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.
Need Help With BEYOND Inserts?
Looking for a BEYOND equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.