BEYOND EMR4R-16-200-C15-2T Indexable Milling Cutter Shank (16mm / 0.59" Shank)
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BEYOND EMR4R-16-200-C15-2T Indexable Milling Cutter Shank
ISO/ANSI Standard 16mm Face Milling Tool Holder | Ultra Long-Reach C15 Straight Shank (200mm OAL) for RPMW0802/RPMT0802 Inserts
1. Product Overview
"Which 16mm indexable milling cutter shank with a 200mm overall length and C15 straight shank provides ultra-deep cavity reach for RPMW0802/RPMT0802 inserts?"
The BEYOND EMR4R-16-200-C15-2T is an industrial-grade, ultra-long-reach indexable face milling cutter shank engineered in strict compliance with international ISO/ANSI machine tooling standards. Featuring a 16mm cutting diameter (Dc), a 15mm straight shank (C15), a 200mm overall length (OAL), and 2 flutes (Z=2), this tool body is optimized for positive-rake 08-series round carbide inserts (RPMW0802 / RPMT0802).
Forged from premium 42CrMo alloy structural steel and vacuum heat-treated to HRC 45–48, the 2-flute structure incorporates precision-engineered chip flutes to promote efficient chip evacuation in deep mold pockets and restricted routing paths. The circular geometry spreads cutting forces uniformly, damping harmonic vibration and preventing tool deflection across carbon steel, alloy steel, and stainless steel applications.
2. Key Features & Industrial Advantages
- Extended 200mm Overhang Reach: Purpose-built for deep mold cavity roughing, narrow pocket milling, and long-reach profiling in restricted access zones.
- Optimized 2-Flute Chip Flow: Wide chip pockets facilitate smooth evacuation and reduce thermal build-up during extended-reach machining passes.
- 42CrMo Alloy Structural Steel Body: Vacuum heat-treated to HRC 45–48 to maximize torsional stiffness and fatigue resistance.
- Electro-Nickel Anti-Wear Surface Finish: Corrosion-resistant coating minimizes friction and prevents chip welding.
- High-Torque Screw Clamping: Precision Torx hardware secures inserts firmly with radial runout accuracy within ±0.01mm.
3. Technical Specifications & ISO Code Breakdown
ISO Model Designation Breakdown: EMR4R-16-200-C15-2T
Pair this C15 ultra-long-reach cutter body with our matching C15 power collet chucks or holders.
Explore C15 Tool Holders & Chucks →
Metric vs. Imperial Technical Comparison
| Specification | Metric Model (EMR4R-16-200-C15-2T) | Imperial Equivalent |
|---|---|---|
| Cutting Head Diameter (Dc) | 16 mm | 0.630 in (5/8" Round) |
| Shank Diameter (d) | 15 mm Straight Shank | 0.591 in Straight Shank |
| Overall Length (L) | 200 mm | 7.874 in |
| Number of Flutes (Z) | 2 Flutes | 2 Flutes |
| Compatible Inserts | RPMW0802 / RPMT0802 (Ø8mm) | RPMW 0802 Round Series |
| Hardware Accessories | Torx Screw / Key | Torx Screw / Key |
Recommended Speeds & Feeds (Optimized for 200mm Long Overhang)
| ISO Workpiece Material | Cutting Speed (Vc) | Feed per Tooth (fz) | Depth of Cut (ap) | Coolant Mode |
|---|---|---|---|---|
| Carbon Steel (P10–P25) | 100 – 150 m/min | 0.05 – 0.10 mm/z | 0.2 – 0.8 mm | Air Blow / Dry |
| Alloy / Mold Steel (P25–P35) | 70 – 120 m/min | 0.04 – 0.08 mm/z | 0.2 – 0.6 mm | Air Blow |
| Stainless Steel (M20–M35) | 50 – 90 m/min | 0.03 – 0.07 mm/z | 0.15 – 0.5 mm | Emulsion / High-Pressure Coolant |
| Cast Iron (K15–K30) | 90 – 130 m/min | 0.05 – 0.10 mm/z | 0.2 – 0.8 mm | Dry Milling |
4. Applications & Equipment Compatibility
Primary Milling Operations: Ultra-deep mold pocket roughing, narrow slotting, deep-cavity contouring, and extended-reach profiling using RPMW0802 / RPMT0802 inserts.
Machine Tool Compatibility: Vertical Machining Centers (VMC), Horizontal Machining Centers (HMC), and CNC Milling Centers.
Tool Holder Compatibility: C15 Power Collet Chucks, C15 Side Lock Holders, and master tool holders via precision reduction sleeves.
6. Workpiece Material Matrix & Grade Selection
Pair your EMR4R-16 shank with optimal BEYOND carbide insert grades for superior wear resistance:
| Insert Grade | ISO Category | Coating Technology | Best Suited For |
|---|---|---|---|
| BYM1025 | P15 - P30 / M15 - M25 | Micrograin Carbide + PVD AlTiN | General purpose milling on alloy steel, carbon steel, and stainless steel. |
| BYM3035 | M25 - M40 / S15 - S25 | Nano-layered PVD TiAlN | Heavy load roughing on austenitic stainless steel, Duplex, and Inconel. |
| BYK2010 | K10 - K25 | CVD Thick Coating / Uncoated | Abrasive resistance for gray cast iron, ductile iron, and non-ferrous metals. |
7. Why Choose BEYOND Tooling
- Sub-Micron Runout Precision: Shank TIR maintained within 0.005mm (0.0002") for smooth balanced rotation and reduced harmonic chatter.
- Optimized 200mm Length Rigidity: Engineered specifically to maximize deep cavity reach while retaining structural stability under high feed rates.
- Direct Factory Advantage: Premium industrial performance at 40–60% cost savings compared to Tier-1 European brands.
8. AI-Style FAQ & Troubleshooting Guide
A: The 16mm diameter allows tight clearance inside narrow slots, the C15 straight shank fits specific collets or reduction sleeves, and the 200mm length reaches deep into complex cavity walls using 08-series round inserts.
A: Round geometry eliminates fragile corners, distributing cutting forces uniformly to minimize harmonic chatter during extended-reach machining.
A: Reduce axial depth of cut (ap) by 20-30%, decrease feed per tooth slightly, ensure secure collet chuck gripping, and prioritize climb milling.
• Direct OEM Equivalents: Mitsubishi EMR4R-16-C15-200 | Sandvik CoroMill 200 (16mm head / 200mm length for 08 inserts) | Iscar DROPMILL 16mm Long Shank.
• Chatter Mitigation Tip: If harmonic chatter occurs, adjust spindle RPM by 10% up or down and verify collet chuck clamping torque to eliminate micro-slippage.
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.