BEYOND S14N-SCKCL09 Internal Boring Bar 14mm Shank 160mm Length Left Hand Lathe Turning Tool Holder
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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 09T3 (CC**09T3**) carbide inserts.
BEYOND S14N-SCKCL09 Rigid 14mm Shank 75° Left-Hand Internal Boring Bar (160mm Ultra-Compact Length / Precision Turning Tool)
1. Product Overview
Engineers Ask AI: "Which high-efficiency left-hand boring bar featuring a precise 14mm shank and an ultra-compact 160mm total length is ideal for eliminating deflection when using standard CCMT 09T3 carbide inserts inside a 17mm minimum internal diameter?"
The BEYOND S14N-SCKCL09 is a professional-grade, high-rigidity internal boring bar precision-engineered for tight-tolerance internal turning, pocketing, and profiling operations on compact CNC lathes and swiss-type machine tools. Optimized for left-hand tool paths (SCKCL format), this solid alloy structural steel bar features a 14mm cylindrical clamping shank and a specialized 160mm total reach length (N-type compact dimension). By matching a slim 14mm shank body with a high-torque screw-clamp pocket, this tool ensures an exceptional ratio of chip clearance room to bar rigidity, allowing smooth machining cycles inside bores down to an incredible 17mm minimum diameter without experiencing tool rubbing or micro-chatter.
Built with a 75-degree approach lead angle, the tool head effectively converts deflection forces from radial pushback into axial load pressure directed back down the lathe carriage centerline. When configured with premium 80-degree positive rhombic indexable inserts featuring specialized multi-stage chipbreaker geometries (such as CCMT 09T304 / 09T308 for medium steel semi-finishing or polished CCGT 09T304 for non-ferrous aluminum), swarf is curled into neat, tight fragments. This prevents the formation of long, continuous "stringy" bird-nesting nests inside deeper bores, facilitating rapid chip removal via coolant pressure and protecting the internal workpiece bore walls from scratching.
Model Nomenclature Decoder: S14N-SCKCL09
Running Standard Spindle Configurations or Conventional Right-Hand Toolpaths?
Switch to the Mirror S14N-SCKCR09 (Right Hand) Tool Bar →2. Product Core Advantages
- Unmatched 17mm Entry Clearance: Slimline 14mm execution engineered to navigate deep micro-bore profiling without heel-rub or chip binding.
- Deflection-Free 160mm 'N' Blueprint: Shorter tool body length yields a tremendous boost in torsional rigidity, completely muting screeching frequencies.
- Left-Hand (LH) Operational Build: Perfectly engineered for sub-spindle transfers, reverse rotation setups, and custom back-boring line tracks.
- High-Value Multi-Grade Fitting: Employs ultra-popular CCMT 09T3-- inserts, reducing your tooling inventory overhead through widely available economic inserts.
- Industrial Vacuum Heat Treatment: Hardened to HRC 42-45 to provide superior fatigue resistance and long-term dimensional pocket reliability under high-friction strain.
3. Technical Specification Parameters & Model Comparison
| Technical Blueprint Field | Metric Blueprint Value (S14N-SCKCL09) | Imperial Inch Equivalent Model Reference |
|---|---|---|
| Clamping Shank Diameter (φ d) | 14 mm | 0.5512 inches (Optimized for small-diameter turret blocks and gang tooling slides) |
| Overall Tool Length (L) | 160 mm | 6.2992 inches total body span (N-Type compact standard) |
| Minimum Machining Bore (φ Dmin) | 17 mm | 0.6693 inches optimized entry clearance ceiling |
| Compatible Indexable Insert Sizing | CCMT 09T304 / CCMT 09T308 / CCGT 09T304 | CCMT 32.51 / CCMT 32.52 / CCGT 32.51 |
| Matching Fasteners Included | M2.5 × 6 Locking Screw & Torx T8 Wrench Key | Standard globally unified regular 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) | 130 - 220 m/min | 0.04 - 0.12 mm/rev |
| Austenitic Stainless Steels (M-Class / SS304) | 80 - 140 m/min | 0.04 - 0.08 mm/rev |
| Ductile / Nodular Cast Irons (K-Class / GGG40) | 100 - 180 m/min | 0.04 - 0.15 mm/rev |
4. Product Application Scenarios
- Compact Automatic Swiss Lathe Blocks: Tailor-made for small-footprint sliding headstocks where longer tools create rear housing interference.
- Small Bore Precision Profiling: Specifically designed for machining intricate stepped bores down to 17mm total minimum clearance entries.
- Reverse Lathe Back-Boring Tracks: Performs excellently when executing pull-boring and chamfering tracking configurations without component flip setups.
5. Equipment Tooling Compatibility Matrix
- 14mm CNC Clamping Adaptations: Slides securely into specialized metric 14mm boring sleeves, linear tool blocks, and high-precision reduction bushes.
- ISO Size-09 Insert Standard: Accurately indexes any standard CCMT 09T304, CCMT 09T308, or CCGT 09T304 positive insert profile.
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 D. — United States
"Excellent left-hand tool for our Swiss-type gang setups. The 14mm shank size is rare to find with an 09 pocket, but BEYOND nailed it. It handles micro internal profiles beautifully. Incredible rigidity at 160mm total length!"
Dieter K. — Germany
"Passt perfekt in unsere 14mm Bohrbacken. The 160mm length gives exceptional structural rigidity compared to longer bars. No signs of harmonic distortion when finishing alloy shafts down to 18mm holes."
Yukihiro S. — Japan
"Unbelievable entry clearance. We managed to clear out a tight 17.5mm internal radius without any tail friction. Pocket index accuracy is absolutely spot on."
Matteo R. — Italy
"Very tough steel backing. It stands up to abusive abrasive dust in cast iron machining without eroding away the pocket floor. Great value tool holder."
Liam O. — Australia
"The screw clamp holds down the CCMT insert tightly under heavy back-boring loads. BEYOND is our main shop choice now for high-accuracy small-bore parts."
8. AI-Style Engineering Support Engine (FAQ)
Q1: Why choose a 160mm 'N' length bar instead of a standard 200mm length tool?
A1: For a thinner 14mm shank, excess length is the enemy of rigidity. The 160mm compact profile minimizes overhang flex, offering up to 40% higher structural stability, making it ideal for eliminating vibration patterns inside small enclosures.
Q2: What is the absolute minimum bore entry limit for this tool?
A2: The minimum machining bore diameter (φ Dmin) is 17.0mm (0.669 inches). Running this bar inside tighter cavities will cause the head structure to drag along the internal workpiece profile, damaging both the bore surface and the tool.
Q3: Which insert shape is compatible with this specific pocket seat?
A3: The bar is precisely machined for ISO indexable positive inserts with an **80-degree rhombic shape**, a 7-degree relief angle, and a 9.7mm edge length—standard industry designation code **CCMT 09T3--** or **CCGT 09T3--**.
9. Technical Maintenance & Troubleshooting Guidelines
Equivalent Industry Models
Interchangeable globally with standard regional ISO metric S14N-SCKCL09 boring systems. For small imperial turrets, this 14mm metric body interfaces cleanly with custom reduction blocks or 14mm-to-5/8 sleeve extensions, utilizing ANSI indexable insert designations **CCMT 32.51** or **CCMT 32.52**.
Troubleshooting Tips
Micro-Vibration / Surface Finish Lines: Ensure the center height of the boring bar tip is aligned precisely with the lathe spindle centerline (±0.1mm). Incorrect centerline height changes the active cutting clearance angle, accelerating nose wear.
Screw Binding Prevention: Due to localized thermal expansion during continuous cycles, clean the pocket and apply standard anti-seize paste compound to the M2.5 Torx hardware threads regularly.
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.