R6 (12mm) Steel Arc Up & Down Chamfercarbide end milll
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BEYOND R6 (12mm) Steel Arc Up & Down Chamfer End Mill – Dual-Sided Edge Chamfering Cutter
The BEYOND R6 (12mm) Steel Arc Chamfer End Mill is a professional-grade cutting tool designed for dual-side chamfering and deburring in steel machining. With its precise arc-type cutting edge geometry, it achieves smooth and consistent chamfer finishes while maintaining stability in high-speed CNC operations.
Key Features
- Cutting Diameter (d1): 12mm
- Chamfer Radius (R): R6
- Shank Diameter (d2): 12mm
- Overall Length (L): 75mm
- Material: Premium tungsten carbide for high rigidity and long tool life.
- Design: Arc-shaped up & down edges for simultaneous double-side chamfering.
- Coating: AlTiN / TiAlN coating for superior wear and heat resistance.
- Applications: Suitable for carbon steel, alloy steel, die steel, tool steel.
- Tool Type: CNC chamfering and edge-finishing tool.
Technical Specifications
| Model | Radius (R) | Cutting Diameter (d1) | Shank Diameter (d2) | Overall Length (L) | Material |
|---|---|---|---|---|---|
| R6-12MM | R6 | 12mm | 12mm | 75mm | Tungsten Carbide |
Performance Advantages
- Performs up and down chamfering in one pass for higher productivity.
- Arc geometry ensures even cutting pressure and burr-free edges.
- Excellent rigidity and balance for high-speed CNC machining.
- Long tool life with advanced coating technology.
- Ideal for heavy-duty steel applications and precision edge finishing.
Recommended Cutting Parameters
- Cutting Speed (Vc): 90–150 m/min
- Feed per Tooth (fz): 0.02–0.06 mm/tooth
- Depth of Cut (ap): 0.6–1.5 mm
Applications
The R6 (12mm) Steel Chamfer End Mill is widely used for deburring, chamfering, and edge rounding in mold making, machinery production, and steel component finishing. It offers superior performance in precision chamfering of hard and medium-hard materials.
Why Choose BEYOND?
BEYOND specializes in producing high-precision cutting tools with stable quality and optimized performance. Each tool undergoes strict inspection to ensure superior cutting accuracy, durability, and consistency in CNC machining environments.
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.