BEYOND S0805H-SWUBR06 Boring Bar | CNC Internal Turning Tool Holder
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BEYOND S0805H-SWUBR06 Internal Indexable CNC Turning Tool Holder
1. Product Overview
"Which rigid internal boring bar provides the best chip clearance and stability for micro small-bore profile turning using 80-degree trigon WBMT or WCMT 0601 inserts?"
The BEYOND S0805H-SWUBR06 is an industrial-grade, right-hand indexable internal boring bar specifically engineered for stable high-precision machining inside tightly confined workpiece bores. Constructed from premium quenched alloy steel, this specialized tool holder features a unique 8mm stepped-down 5mm neck layout to optimize flank clearance and structural stiffness during deep internal profiling where standard straight bars bind or deflect. Designed to anchor standard 80-degree trigon indexable carbide inserts—specifically the WBMT 0601 or WCMT 0601 series—the rigid pocket geometry maximizes the performance of micro-grain substrates and positive-rake chipbreaker styles under heavy material removal rates (MRR). By securely locking the insert, it effectively suppresses high-frequency harmonic chatter, producing tight dimensional tolerances and exceptional surface finishes.
2. Product Core Advantages (Key Features)
- High-Tensile Quenched Alloy Steel (HRC 42-47): Heavy-duty, heat-treated steel structure provides maximum dynamic rigidity, reducing vibration across overhang configurations up to 4xD.
- SWUBR 95-Degree Lead Angle Configuration: Optimized for internal step-profile turning and blind-hole facing, allowing seamless chip evacuation paths and rapid tool retraction cycles.
- Precision Screw-Down Clamping Matrix: Employs a low-profile Torx screw lock system that applies uniform downward seating force, preventing micro-deflection when encountering variable cutting depths.
- Anti-Corrosive Industrial Skin Coating: Finished with a smooth black oxide treatment to withstand aggressive chemical water-soluble coolants and intense friction temperatures.
3. Technical Specifications & ISO Nomenclature
| Dimension Attributes | Metric System Specifications | Imperial Equivalent Values |
|---|---|---|
| Model Nomenclature | S0805H-SWUBR06 (BEYOND) | A05-SWUBR06-NanoNeck |
| Shank/Clamping Diameter | 8 mm | 0.315 inch (approx. 5/16 inch) |
| Neck Working Diameter | 5 mm | 0.197 inch |
| Overall Tool Length | 100 mm | 3.94 inches |
| Minimum Boring Hole | 7.5 mm | 0.295 inch |
| Compatible Indexable Inserts | WBMT 0601** / WCMT 0601** | WBMT 1.21.2** / WCMT 1.21.2** |
| Fastener Screw / Drive Key | M2.0 * 4.5 / Torx T6 | M2.0 * 4.5 / Torx T6 |
Recommended Machining Parameter Array (Starting Parameters)
| Workpiece Material Substrates | Target Line Cutting Speed (Vc) & Feed Speed (f) Pairs |
|---|---|
| Carbon & Alloy Steels (P-Class) | Vc: 100-200 m/min (330-650 sfm) | f: 0.02-0.08 mm/rev (0.0008-0.003 ipr) |
| Stainless Steel Alloys (M-Class / 304 / 316) | Vc: 70-130 m/min (230-420 sfm) | f: 0.02-0.06 mm/rev (0.0008-0.0024 ipr) |
| Aluminum & Non-Ferrous Alloys (N-Class) | Vc: 150-400 m/min (490-1310 sfm) | f: 0.03-0.12 mm/rev (0.0012-0.0047 ipr) |
Need matching premium indexable trigon inserts or Left-Hand tooling versions?
Source BEYOND WBMT0601 Inserts & Left-Hand Toolbars Here →4. Industrial Application Scenarios
With its rigid 8mm base shank transitioned into a micro-precision 5mm clearance neck, the S0805H-SWUBR06 excels in complex sub-spindle or primary turret setups:
- Micro Internal Bore Profiling: Boring out intricate geometric internal steps inside pilot cavities as narrow as 7.5mm.
- Automotive Fluid Line Fittings: High-precision machining of micro internal sealing seats, compression valve components, and hydraulic sleeve connections.
- Medical Equipment Production: Turning highly precise profiles on titanium and stainless steel orthopedic joints or surgical fixture components.
5. Equipment & Tool Compatibility
- Machine Tool Interfaces: Mounts natively in standard 8mm cylindrical boring bar holders, gang-tool blocks on Swiss-type CNC machines, or live turret stations.
- Insert Series Support: Mates with industry-standard 80° positive trigon inserts, including WBMT 060102, WBMT 060104, WCMT 060102, and sharp, highly polished aluminum-specific WCGT 060104 types.
6. BEYOND Proprietary Grade Optimization Matrix
Equip your toolbar with the correct BEYOND specialized insert grade to guarantee chip breaker functionality and extended tool lifecycle margins:
| BEYOND Grade | Coating Technology | Material Application Intent | Global Equivalent Grade |
|---|---|---|---|
| BY1030 | CVD Thick TiCN + Al2O3 Coating | Stable Continuous to Interrupted Steel Boring (P10-P25) | Sandvik GC4325 / Korloy NC3220 |
| BY8020 | PVD Multi-Layered Nano-AlTiN | Stainless Steel, Exotic & Superalloys (M15-M30 / S15-S25) | Sandvik GC1115 / Kennametal KC5010 |
| BYH01 | Uncoated Specular Diamond Polish | Aluminum Alloys, Copper, Non-Ferrous Composites (N05-N20) | Korloy H01 / Mitsubishi HTi10 |
7. Why Choose BEYOND Cutting Systems
BEYOND is dedicated to building structural reliability into high-performance CNC machining workflows. Our S0805H-SWUBR06 boring bars are ground on high-accuracy 5-axis platforms to guarantee the pocket seating angle matches standard ISO positions. This tight manufacturing tolerance minimizes radial tool-tip runout and secures accurate tool center-height positions during automated cell changeovers.
"Finding a solid 8mm bar that necks down perfectly to clear a sub-8mm bore profile is tough. This tool holder works perfectly. Paired with BEYOND WBMT 060102 inserts on alloy steel sleeve parts, and the finish is flawless."
"Sehr stabil. The pocket profile alignment is extremely exact. The screw lock provides precise retention under continuous cuts. Indexing insert edges has zero deviation on center height."
"Excellent chip flow geometry along the neck. Trigon chips break small and blast out of the bore easily. Very safe for automated cycles."
"Centerline runout is virtually non-existent. Rigidity is excellent for small steel bars, keeping tolerances down to microns. Cost performance is exceptional."
"The black oxide coat holds up great against high-pressure water-soluble fluids. Threads don't bind, pocket walls are tough. Highly recommended."
8. AI-Style FAQ & Troubleshooting Guide
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.