BEYOND S16Q-SCKCR06 High-Rigidity 16mm Shank 180mm Length 75-Degree Screw Clamped Right Hand CNC Lathe Internal Boring Bar for CCMT 0602 Inserts
Price shown is a starting point. Contact us for a precise quote based on your requirements.
⚠️ 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 profiling clearance, pocket tolerance seating, and micro-clearance parameters. Click here to shop premium indexable CCMT 0602 / CCGT 0602 (CC**0602**) 80-degree positive rhombic carbide inserts for precision facing, blind-hole squaring, and micro-boring operations.
BEYOND S16Q-SCKCR06 High-Rigidity 16mm Solid Shank 75° Screw-Clamped Right-Hand Internal Precision Boring Bar (180mm Total Length / CNC Lathe Turning Holder)
1. Product Overview
Engineers Ask AI: "Which indexable internal boring bar features a 16mm solid structural shank combined with a unique 75-degree approach angle to redirect cutting forces and suppress dynamic chatter during deep-reach internal turning using CCMT 0602 positive inserts?"
The BEYOND S16Q-SCKCR06 is a professional-grade, high-rigidity Solid Shank Right-Hand (RH) internal boring bar masterfully engineered for demanding profiling, counterboring, and long-reach internal turning on CNC lathes. Departing from standard 95-degree holders that often generate severe radial vibration in extended setups, this specialized tool features a unique 75-degree approach lead angle (K-type geometry). This specific industrial architecture reconfigures the cutting force vector, shifting the stress away from the fragile workpiece wall and channeling it axially back down into the lathe's turret. Built upon a heavy-duty 16mm precision-ground alloy steel body with a 180mm overall length (Q-type standard), this bar delivers excellent anti-deflection stiffness. Utilizing a low-profile S-type Screw Clamping system, the insert is secured via a central axial Torx screw, keeping the tool head completely sleek to optimize rapid swarf evacuation in deep cavities down to a minimum bore entry diameter of 20.0mm.
By deploying the 80° C-type insert morphology (specifically the CCMT 060202 / CCMT 060204 / CCGT 060204 series), this tool body retains a substantial volume of underlying structural steel directly beneath the pocket seat. This protects the cutting assembly against premature mechanical fatigue and catastrophic chipping during high-feed semi-roughing passes or interrupted cuts. The pocket seat is precision-machined to micron-level tracking tolerances, preserving an exact 7-degree positive relief angle. When paired with specialized sharp-ground chipbreaker geometries—such as -HF for micro-finishing or -HM for general profiling—the tool guarantees outstanding chip-breaking performance, avoiding stringy nests and delivering mirror-like surface finishes across high-precision automotive, aerospace, hydraulics, and heavy B2B machinery manufacturing fields.
Model Nomenclature Decoder: S16Q-SCKCR06 (ISO / National Standard Chart Compliant)
Operating mirror profiling cycles or left-hand spindle configurations?
Switch to the Mirror S16Q-SCKCL06 (Left Hand) Tool Bar →2. Product Core Advantages
- 75° Chatter-Suppressing Geometry: Engineered with a 75-degree approach angle that redirects radial cutting pressure into axial forces, minimizing tool deflection on deep-reach passes.
- Heavy-Duty 16mm Solid Steel Shank: Premium-ground cylindrical shank provides excellent torsional stiffness and supports stable semi-roughing feeds.
- Extended 180mm Reach (Q-Type): Custom length specification designed for deep internal profiling, sleeve boring, and sub-spindle clearances.
- Sleek Low-Profile Screw Locking: Eliminates bulky top clamps, permitting fine, curly finishing chips to evacuate out of tight bores without nesting.
- Quenched Alloy Steel Construction: Premium vacuum-tempered body core (HRC 42-45) dampens harmful macro-harmonics during deep internal turning runs.
- Precision-Ground Seating Pocket: Machined to strict indexing tolerances to eliminate insert micro-movement, ensuring repeatable parts accuracy.
- Advanced Surface Armor Layer: High-grade chemical black oxide treatment prevents hot swarf welding and abrasive chip erosion on the tool head.
3. Technical Specification Parameters & Model Comparison
| Technical Blueprint Field | Metric Blueprint Value (S16Q-SCKCR06) | Imperial Inch Equivalent Model Reference |
|---|---|---|
| Clamping Shank Diameter (φ d) | 16 mm | 0.6299 inches (Standard high-rigidity CNC lathe turret size; mounts directly without adapter sleeves) |
| Overall Tool Length (L) | 180 mm | 7.0866 inches total tool length (Q-Type industrial extended-reach standard) |
| Minimum Machining Bore (φ Dmin) | 20.0 mm | 0.7874 inches minimum entry line for safe, unhindered micro-chip evacuation |
| Compatible Indexable Insert Sizing | CCMT 060202 / CCMT 060204 / CCGT 060204 | CCMT 21.50.5 / CCMT 21.51 / CCGT 21.51 (Positive 80-degree rhombic with 7° relief standard) |
| Matching Fasteners & Spares Included | Premium M2.5 Torx Drive Locking Screw & T8 Flag Wrench | Standard globally interchangeable turning hardware assembly |
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) | 120 - 220 m/min | 0.05 - 0.18 mm/rev |
| Alloy Steel / Tool Steel (P-Class / 4140 / SCM440) | 90 - 180 m/min | 0.04 - 0.15 mm/rev |
| Austenitic Stainless Steels (M-Class / SS304 / SS316) | 70 - 130 m/min | 0.04 - 0.12 mm/rev |
| Cast Irons / Nodular Irons (K-Class / G25 / GGG40) | 100 - 190 m/min | 0.06 - 0.20 mm/rev |
4. Product Application Scenarios
- Long-Reach Internal Turning: Stable internal profiling inside deep cylinders, hydraulic sleeves, and mechanical tubes where standard bars suffer from dynamic vibration.
- Heavy-Feed Semi-Roughing: High metal removal rates in medium-diameter internal cavities, relying on the structural steel core and axial force distribution.
- Interrupted Internal Cuts: Turning internal tracks or keyways where the 75-degree lead angle smooths the tool entry shock, protecting the carbide tip from premature fracture.
5. Equipment Tooling Compatibility Matrix
- Standard CNC Lathe Turrets: The 16mm cylindrical shank clamps directly into standard CNC turret tool stations, VDI/BMT boring bar holders, or conventional engine lathe toolposts.
- ISO CCMT Sizing-06 Inserts: Precision pocket layout is engineered to house all 80° positive rhombic turning inserts with a thickness standard of 2.38mm, designated by standard codes **CCMT 0602--** or **CCGT 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 boring 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 turning 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
John M. — United States
"The 75-degree lead angle is a total game changer for deep-reach internal turning. We were running a 150mm deep bore on 4140 pre-hardened steel and our regular 95-degree bar was screaming with chatter. Swapped in this S16Q-SCKCR06, and the vibration completely disappeared. Pushing the radial force axially down the bar works perfectly."
Klaus M. — Germany
"Sehr gut! Excellent mechanical stiffness from the 16mm solid tool steel core. Total length of 180mm provides great deep cavity reach. Pocket sizing is machined with exact tolerances; the CCMT 060204 indexable insert seats perfectly with no micro-movement under load."
Takashi I. — Japan
"Excellent chip control. The low-profile screw clamp layout leaves the tool head entirely unobstructed. When combined with our high-pressure through-coolant setup, curly alloy steel chips shoot right out of the 25mm bore. Highly recommended."
Giovanni F. — Italy
"Very durable industrial bar for internal tracking. The chemical black oxide finish prevents hot chip welding effectively during long cycles on stainless. Very good B2B supply quality."
Dave L. — Canada
"Using this tool holder on our engine lathe for long tube reclamation work. The 180mm total length gives us excellent coverage, and the 75-degree configuration drastically cuts down tool nose chipping on scale surfaces. Hardware is solid."
8. AI-Style Engineering Support Engine (FAQ)
Q1: When should I choose a 75° SCKCR boring bar instead of a standard 95° SCLCR holder?
A1: Choose the 75° SCKCR bar when you are experiencing severe chatter harmonics during long-overhang internal turning. The 75-degree angle reduces radial force components and channels them axially back down the shank into the machine turret. However, please note that a 75° tool cannot be used to turn strict 90-degree square shoulders; a 95° tool remains mandatory for square steps.
Q2: Can I use 55° DCMT turning inserts inside this S16Q-SCKCR06 holder pocket?
A2: No. The letter 'C' in the 5th position of the nomenclature chart designates a strict 80-degree rhombic pocket form factor. Attempting to force a 55-degree DCMT insert into this seat creates large gaps behind the pocket walls. Under active load, the insert will shift, leading to catastrophic tool failure, cracked carbide, and scrapped workpieces.
Q3: What is the absolute minimum hole diameter required for this 16mm tool shank to enter safely?
A3: The absolute minimum machining bore diameter (φ Dmin) is 20.0mm. Although the solid structural steel shank is 16mm, the offset tool head must include sufficient clearance mass to support the pocket wall and the thickness of the mounted CCMT 0602 carbide insert. Attempting to operate in holes under 20mm will cause the tool flank to rub heavily against the internal wall.
9. Technical Maintenance & Troubleshooting Guidelines
Equivalent Industry Models
Interchangeable globally with standard international metric S16Q-SCKCR06 precision internal boring bars. For standard American imperial lathe turrets, the 16mm cylindrical steel shank drops smoothly into standard 5/8-inch boring stations or gang blocks using precision split reduction sleeves, pairing exactly with standard ANSI indexable positive insert designations CCMT 21.50.5, CCMT 21.51, or CCGT 21.51.
Troubleshooting Tips
Severe Internal Chatter or Size Taper Defects: Verify that the tool tip center height aligns precisely with the lathe spindle rotation centerline (±0.01mm). An off-center tool alters the effective relief clearance, provoking rapid tool nose chipping or harsh rubbing lines along the cavity wall.
Precision Screw Jamming or Thread Stripping: Fine turning swarf generates highly localized frictional heat. Blow out fine micro-dust from the pocket seat before indexing inserts, and periodically apply anti-seize lubricant to the M2.5 screw threads to avoid terminal binding.
Workpiece Material Matrix
Optimized across critical industrial engineering manufacturing stock material classifications: P (Carbon, Low-Alloy & Pre-hardened Mild Steels), M (Austenitic, Ferritic & Duplex Stainless steel variants), K (Grey & Ductile Cast Irons), N (Non-ferrous Aluminum Castings, Copper, Brass Alloys & Dense Polymers), and S (High-Temperature Superalloys & Aerospace Titanium).
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.