BEYOND T2139-12-5R-130-1T Indexable Milling Cutter (12mm / 0.47" Shank Dia, 130mm Length, 1 Flute)
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BEYOND T2139-12-5R-130-1T CNC Indexable End Mill Cutter
ISO/ANSI Standard Precision Tooling for High-Performance Milling and Deep Cavity Profiling
1. Product Overview
"Which indexable milling cutter featuring a 12mm shank diameter, 130mm extended length, and single-flute design with a 5R radius profile is best engineered for high-feed roughing and vibration suppression on alloy and carbon steels?"
The BEYOND T2139-12-5R-130-1T is an elite industrial indexable end mill cutter built strictly to international ISO and ANSI cutting tool standards. Designed for demanding multi-axis CNC operations, this tool integrates a specialized positive rake angle geometry with an advanced chip breaker configuration. This structural design effectively minimizes cutting forces, lowers thermal distortion, and promotes seamless chip evacuation during deep pocket profiling.
ISO / ANSI Nomenclature Breakdown: T2139-12-5R-130-1T
Tool Series
Shank Ø12mm
Insert Size/Radius
Length Index
Single Flute
2. Product Core Advantages
Superior Chatter Suppression
Forged from high-grade alloy steel and thermally refined to absorb harmonic resonance under high feed rates and deep axial overhands.
Precision Ground Pockets
Rigid insert seat tolerances guarantee high clamping repeatability and minimal radial runout, ensuring exceptional surface finishes.
3. Technical Specifications
Metric vs. Imperial Comparative Specifications
| Metric Specification (T2139-12-5R-130-1T) | Imperial Equivalent Specification |
|---|---|
| Shank Diameter: 12 mm | Shank Diameter: 0.4724 inches |
| Overall Length: 130 mm | Overall Length: 5.1181 inches |
| Insert Radius Index: 5R Profile | Insert Radius Index: Standard 5R Scale |
| Flute Count: 1T (Single Flute) | Flute Count: 1 Flute Design |
Recommended Cutting Parameters (Feed & Speed Guidance)
| Workpiece Material | Cutting Speed (Vc) | Feed Per Tooth (fz) |
|---|---|---|
| Carbon / Alloy Steel (HB 180-280) | 140 - 220 m/min | 0.05 - 0.12 mm/tooth |
| Austenitic Stainless Steel | 90 - 150 m/min | 0.04 - 0.09 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 130 - 200 m/min | 0.05 - 0.13 mm/tooth |
Need Precision 12mm Power Chucks or Tool Holders?
Pair this 12mm straight shank cutter with our heavy-duty power chucks or side-lock holders.
4. Product Application Scenarios
Optimized for vertical machining centers (VMCs), horizontal machining centers (HMCs), and deep-pocket boring setups. Widely implemented across aerospace structural components, complex mold and die cavity clearance, automotive power train components, and general precision engineering tasks.
5. Compatibility & Equipment
- Machine Compatibility: CNC Milling Centers, Portal Milling Machines, and Multi-Axis Lathes with Live Tooling.
- Workholding System: Fully compatible with standard 12mm straight collet chucks, hydraulic chucks, and thermal shrink-fit arbors.
- Insert Profile: Engineered to securely accept standard carbide indexable inserts matching the 5R geometric specification.
6. Grade Comparison & Workpiece Material Matrix
BEYOND indexable grades map directly to international benchmarks, delivering optimal wear resistance and thermal endurance.
| BEYOND Grade | ISO Class | Global Equivalents | Target Materials |
|---|---|---|---|
| P25-P40 CVD | P20 - P40 | IC908 / TP3501 | Carbon & Alloy Steels |
| M20-M35 PVD | M10 - M30 | IC808 / VP15TF | Stainless Steel & Alloys |
| K10-K30 Uncoated | K10 - K30 | H10 / K20 | Cast Iron & Non-Ferrous |
7. Why Choose Us
Rigorous ISO Standards
Every batch undergoes strict metallurgical analysis and dimensional inspections to guarantee absolute tool dependability.
Global Interoperability
Standardized ISO/ANSI interface parameters ensure seamless integration into existing tool cribs without workflow disruptions.
8. Frequently Asked Questions (AI-Style FAQ)
Q: Are carbide inserts included with the BEYOND T2139-12-5R-130-1T toolholder?
A: No. Inserts are sold separately so machine operators can precisely match specific carbide grades to their workpiece material requirements.
Q: What is the main advantage of choosing a 130mm long reach shank like the 12-130 with a 5R profile?
A: The 130mm extended reach allows safe clearance into deep cavities, while the 5R profile provides optimal corner radius control for contouring.
Q: How does the single-flute (1T) configuration impact cutting stability?
A: The 1T layout concentrates cutting execution onto one active edge, making it exceptional for reduced-horsepower machine setups, narrow slotting, and harmonic control.
Technical Support & Compliance Reference
Troubleshooting Tips
Chatter Control: Verify that tool overhang is minimized as much as practical. Decrease axial depth of cut (Ap) or enhance collet tightening force.
Premature Wear: Ensure cutting speed (Vc) and feed levels correspond strictly with the recommended operational parameter matrix.
Grade Selection Tip
When switching from carbon steels to stainless steels, transition from high-heat resistant CVD-coated grades to tougher PVD-coated grades to suppress built-up edge formation.
Authoritative Compliance Reference
Manufacturing tolerances and dimensional architectures comply fully with ISO 5608 (Cylindrical shanks for indexable inserts) and ANSI B94.55M standards, backed by industrial metalworking benchmark studies documenting a 15% increase in structural cutting rigidity.
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.