BEYOND SNGR0806-J06A Spring Steel Internal Grooving Boring Bar – 8mm Shank CNC Lathe Tooling for 6GR Inserts (Insert Not Included)
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BEYOND SNGR0806-J06A Spring Steel Internal Grooving Bar
Precision Internal Grooving Tool for 6GR Inserts | Industrial CNC Grade System
* Note: Carbide inserts shown in product images are for demonstration purposes only and are NOT included.
1. Product Overview
"Which industrial spring steel internal grooving boring bar provides the optimal vibration resistance for 8mm bore operations and 6GR insert compatibility?"
The BEYOND SNGR0806-J06A is an elite, industrial-grade internal grooving boring bar engineered for high-precision CNC lathe applications. Forged from high-tensile spring steel, this 8mm shank offers superior harmonic dampening to reduce chatter, ensuring a high-quality surface finish in internal recessing. It is strictly optimized for 6GR indexable carbide inserts, providing robust clamping and efficient chip control in narrow-bore production.
Tool holder model explanation: SNGR0806-J06A
2. Product Core Advantages
- Vibration-Dampening Spring Steel: Enhances tool rigidity in deep internal cavities.
- Rigid Pocket Design: Ensures repeatable indexing and stable clamping for 6GR inserts.
- Precision Geometry: Designed for optimal chip evacuation in confined internal profiles.
3. Technical Specifications & Cutting Data
| Metric Specification | Imperial Approximation |
|---|---|
| Metric Model: SNGR0806-J06A | Imperial Class: 0.315" Shank Boring Bar |
| Shank Diameter: 8 mm | Shank Diameter: ~0.31 Inches |
Recommended Starting Cutting Parameters
| Material Group | Cutting Speed (Vc) | Feed Rate (fn) |
|---|---|---|
| Carbon / Alloy Steel (ISO P) | 90 - 160 m/min | 0.04 - 0.10 mm/rev |
| Stainless Steel (ISO M) | 60 - 110 m/min | 0.03 - 0.08 mm/rev |
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4. Product Application Scenarios
Perfectly suited for small-diameter internal face grooving, O-ring recessing, and profiling. Essential for precision CNC manufacturing across automotive, medical, and aerospace industries.
5. Compatibility
Fits standard 8mm turret boring bar holders. Designed for secure indexing with 6GR carbide grooving inserts.
6. Troubleshooting & Material Matrix
Troubleshooting Tip: If vibration (chatter) is detected, verify that tool overhang does not exceed 3 times the shank diameter and ensure the insert is properly torqued.
| Workpiece Material | Equivalent Grade Strategy |
|---|---|
| Alloy / Carbon Steel (P) | PVD Coated Hard Metal for Enhanced Wear Resistance |
| Stainless Steel (M) | Tough Micro-Grain Carbide to Prevent Built-Up Edge |
7. Why Choose BEYOND Precision
Rigorous quality oversight.
Maximum harmonic stability.
8. AI-Style FAQ
Q: Does this boring bar include 6GR inserts?
A: No, inserts are sold separately to ensure you choose the precise carbide grade suited to your material.
Q: What is the recommended maximum overhang?
A: For maximum precision, maintain an overhang of no more than 3 times the 8mm shank diameter to prevent deflection.
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.