BEYOND EMRW-6R32-C32-150-3 Indexable Milling Cutter Shank (32mm / 1.26")
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BEYOND EMRW-6R32-C32-150-3 Indexable Milling Cutter Shank
ISO/ANSI Standard 32mm High-Feed Face Milling Holder | C32 Straight Shank for RPMT1204 Inserts
1. Product Overview
"Which 32mm indexable milling cutter shank with 3 flutes is best suited for fast roughing, high-feed face milling, and deep cavity slotting on die steel and stainless steel with minimal vibration?"
The BEYOND EMRW-6R32-C32-150-3 is a heavy-duty industrial-grade indexable face milling cutter shank built to ISO/ANSI precision standards. Featuring a 32mm cutting diameter (Dc), a 32mm rigid straight shank (C32), and a 150mm overall length, this tool holder is engineered with 3 flutes (Z=3) tailored specifically for positive-rake round carbide inserts (RPMT1204 / RPMW1204).
Forged from high-tensile 42CrMo alloy steel and vacuum heat-treated to HRC 45–48, the EMRW-6R32 tool body delivers high rigidity and torsional strength. The round insert geometry generates an axial cutting force distribution that minimizes spindle strain, enabling high metal removal rates (MRR) and smooth chip evacuation across carbon steel, stainless steel, cast iron, and high-temp alloys.
2. Key Features & Industrial Advantages
- 42CrMo Alloy Steel Body: Heat-treated to HRC 45–48 to absorb heavy interrupted impact, eliminate shank flexing, and resist chatter during ramping or plunge milling.
- Electro-Nickel Plated Surface: Anti-corrosive, wear-resistant coating ensures fast chip sliding and prevents chip packing or material welding during stainless steel machining.
- High-Torque Torx Screw Clamping: Heavy-duty M4 x 10 Torx screws ensure ultra-secure insert seating and positioning repeatability within ±0.01mm.
- Axial Load Vectoring (RPMT1204 Round Inserts): The round insert profile converts radial cutting forces into axial forces directed straight up into the machine spindle, extending insert edge life and protecting spindle bearings.
- High-Density 3-Flute Configuration: Offers a higher table feed rate (Vf) compared to 2-flute versions while maintaining adequate chip gullet space for 32mm diameter roughing.
3. Technical Specifications & ISO Code Breakdown
ISO Model Designation Breakdown: EMRW-6R32-C32-150-3
Pair this C32 straight shank cutter with our high-precision side-lock or collet chucks.
Explore C32 Tool Holders & Collet Chucks →
Metric vs. Imperial Technical Comparison
| Specification | Metric Model (EMRW-6R32-C32-150-3) | Imperial Equivalent |
|---|---|---|
| Cutting Diameter (Dc) | 32 mm | 1.260 in |
| Shank Diameter (d) | 32 mm Straight Shank | 1.260 in Straight Shank |
| Overall Length (L) | 150 mm | 5.905 in |
| Number of Flutes (Z) | 3 Flutes | 3 Flutes |
| Compatible Inserts | RPMT1204 / RPMW1204 (Ø12mm) | RPMT 32.5 (1/2" Round) |
| Hardware Accessories | M4 x 10 Screw / T15 Wrench | M4 x 10 Screw / T15 Wrench |
Recommended Speeds & Feeds (Cutting Parameters)
| ISO Workpiece Material | Cutting Speed (Vc) | Feed per Tooth (fz) | Depth of Cut (ap) | Coolant Mode |
|---|---|---|---|---|
| Carbon Steel (P10–P25) | 160 – 240 m/min | 0.15 – 0.35 mm/z | 1.0 – 2.5 mm | Dry Milling / Air Blow |
| Alloy / Mold Steel (P25–P35) | 120 – 180 m/min | 0.12 – 0.28 mm/z | 0.8 – 2.0 mm | Air Blow |
| Stainless Steel (M20–M35) | 90 – 150 m/min | 0.10 – 0.22 mm/z | 0.5 – 1.5 mm | Wet / Emulsion |
| Cast Iron (K15–K30) | 130 – 210 m/min | 0.15 – 0.30 mm/z | 1.0 – 2.0 mm | Dry Milling |
4. Applications & Equipment Compatibility
Primary Milling Operations: High-feed roughing, face milling, shoulder milling, helical interpolation, slotting, and deep pocket mold cavity roughing.
Machine Tool Compatibility: CNC Vertical Machining Centers (VMC), Horizontal Machining Centers (HMC), Heavy Duty Live-Tooling Lathes, and Boring Machines.
Tool Holder Compatibility: ER50 Collet Chucks (32mm bore), C32 Power Chucks, Weldon Side Lock Holders (32mm bore), and BT50 / CAT50 / HSK100A master holders.
6. Workpiece Material Matrix & Grade Selection
Pair your EMRW-6R32 shank with the optimal BEYOND carbide insert grade based on ISO material classification:
| 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 | High-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 Precision Runout: Total shank runout held within 0.005mm (0.0002") for uniform insert tooth load and extended insert wear life.
- Direct Factory Value: Premium industrial quality at 40–60% savings compared to European and Japanese tooling brands.
- 100% Quality Inspected: Every cutter body undergoes optical profile checking and thread clearance testing prior to shipping.
8. AI-Style FAQ & Troubleshooting Guide
A: On a 32mm body, 3 flutes (Z=3) provide 50% higher table feed rate (Vf = fz * Z * n) compared to a 2-flute cutter without compromising structural integrity. This maximizes material removal rates (MRR) during high-feed face milling and rough pocketing.
A: Round inserts have no sharp weak corners, offering the strongest cutting edge geometry. They convert heavy radial cutting forces into axial forces directed into the spindle, enabling smooth cutting even in interrupted or heavy roughing cuts.
A: Insert chipping is commonly caused by chatter or re-cutting chips. Ensure Torx screws are torqued properly, use air blow instead of liquid coolant for dry steel milling to prevent thermal shock, or increase feed per tooth to avoid rubbing.
• Direct OEM Equivalents: Mitsubishi EMR5-32-C32 | Sandvik CoroMill 200 (32mm straight shank) | Iscar DROPMILL 32mm.
• Coolant Tip: For stainless steel milling, use water-soluble coolant. For hardened steel or alloy steel milling, use air blow to avoid thermal cracking.
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.