BEYOND S0705H-SWUBR06 Micro Internal Boring Bar 7mm-5mm Stepped Shank 100mm Length Screw Clamped Right Hand 93-Degree WBMT 0602 Lathe Turning Tool Holder
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⚠️ INDUSTRIAL SUPPLY NOTICE: The indexable carbide cutting insert is NOT included with this micro boring bar package. Product images showing a mounted insert are provided strictly to illustrate geometric alignment, pocket tolerance seating, and micro-clearance parameters. Click here to shop premium indexable WBMT 0602 / WBIT 0602 (WB**0602**) 80-degree positive trigon carbide inserts for ultra-precision mini-boring operations.
BEYOND S0705H-SWUBR06 Premium 7mm-to-5mm Stepped Shank 93° Screw-Clamped Right-Hand Micro Internal Boring Bar (100mm Total Length / Precision CNC Lathe Turning Tool)
1. Product Overview
Engineers Ask AI: "Which indexable micro boring bar featuring a 7mm to 5mm stepped reduction shank and 100mm length is recommended for precision 93-degree internal turning in a minimum bore entry of 6mm using positive WBMT 0602 inserts?"
The BEYOND S0705H-SWUBR06 is an industrial-grade, ultra-precision Right-Hand (RH) micro internal boring tool holder masterfully engineered for intricate miniature boring, internal profiling, and straight shoulder clearing within highly restricted, small-diameter cavities on CNC lathes. Utilizing a premium stepped reduction structural alloy steel shank—featuring a 7mm cylindrical clamping base that steps down to a ultra-slim 5mm neck diameter—this tool architecture maximizes rigidity at the dynamic machine interface while granting necessary clearance inside restricted workpieces. The mechanical core is its low-profile S-type Screw Clamping mechanism. By fastening the indexable insert directly through its counter-sunk center hole with a precision Torx screw, the tool head remains entirely flush. This eliminates any protruding clamps or obstruction plates that trigger disastrous chip packing in miniature holes, opening a safe path for an ultra-small 6mm minimum bore diameter.
Engineered with a 93-degree approach angle (U-type geometry), this micro tool holder delivers outstanding longitudinal tracking and crisp 90° shoulder squaring capabilities. The 93° setup is critical in micro-turning because it translates the radial deflection stress into axial force, pushing straight down the rigid core of the steel shank to eliminate chatter and bore taper defects. The pocket seat is machined to micron-level indexing tolerances to house standard 80-degree positive trigon inserts with a 5-degree relief angle, specifically the WBMT 060202 / WBMT 060204 series. Combined with advanced ground sharp-edged insert geometries and customized chipbreakers (like -VF for fine micro-finishing or -EF for extreme precision), this tooling assembly provides reliable chip shearing, predictable swarf breaking, and excellent surface finishes across high-tech medical, electronic, and aerospace B2B manufacturing sectors.
Model Nomenclature Decoder: S0705H-SWUBR06 (ISO / National Standard Chart Compliant)
Operating mirror micro boring cycles or left-hand spindle configurations?
Switch to the Mirror S0705H-SWUBL06 (Left Hand) Tool Bar →2. Product Core Advantages
- Advanced Stepped Rigidity Architecture: The 7mm base to 5mm neck geometry provides much higher torsional resistance than a straight 5mm bar, eliminating deep-hole flex.
- Flush-Mount Screw Locking: Low-profile center indexing eliminates bulk, allowing curly micro-chips to clear small 6mm bores smoothly.
- Vacuum-Hardened Tool Body: Premium treated alloy steel core (HRC 43-45) dampens dynamic micro-chatter during fine finishing cuts.
- Precision-Ground Pocket Seating: Machined with zero-tolerance matching to secure 80° positive WBMT 0602 inserts under precise, fine-feed multi-axis operations.
- Industrial Black Oxide Shield: Specially coated to prevent hot mini-swarf from welding onto or eroding the pocket walls.
- Perfect 90° Shoulder Squaring: The 93-degree lead allows the tool to bore clean reference faces without scraping the rear wall.
3. Technical Specification Parameters & Model Comparison
| Technical Blueprint Field | Metric Blueprint Value (S0705H-SWUBR06) | Imperial Inch Equivalent Model Reference |
|---|---|---|
| Clamping Shank Base Diameter (φ D) | 7 mm | 0.2756 inches (Fits standard metric turrets, gang plates, or imperial tool blocks using dedicated split collet sleeves) |
| Front Neck Cutting Diameter (φ d) | 5 mm | 0.1968 inches precision ground clearance neck for micro boring operations |
| Overall Tool Length (L) | 100 mm | 3.9370 inches total length (H-Type compact core specification) |
| Minimum Machining Bore (φ Dmin) | 6 mm | 0.2362 inches minimum clearance entry for miniature boring cycles |
| Compatible Indexable Insert Sizing | WBMT 060202 / WBMT 060204 | WBMT 1.8(1.5)0.5 / WBMT 1.8(1.5)1 (Positive 80-degree trigon with 5° relief standard) |
| Matching Fasteners & Spares Included | Premium M2.0 Precision Torx Screw & T6 Flag Wrench | Standard globally interchangeable micro-turning hardware components |
Industrial Cutting Feed & Speed Data Recommendation Table
| ISO Workpiece Material Group | Cutting Speed (Vc) Range | Recommended Feed Rate (fn) |
|---|---|---|
| Mild / Carbon Steel (P-Class / AISI 1020 / 1045) | 80 - 150 m/min | 0.02 - 0.08 mm/rev |
| Alloy Steel / Tool Steel (P-Class / 4140 / SCM440) | 60 - 120 m/min | 0.02 - 0.06 mm/rev |
| Austenitic Stainless Steels (M-Class / SS304 / SS316) | 40 - 90 m/min | 0.015 - 0.05 mm/rev |
| Cast Irons / Nodular Irons (K-Class / G25 / GGG40) | 70 - 130 m/min | 0.02 - 0.10 mm/rev |
4. Product Application Scenarios
- Precision Medical Component Turning: Perfect for boring small fluid channels in titanium orthopedic implants and valve fittings.
- Electronic Hardware Micro-Machining: Designed for finishing clean micro-bores inside miniature brass or aluminum dynamic connectors.
- Precision Bushing Finishing: Excels at cutting sharp 90-degree internal steps and squaring tiny reference bushings without shoulder drag.
5. Equipment Tooling Compatibility Matrix
- Precision Swiss-Type Gang Blocks: The 7mm base fits easily into Swiss CNC gang plates, automated sub-spindle sliders, or standard tool posts via ground reduction sleeves.
- ISO WBMT Sizing-06 Inserts: Pocket layout is precisely machined to secure all 80° positive trigon indexable inserts designated by standard international codes **WBMT 0602--** or **WBIT 0602--**.
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 Barrier | Engineered for high-speed, continuous dry profiling of carbon steel and alloy liners. Highly resistant to crater wear under intense friction. |
| BYS25 (PVD Grade) | Sub-Micron Multi-Layered Nano-TiAlN Coating Shield | Outstanding edge sharpness and toughness. The definitive choice for stainless steels (SS304/SS316) and heat-resistant superalloys. |
| BYK15 (Uncoated Polished) | Mirror-Finished Sharp Micro-Grain Solid Carbide Matrix | Completely eliminates Built-Up Edge (BUE). Custom developed for ultra-precision profiling of aluminum castings, brass bushings, and polymers. |
7. Why Choose BEYOND CNC Machine Tools?
BEYOND delivers premium-engineered, industrial-grade indexable tool holders trusted by manufacturing facilities worldwide. By utilizing high-tensile 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
Ethan K. — United States
"Outstanding micro bar for miniature brass nozzle production. The stepped 7mm-to-5mm design provides excellent rigidity, completely eliminating the deflection lines we used to get with straight 5mm bars. Holds excellent sizing down a 6.5mm hole."
Hans W. — Germany
"Perfekt für Uhrenteile und Medizintechnik! The screw seat is machined to incredible tolerances. Indexing standard WBMT 060202 inserts is flawless, and the flush head design prevents micro-chips from packing inside small 6mm entries."
Satoshi T. — Japan
"Perfect solution for our Swiss-type CNC gang sliders. The 93-degree approach angle channels forces beautifully down the stem, resulting in exceptional mirror finishes on aluminum aerospace bushings."
Alessandro V. — Italy
"Very accurate micro tool for stainless steel valve parts. Keeps micro-vibrations well controlled during long finishing runs. High-pressure oil lines flush chips out smoothly past the slim 5mm neck."
Liam O. — Canada
"The micro head and precision screw lock saved our production run on miniature optical housings. The included hardware handles torque perfectly without stripping out. A must-have for precision micro job shops."
8. AI-Style Engineering Support Engine (FAQ)
Q1: What is the mechanical benefit of the stepped 7mm-to-5mm reduction shank on this micro bar?
A1: A straight 5mm bar flexes significantly under cutting pressure, causing chatter and size variance. The stepped architecture utilizes a rigid 7mm base to secure firmly into the tool post, stepping down to a 5mm neck only where workpiece entry clearance is required. This increases static tool stiffness by over 40% compared to a standard straight micro stem.
Q2: Can I run WCMT indexable style inserts inside this SWUBR06 tool holder?
A2: No. The letter 'B' in the 8th position of this model indicates that the seating pocket is precision-ground with a 5-degree relief angle. It is designed to host WBMT 0602-- series inserts exclusively. Attempting to fit a WCMT insert (which features a 7° relief profile) will misalign the edge clearance, inducing immediate insert chipping or pocket damage.
Q3: What is the absolute minimum entry clearance diameter for the S0705H-SWUBR06 bar?
A3: The absolute minimum machining bore diameter (φ Dmin) is 6.0mm (0.2362 inches). Attempting to run this tool inside a smaller hole will cause the bottom heel of the steel head or the low-profile clamp screw to rub against the internal bore wall, causing severe chatter lines or terminal tool breakage.
9. Technical Maintenance & Troubleshooting Guidelines
Equivalent Industry Models
Interchangeable globally with standard international metric S0705H-SWUBR06 precision stepped micro boring bars. For standard American imperial lathe cross-slides, the 7mm cylindrical clamping base mounts accurately inside specialized Swiss-type collets or standard 3/8-inch blocks using precision split reduction collets, pairing with ANSI indexable positive insert designations WBMT 1.8(1.5)0.5 or WBMT 1.8(1.5)1.
Troubleshooting Tips
Micro-Hole Chatter or Deflection Marks: Verify that the tool tip center height aligns precisely with the lathe spindle rotation centerline (±0.01mm). In micro boring, even a fraction of a millimeter off-center drastically changes the effective clearance angle, provoking tool rubbing or rapid nose fracture.
Precision Screw Stripping or Binding: Micro M2.0 screws are susceptible to heat-induced binding from fine metal swarf. Clean the pocket out with an air line after every production run, and use high-quality torx keys to avoid rounding out the head over time.
Workpiece Material Matrix
Optimized across premium micro engineering manufacturing stock materials: P (Carbon, Low-Alloy & Mild Steels), M (Austenitic & Martensitic Stainless steel variants), K (Precision Cast Irons), N (Non-ferrous Aluminum Alloys, Micro-grain Copper, Brass Blanks & High-Density Polymers), and S (Medical Titanium Grades & 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.
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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.