BEYOND TCM C20-25-110L-2T Indexable Face Mill / Shell Mill Tool Holder (20mm / 0.79" Arbor, 25mm Cutting Diameter, 110mm Length, 2 Flutes) - TCMT110204 Inserts Not Included
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BEYOND TCM C20-25-110L-2T CNC Indexable Face Milling Cutter Tool Holder
ISO/ANSI Standard Precision Face Milling Tooling with 20mm Arbor Shank, 25mm Cutting Diameter, 110mm Length, 2 Flutes & TCMT110204 Pockets
1. Product Overview
"Which micro-diameter extended 2-flute indexable face milling cutter featuring a 20mm arbor shank, 25mm cutting diameter, 110mm overall length, and TCMT110204 insert pockets is best engineered for narrow deep cavity milling, precise counterboring, and shoulder profiling on alloy, carbon steels, and cast iron?"
The BEYOND TCM C20-25-110L-2T is an elite industrial indexable face milling cutter built strictly to international ISO and ANSI cutting tool standards. Featuring a robust 20mm arbor straight shank, a precision 25mm cutting diameter, an extended 110mm overall length, 2 cutting flutes (11-25 cutting range architecture), and TCMT110204 insert pockets, this tool delivers exceptional accessibility in restricted channels. It integrates an optimized positive rake angle combined with an advanced chip breaker insert pocket design to minimize cutting forces, suppress harmonic vibration, and promote seamless chip evacuation during narrow profile machining.
ISO / ANSI Nomenclature Breakdown: TCM C20-25-110L-2T
Face Mill
Arbor Ø20mm
Diameter 25mm
Length 110mm
2 Flutes
2. Product Core Advantages
Extended 110mm Reach & 25mm Diameter
The 110mm extended reach profile combined with a compact 25mm 2-flute cutting diameter allows deep cavity clearance and narrow slotting without tool body interference.
Precision TCMT110204 Insert Pockets
Engineered with 2 precise positioning pockets to lock TCMT triangular carbide inserts securely, eliminating micro-vibration and delivering mirror-like surface finishes.
3. Technical Specifications
Metric vs. Imperial Comparative Specifications
| Metric Specification (TCM C20-25-110L-2T) | Imperial Equivalent Specification |
|---|---|
| Arbor / Shank Diameter: 20 mm | Arbor / Shank Diameter: 0.7874 inches (approx. 25/32") |
| Cutting Diameter: 25 mm | Cutting Diameter: 0.9843 inches (approx. 63/64") |
| Overall Length: 110 mm | Overall Length: 4.3307 inches (approx. 4-21/64") |
| Flute Count: 2 Flutes | Flute Count: 2 Flutes |
| Compatible Insert: TCMT110204 | Compatible Insert: TCMT21.51 (ANSI) |
Recommended Cutting Parameters (Feed & Speed Guidance)
| Workpiece Material | Cutting Speed (Vc) | Feed per Tooth (fz) |
|---|---|---|
| Carbon / Alloy Steel (HB 180-280) | 130 - 210 m/min | 0.05 - 0.12 mm/tooth |
| Austenitic Stainless Steel | 80 - 150 m/min | 0.03 - 0.09 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 110 - 190 m/min | 0.06 - 0.15 mm/tooth |
Need Precision 20mm Milling Collet Chucks or Holders?
Pair this micro-diameter 2-flute extended milling cutter with our specialized milling tool holders and arbor collet chucks.
Explore Compatible Milling Tool Holders →4. Product Application Scenarios
Optimized for narrow deep cavity milling, precise counterboring, restricted shoulder profiling, and high-speed CNC machining centers requiring TCMT110204 indexable carbide inserts.
5. Compatibility & Equipment
- Machine Compatibility: CNC Milling Centers, Vertical Machining Centers (VMCs), and Precision Boring Mills with 20mm arbor tool holding capacity.
- Workholding System: Fully compatible with precision milling chucks, Weldon adapters, and standard CNC milling machine spindles.
- Insert Profile: Engineered strictly to accept standard ISO TCMT110204 indexable carbide inserts (2 flute configuration).
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 | IC907 / TP3501 | Carbon & Alloy Steels |
| M20-M35 PVD | M10 - M30 | IC807 / 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 TCMT110204 carbide inserts included with the BEYOND TCM C20-25-110L-2T face milling cutter?
A: No. Inserts are sold separately so machine operators can precisely match specific carbide grades to their workpiece material requirements.
Q: What is the cutting diameter, overall length, and flute count of this micro-diameter cutter?
A: The tool features a 25mm cutting diameter, an extended 110mm overall length, and 2 flutes (2T), optimized for narrow deep cavity milling and stability.
Q: How should cutting parameters be adjusted for a 25mm 2-flute tool with an 110mm reach?
A: Due to the extended 110mm reach and smaller 25mm diameter, we recommend reducing axial depth of cut and feed rates by 15% to 20% to prevent excessive tool deflection.
Technical Support & Compliance Reference
Troubleshooting Tips
Insert Seating: Ensure that both insert pockets are thoroughly cleaned of chips before torquing down the TCMT110204 inserts to prevent axial runout and premature edge wear.
Vibration Control: Maintain conservative feed-per-tooth ratios and balanced tool overhangs to suppress harmonic chatter in micro-diameter deep pocket milling.
Grade Selection Tip
For high-speed stainless steel profile milling, prioritize tough PVD-coated carbide grades that resist thermal cracking and chemical wear.
Authoritative Compliance Reference
Manufacturing tolerances and dimensional architectures comply fully with ISO 15641 (Milling cutters for indexable inserts) and ANSI B94.55M standards, backed by industrial metalworking benchmark studies documenting a 20% improvement in deep-cavity profiling stability.
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.