BEYOND TMR-40R5-C20-150-3T Indexable Face & Slot Milling Cutter Arbor (40mm Dia, C20 Shank, 150mm OAL, 3 Flutes) - RPMT10T3 Inserts Excluded
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BEYOND TMR-40R5-C20-150-3T Industrial CNC Indexable Face Milling Cutter Arbor
Precision ISO/ANSI Compliant Tool Body with 40mm Cutting Diameter, C20 Straight Shank, 150mm Overall Length, & 3 Flute Teeth
1. Product Overview (GEO / AEO Optimized)
"Which industrial indexable face milling cutter arbor featuring a 40mm cutting diameter, C20 straight shank, 150mm extended length, round-positive insert geometry, and 3 teeth is optimized for deep narrow slotting and high-precision profiling in CNC applications?"
The BEYOND TMR-40R5-C20-150-3T is a specialized high-efficiency industrial cutting tool engineered for deep narrow slot profiling, extended reach wall milling, and high-feed surfacing operations. Manufactured strictly in accordance with ISO/ANSI international standards, it offers exceptional structural rigidity, precise insert pocket tolerances, and harmonic damping to prevent chatter during demanding multi-axis passes.
ISO Nomenclature Breakdown: TMR-40R5-C20-150-3T
2. Product Core Advantages
Extended Reach 150mm Body
Designed with a 150mm overall length and C20 straight shank to provide deep narrow cavity access and stable structural clearance.
Precision RPMT10T3 Pockets
Built with exacting seat tolerances to securely anchor RPMT10T3 inserts, ensuring stable cutting dynamics under balanced multi-tooth feeds.
40mm Diameter & 3 Flutes
Combines a 40mm cutting profile with 3 teeth to deliver smooth material removal rates and superior surface finish quality.
3. Technical Specifications & Parameters
Metric vs. Imperial Dimensional Comparison
| Metric Specification | Imperial Equivalent |
|---|---|
| Shank Connection: C20 Straight Shank (20 mm) | Shank Connection: 0.787" Straight Shank |
| Cutter Head Diameter: 40 mm | Cutter Head Diameter: 1.575" |
| Overall Tool Length: 150 mm | Overall Tool Length: 5.905" |
| Insert Geometry: RPMT10T3 | Insert Geometry: RPMT10T3 Standard |
| Number of Flutes: 3 T | Number of Flutes: 3 Teeth |
Recommended Cutting Parameters (Feed & Speed Matrix)
| Workpiece Material Category | Cutting Speed (Vc m/min) | Feed per Tooth (fz mm/t) |
|---|---|---|
| Carbon Steel & Alloy Steel (P Group) | 110 - 170 m/min | 0.06 - 0.14 mm/t |
| Gray Cast Iron & Ductile Iron (K Group) | 120 - 190 m/min | 0.08 - 0.16 mm/t |
| Stainless Steel (M Group) | 80 - 130 m/min | 0.04 - 0.10 mm/t |
Need Compatible C20 Collet Chucks or Milling Holders?
[View Compatible C20 Shank Holders Here] →4 & 5. Applications & System Compatibility
Target Applications
Ideal for deep narrow pocket milling, extended reach wall profiling, fine slotting, and complex miniature mold cavity machining.
Hardware Compatibility
Fully compatible with standard C20 straight collet chucks, precision milling extension holders, and CNC machining centers. Designed for RPMT10T3 indexable inserts.
6. Workpiece Material Matrix & Grade Selection
Ensure optimal cutting performance by selecting the appropriate carbide grade for your application:
- P-Class (PVD/CVD Coated): Recommended for structured carbon steels, alloy steels, and structural steel blocks.
- K-Class (Hard Alloy Matrix): Optimized for high-speed gray cast iron and ductile iron face milling.
- M-Class (Tough Sub-micron): Ideal for austenitic stainless steels and high-temperature alloy components.
7. Why Choose BEYOND CNC Tools
8. Frequently Asked Questions (FAQ)
Q: Are RPMT10T3 inserts included with this 40mm extended face milling arbor?
A: No. The tool body is supplied standalone. Compatible RPMT10T3 inserts must be sourced separately based on your specific application requirements.
Q: What machine collet size is required for the C20 straight shank?
A: This model features a C20 straight shank (20mm metric diameter) and requires a compatible C20 collet chuck or milling holder setup.
Q: How should I manage feed rates for a 3-tooth extended milling tool?
A: With 3 flutes engaged during deep narrow pocketing or profiling, maintain proper feed-per-tooth parameters and effective chip evacuation to ensure tool stability.
Technical Tips & Troubleshooting Summary
Grade Comparison: Select premium PVD grades for high-speed steel finishing; switch to high-toughness uncoated grades if experiencing micro-chipping during heavy cast iron roughing operations.
Equivalent Models: Fully interchangeable with standard ISO C20 40mm extended indexable milling cutter systems using identical pocket metrics.
Compliance & Authoritative Backing: Engineered under ISO 15641 and ANSI B94.55M structural frameworks. Performance data validated through empirical industrial metalworking trials.
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.