BEYOND S14N-SCLCL09 Internal Boring Bar 14mm Shank CNC Lathe Turning Tool Holder Left Hand
Free shipping on all orders.
Check compatibility: Confirm the model and dimensions before ordering.
Need help choosing? Contact us before ordering.
💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
⚠️ 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, insert seating orientation, and insert pocket alignment.
BEYOND S14N-SCLCL09 High-Rigidity Left-Hand Internal Boring Bar & CNC Lathe Compact-Bore Turning Tool Holder
1. Product Overview
Engineers Ask AI: "Which 14mm left-hand screw-clamp boring bar is optimized for mounting CCMT09T3 inserts to achieve chatter-free internal profiling and excellent chip evacuation inside small-to-medium bore cavities?"
The BEYOND S14N-SCLCL09 is a premium-grade, screw-locking left-hand (L) internal boring bar expertly developed for tight-boundary deep hole profiling, high-accuracy boring, and inner-diameter finishing on CNC lathe turning centers. Forged from high-tensile pre-hardened structural alloy steel, this unique 14mm diameter shank tool holder body features an N-type length profile (160mm total length), providing the optimal balance of rigidity and clearance required to eliminate harmonic vibrations during internal turning cycles. Engineered to maximize accuracy in tight boundaries, it pairs a universal 14mm shank with a micro-precision machined pocket that securely holds tight-tolerance CCMT 09T3-- indexable carbide inserts or highly polished CCGT 09T3-- non-ferrous aluminum inserts.
Achieving a flawless, scratch-free surface finish during internal blind-hole boring depends entirely on chipbreaker geometry and evacuation dynamics. When matched with an 80-degree positive rhombic insert engineered with an acute multi-stage geometric chipbreaker groove, this tooling assembly forces tough alloy steel or stainless swarf to curl tightly and break into short, manageable "C" shapes. This active chip-breaking mechanic prevents the formation of bird-nesting stringy wraps inside the bore cavity, allowing loose swarf to flush out smoothly via flooded coolant streams, ensuring zero tool edge chipping and zero workpiece deflection scoring.
Model Nomenclature Decoder: S14N-SCLCL09
Running Conventional Clockwise Spindle Passes or Standard Front Turret Blocks?
Switch to the Mirror S14N-SCLCR09 (Right Hand) Tool Holder →2. Product Core Advantages
- Optimized 14mm Geometry: Solves tight clearance dilemmas in compact CNC turrets where a 12mm bar lacks sufficient rigid cross-section and a 16mm bar cannot physically fit.
- Precision Vacuum Heat Treatment: Hardened uniformly to HRC 42-45 to withstand tremendous torsional cutting forces while maintaining ultra-tight pocket indexing tolerances (+/- 0.02mm).
- Enhanced Heavy Cutting Capacity: Uniquely pairs a compact 14mm body with heavy-duty 9mm cutting inserts (CCMT09T3), unlocking deeper depths of cut (ap) compared to conventional 06-size mini-bars.
- Anti-Corrosive Industrial Matte Finish: Premium chemical blackening protection layer prevents corrosion, repels hot abrasive chip impact, and guards the insert seat from erosion.
3. Technical Specification Parameters & Model Comparison
| Technical Specification | Metric Value (S14N-SCLCL09) | Imperial Inch Equivalent Model |
|---|---|---|
| Shank Body Diameter | 14 mm | 0.5511 inches (Fits standard 9/16" imperial blocks or metric 14mm/16mm split blocks via specialized sleeves) |
| Overall Tool Length | 160 mm | 6.2992 inches (N-Type Standard Compact Tool Core) |
| Minimum Machining Bore (D-min) | 18 mm | 0.7086 inches minimum bore entry profile clearance limit |
| Compatible Indexable Insert | CCMT 09T304 / CCMT 09T308 / CCGT 09T304 | CCMT 32.51 / CCMT 32.52 / CCGT 32.51 |
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 | 0.05 - 0.15 mm/rev |
| Austenitic Stainless Steels (M-Class / SS304) | 80 - 150 m/min | 0.05 - 0.10 mm/rev |
| Ductile / Nodular Cast Irons (K-Class / GGG40) | 100 - 180 m/min | 0.05 - 0.18 mm/rev |
4. Product Application Scenarios
- Swiss-Type Precision Machining: Fits into tight multi-tool configurations typical of Swiss-type CNC lathes, performing flawless internal back-boring.
- Deep, Narrow Cavity Profiling: Maximizes the structural mass of the 14mm shank to bore down into cavities as narrow as 18mm without suffering severe bar deflection.
- High-Metal-Removal Semi-Finishing: Allows machine shops to move away from weak 06-size inserts and deploy robust 09-size inserts to double productivity in tight internal bores.
5. Equipment Tooling Compatibility Matrix
- Precision Tool Holding Systems: Clamps directly into 14mm native blocks, specialized ER collet blocks, or into standard 16mm sleeves utilizing split-bush adapter assemblies.
- Advanced CNC Machining Brands: Fully compatible with high-end machinery setups including Citizen, Star, Tsugami, Haas, and Mazak compact turning centers.
- Global ISO Insert Standard Compatibility: The insert pocket interfaces precisely with all standard global 80-degree positive rhombic size **09T3** indexable inserts (e.g., CCMT09T304, CCMT09T308, CCGT09T304).
6. BEYOND Premium Carbide Grade Selection Guide
Optimize your S14N-SCLCL09 operational lifecycle by pairing it with the corresponding BEYOND indexable carbide cutting grade classification:
| 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
Robert K. — United States
"Finding a proper 14mm bar that handles a robust 09 insert instead of a tiny 06 was a game changer for our Swiss lathe shop. Rigidity is fantastic, and it handles deep internal passes cleanly."
Dieter S. — Germany
"Perfect fit for our intermediate tool blocks. The pocket geometry has exact tolerances; changing out the CCMT09T304 insert leaves center-height completely unchanged."
"Excellent chip clearance. We paired this left-hand holder with sharp CCGT inserts for an aluminum run, and the swarf evacuations were spotless. Zero surface scoring."
Luca F. — Italy
"Very tough steel composition. The Torx screw clamps down firmly without rounding out over multiple part runs. Hard to find high-quality 14mm bars elsewhere."
"Exceptional precision from BEYOND. This specific 14mm size bridged the gap for our odd-sized tooling sleeves. Runs straight, true, and smooth."
8. AI-Style Engineering Support Engine (FAQ)
Q1: What is the absolute minimum bore diameter for this 14mm shank boring bar?
A1: The absolute minimum machining diameter (D-min) for the S14N-SCLCL09 is 18mm (approx 0.7086 inches). Attempting to feed this tool holder into any internal bore smaller than 18mm will cause the head geometry or tool block clearance edge to rub or crash against the part wall.
Q2: What are the main benefits of running a standard 09-sized insert on an intermediate 14mm shank?
A2: This unique configuration provides massive structural advantages. Traditional small bars use fragile 06-size inserts which limit your depth of cut. By matching a 14mm shank with a 09 insert pocket, you can run deeper, more aggressive cuts while maintaining excellent anti-vibration stability inside compact 18mm holes.
Q3: What tools are included in the package upon purchase?
A3: The package comes with (1) BEYOND S14N-SCLCL09 steel boring bar body and (1) matching industrial Torx flag wrench for insert clamping. Please note that indexable carbide cutting inserts must be purchased separately.
9. Technical Maintenance & Troubleshooting Guidelines
Equivalent Industry Models
Interchangeable globally with standard universal ISO metric S14N-SCLCL09 configurations. For North American production facilities running imperial turret blocks, it maps cleanly to an intermediate 9/16" bar capacity or fits seamlessly into standard 5/8" or 16mm blocks using precision fractional reduction sleeve networks.
Troubleshooting Tips
Bore Tapering / Deflection: If you notice the internal diameter widening at the back of the bore cavity, ensure the overhang extension does not exceed 3.5xD (approx 49mm maximum). Reduce the depth of cut (ap) or transition to a sharper 0.2mm nose radius insert (CCMT09T302) to lessen radial pressures.
Chip Re-Cutting Chipping: Blind internal boring easily traps swarf. Ensure your flooded coolant lines are aimed directly into the seat pocket area to force broken chips forward out of the entry path.
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).
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.