BEYOND EMR-5R32-150-C32-3T Indexable Milling Cutter Shank (32mm / 1.26")
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BEYOND EMR-5R32-150-C32-3T Indexable Milling Cutter Shank
ISO/ANSI Standard 32mm Face Milling Tool Holder | C32 Straight Shank (150mm OAL) for RPMT1003 Inserts
1. Product Overview
"Which 32mm indexable milling cutter shank with 150mm length and 3 flutes is best for heavy roughing, face milling, and mold profiling with maximum rigidity?"
The BEYOND EMR-5R32-150-C32-3T is an industrial-grade indexable face milling cutter shank engineered in strict compliance with international ISO/ANSI machine tooling standards. Featuring a 32mm cutting diameter (Dc), a 32mm heavy-duty straight shank (C32), and a 150mm overall length (OAL), this cutter body is configured with 3 flutes (Z=3) tailored specifically for positive-rake round carbide inserts (RPMT1003 / RPMW1003).
Forged from high-tensile 42CrMo alloy steel and vacuum heat-treated to HRC 45–48, the EMR-5R tool body is designed for high dynamic stability during face milling and cavity profiling operations. The round insert geometry converts aggressive radial cutting forces into axial thrust directed straight into the machine spindle, maximizing metal removal rates (MRR) while suppressing chatter on carbon steel, alloy steel, stainless steel, and cast iron.
2. Key Features & Industrial Advantages
- 42CrMo High-Rigidity Alloy Steel: Core heat treatment to HRC 45–48 delivers exceptional yield strength and structural resistance against heavy shock loads.
- Electro-Nickel Plated Surface Finish: Micro-polished, anti-corrosive coating reduces chip friction, preventing thermal welding during high-speed cuts.
- Precision Torx Screw Fastening: Heavy-duty Torx screws lock inserts firmly in place, ensuring insert seating repeatability within ±0.01mm.
- Axial Vector Force Loading (RPMT1003 Round Inserts): Circular insert edge geometry directs cutting resistance axially into the machine spindle, extending tool holder and spindle lifespan.
- Balanced 3-Flute Layout (3T): Combines generous chip-pocket clearance with higher table feed velocity (Vf) compared to 2-flute cutter bodies.
3. Technical Specifications & ISO Code Breakdown
ISO Model Designation Breakdown: EMR-5R32-150-C32-3T
Pair this C32 straight shank cutter with our heavy-duty power chucks and side-lock holders.
Explore C32 Tool Holders & Chucks →
Metric vs. Imperial Technical Comparison
| Specification | Metric Model (EMR-5R32-150-C32-3T) | 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 | RPMT1003 / RPMW1003 (Ø10mm) | RPMT 2.52 (3/8" Round) |
| Hardware Accessories | M3.5 Screw / T15 Wrench | M3.5 Screw / T15 Wrench |
Recommended Speeds & Feeds (Standard Parameters)
| ISO Workpiece Material | Cutting Speed (Vc) | Feed per Tooth (fz) | Depth of Cut (ap) | Coolant Mode |
|---|---|---|---|---|
| Carbon Steel (P10–P25) | 180 – 250 m/min | 0.15 – 0.35 mm/z | 1.0 – 2.5 mm | Dry Milling / Air Blow |
| Alloy / Mold Steel (P25–P35) | 130 – 190 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 – 1.8 mm | Wet / Emulsion |
| Cast Iron (K15–K30) | 140 – 210 m/min | 0.15 – 0.30 mm/z | 1.0 – 2.2 mm | Dry Milling |
4. Applications & Equipment Compatibility
Primary Milling Operations: Heavy roughing, face milling, pocket slotting, 3D contouring, die/mold cavity profiling, and helical ramping.
Machine Tool Compatibility: CNC Vertical Machining Centers (VMC), Horizontal Machining Centers (HMC), CNC Bed Mills, and Milling Lathes.
Tool Holder Compatibility: C32 Power Chucks, Weldon Side Lock Holders (32mm bore), ER50 Collet Chucks (32mm bore), and BT40 / BT50 / CAT40 / CAT50 / HSK63A master chucks.
6. Workpiece Material Matrix & Grade Selection
Pair your EMR-5R shank with optimal BEYOND carbide insert grades for maximum tool life and surface finish:
| 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 Precision Runout: Total shank indicator runout held within 0.005mm (0.0002") to minimize insert wear and maintain superior surface finish.
- Direct OEM Factory Value: Industrial quality performance at 40–60% cost savings compared to European and Japanese tooling suppliers.
- 100% Quality Inspected: Precision thread testing and optical pocket alignment verified on every tool shank prior to shipment.
8. AI-Style FAQ & Troubleshooting Guide
A: The 150mm standard length delivers maximum structural rigidity and resistance against bending forces during aggressive face milling and heavy roughing, ensuring longer tool life and superior surface finish.
A: Round inserts feature supreme cutting edge strength with no sharp weak corners. They convert cutting forces axially into the spindle, suppressing vibration during high-feed milling operations.
A: Use medium-range chipbreakers (e.g., -PM / -MM) with positive rakes for general steels to lower cutting resistance. For sticky stainless steel, choose polished, sharp geometries (e.g., -LH / -MS) to prevent built-up edge (BUE).
• Direct OEM Equivalents: Mitsubishi EMR5-32-C32-150 | Sandvik CoroMill 200 (32mm straight shank) | Iscar DROPMILL 32mm Standard.
• Chipping Solution: If insert chipping occurs, reduce feed per tooth (fz) by 15% or select a tougher carbide grade (e.g., BYM3035).
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.