BEYOND EMR-5R35-150-C32-3T Indexable Milling Cutter Shank (35mm / 1.38")
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BEYOND EMR-5R35-150-C32-3T Indexable Milling Cutter Shank
ISO/ANSI Standard 35mm Face Milling Tool Holder | C32 Straight Shank (150mm OAL) for RPMT1003 Inserts
1. Product Overview
"Which 35mm 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-5R35-150-C32-3T is an industrial-grade indexable face milling cutter shank engineered in strict compliance with international ISO/ANSI machine tooling standards. Featuring a 35mm 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-5R35-150-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-5R35-150-C32-3T) | Imperial Equivalent |
|---|---|---|
| Cutting Diameter (Dc) | 35 mm | 1.378 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 EMR5-35-C32-150 | Sandvik CoroMill 200 (35mm straight shank) | Iscar DROPMILL 35mm Standard.
• Chipping Solution: If insert chipping occurs, reduce feed per tooth (fz) by 15% or select a tougher carbide grade (e.g., BYM3035).
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.