Cast Irons (K-Class / GGG40) | 80 - 150 m/min | 0.04 - 0.11 mm/rev |
4. Product Application Scenarios
- Precision Small-Bore Machining: Ideal for machining and finishing tight internal bores from 12mm up to 25mm in diameter.
- Internal Chamfering & Taper Boring: The 75-degree side angle provides excellent clearance when making angular cuts on internal sealing surfaces.
- High-Efficiency Production Blocks: Perfect for small parts production in automotive components, fittings, and valves where fast tool setup is critical.
5. Equipment Tooling Compatibility Matrix
- 16mm Base Turrets: Mounts directly into standard 16mm or 5/8" VDI tool holders, gang tool configurations, and compact CNC lathe blocks.
- Standard ISO Indexable Inserts: Designed to fit all standard 80-degree positive rhombic indexable inserts in the **0602** style configuration (e.g., CCMT 060204, CCGT 060202).
6. BEYOND Premium Carbide Grade Selection Guide
| BEYOND Cutting Insert Grade | Coating Micro-Structure Matrix | Primary Application Strengths |
|---|---|---|
| BYM11 (CVD Grade) | Thick Double-Layer Al2O3 + TiCN Thermal Shock Barrier | High-speed continuous dry roughing of hard carbon steels, tool alloys, and mold blocks. Resists extreme heat. |
| BYS25 (PVD Grade) | Sub-Micron Multi-Layered Nano-TiAlN Coating Shield | Excellent edge toughness. Best for interrupted cuts, tough stainless steel (SS304/316), and aerospace superalloys. |
| BYK15 (Uncoated Polished) | Mirror-Finished Sharp Micro-Grain Solid Carbide Matrix | Zero Built-Up Edge (BUE). Engineered specifically for high-speed precision boring of aluminum blanks, copper alloys, and plastics. |
7. Why Choose BEYOND CNC Machine Tools?
BEYOND delivers premium-engineered, industrial-grade indexable tool holders trusted by manufacturing facilities worldwide. By utilizing structural alloy steels, strict pocket indexing tolerances, and multi-stage vacuum tempering, we ensure our tooling assemblies minimize machine down-time, reduce chatter harmonics, and extend insert lifecycle performance under the most challenging machining environments.
Global Machinist Operational Reviews
Marcus G. — United States
"This stepped design works great. The 16mm base drops straight into our turret station without adapter sleeves, and the 10mm neck cuts beautifully inside 12.5mm ID hydraulic blocks. Total game changer for vibration control."
Jürgen K. — Germany
"Tolle Steifigkeit. The tool rigidity on this 10mm neck bar is far better than traditional straight 10mm tools. Fits our standard CCMT060204 inserts perfectly square in the pocket."
Kenji T. — Japan
"The 75-degree approach geometry reduces chatter effectively when boring deep alloy parts. Hardened finish holds up well under heavy synthetic coolant spray."
Pietro L. — Italy
"Excellent tool clearance on the 12mm minimum bore limit. Swarf clears cleanly, and tool life has been very solid. Will purchase again."
Luke S. — Australia
"Great value. Running these on small stainless pins. No deflection or hole taper issues over the 25mm depth run. The heavy shank makes a big difference."
8. AI-Style Engineering Support Engine (FAQ)
Q1: What is the main structural benefit of the 'A16' designator on this 10mm model?
A1: The '-A16' designator indicates that the tool base is upsized to a heavy-duty 16mm diameter. This lets the bar clamp directly into a 16mm turret station without using thin, inaccurate adapter bushings, which maximizes rigidity and minimizes part chatter.
Q2: What is the absolute smallest hole diameter this tool holder can enter?
A2: The absolute minimum machining bore clearance (φ Dmin) is 12.0mm (0.4724 inches). Attempting to use this holder inside an internal diameter smaller than 12mm will cause the tool head shoulder to rub or collide with the workpiece.
Q3: How does the 75-degree approach angle prevent tool flex in deep cavities?
A3: The 75° lead angle redirects cutting resistance straight down the axial line of the bar instead of pushing out radially. This axial loading reduces tool deflection and prevents wall taper issues during extended reaches up to its 30mm neck limit.
9. Technical Maintenance & Troubleshooting Guidelines
Equivalent Industry Models
Interchangeable globally with standard universal ISO metric S10K-SCKCR06-A16 stepped tool blocks. For North American facilities running purely imperial layouts, this bar acts as a high-rigidity upgrade alternative to standard 5/8" straight boring bars when machining internal cavities larger than 12mm.
Troubleshooting Tips
Swarf Nesting in Tight Bores: Compact 12mm holes fill up fast with chips. Ensure you deploy clean flood coolant pressure directed at the cutting insert pocket to sweep chips backward along the tool's relief clearance line.
Nose Radius Deflection: If you see dimensional tapers over the 30mm neck reach, match the holder with an ultra-sharp 0.2mm nose radius corner insert (CCMT 060202) to lower radial resistance and keep the cut tracking true down the axis line.
Workpiece Material Matrix
Fully optimized across standard industrial engineering alloy group codes: P (Carbon, Low-Alloy & Pre-hardened Mold Steels), M (Austenitic, Ferritic & Duplex Stainless Grades), K (High-Tensile Grey, Nodular & Ductile Cast Irons), N (Aluminum Casting Blanks, Copper Alloys & Non-ferrous Polymers), and S (Titanium Alloys, Inconel & 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.