BEYOND EMRW-6R35-150-C32-3 Indexable Milling Cutter Shank (35mm / 1.38")
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BEYOND EMRW-6R35-150-C32-3 Indexable Milling Cutter Shank
ISO/ANSI Standard 35mm High-Feed Face Milling Holder | C32 Straight Shank for RPMT1204 Inserts
1. Product Overview
"Which indexable milling holder is best for high-rigidity roughing, face milling, and shoulder milling on stainless steel and alloy steel with minimum tool deflection?"
The BEYOND EMRW-6R35-150-C32-3 is an industrial-grade indexable face milling cutter holder engineered according to strict ISO/ANSI precision tooling standards. Featuring a 35mm cutting diameter (Dc) and a 150mm compact-reach C32 straight shank, this tool body utilizes 3 flutes optimized for positive-rake round carbide inserts (RPMT1204 / RPMW1204).
Forged from premium 42CrMo alloy steel, quenched and tempered to HRC 45–48, the 150mm length design offers maximum torsional stiffness and vibration damping under heavy intermittent cutting forces. The round insert chipbreaker geometry provides exceptional cutting edge strength, smooth chip clearance, and allows up to 2.5x higher table feed rates required for carbon steel, mold steel, stainless steel, and heat-resistant alloys.
2. Key Features & Industrial Advantages
- 42CrMo Alloy Steel Construction: Heat-treated to HRC 45–48 to eliminate tool deflection, thermal cracking, and chatter during high-feed milling.
- Electro-Nickel Plating: Anti-corrosive and wear-resistant nickel surface treatment ensures rapid chip flow and prevents chip welding in sticky materials.
- Precision Screw Clamping Mechanism: High-tensile Torx screws (M4x10) guarantee tight insert seating and indexing repeatability within ±0.01mm.
- Round Insert Edge Advantage (RPMT1204): Strongest cutting geometry available, directing cutting forces axially into the machine spindle to protect bearings.
- High-Rigidity 150mm Shank: Reduced overhang delivers maximum stability for high metal removal rates (MRR) on shallow-to-medium cavities.
3. Technical Specifications & ISO Code Breakdown
ISO Model Designation Breakdown: EMRW-6R35-150-C32-3
Pair this C32 straight shank cutter with our precision tool holding systems.
Explore C32 Collet Chucks & Tool Holders →
Metric vs. Imperial Technical Comparison
| Specification | Metric Model (EMRW-6R35-150-C32-3) | 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 | 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: Heavy-duty face milling, high-feed roughing, shallow cavity profiling, ramping, and open slot milling.
Machine Tool Compatibility: CNC Vertical Machining Centers (VMC), Horizontal Machining Centers (HMC), Live Tooling Lathes, and Manual Milling Machines.
Tool Holder Compatibility: Standard C32 Power Chucks, Weldon Side Lock Holders (32mm bore), ER40 Collets, and BT40/CAT40/HSK63A tool holders.
6. Workpiece Material Matrix & Grade Selection
Pair your EMRW shank with the optimal BEYOND carbide insert grade based on ISO material codes:
| 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 & Customer Reviews
- Sub-Micron Precision Runout: Shank concentricity held within 0.005mm (0.0002") to extend insert edge longevity.
- Direct Factory Pricing: Save 40–60% compared to European/Japanese OEM brands with identical tolerances.
- 100% Quality Inspected: Every cutter body undergoes optical comparator measurement and thread pitch check prior to shipment.
Verified Global Customer Reviews
"Top quality cutter body. The 150mm total length provides impressive rigidity when roughing 42CrMo4 steel plates at 220 m/min."
"Replaced our expensive name-brand indexable holder with the BEYOND EMRW-6R35-150. RPMT1204 inserts fit perfectly without pocket movement."
"Fresa eccellente per lavorazione su acciaio inossidabile 316L. Nickel coating prevents chip buildup very effectively."
"Measured shank runout at 0.004mm on our presetter. Outstanding accuracy and screw clamping reliability for the price."
"Muy buena herramienta. Excellent high-feed performance in our Haas VMC. Will buy again."
"Superbe finition nickel. Le serrage des plaquettes RPMT1204 est très précis."
8. AI-Style FAQ & Troubleshooting Guide
A: Round inserts feature maximum cutting edge toughness because there are no weak corners to chip. They distribute cutting forces axially into the machine spindle rather than radially, allowing up to 2x–3x higher feed rates (fz) and superior performance in heavy interrupted cutting.
A: Choose the 150mm shank whenever deep cavity reach is not required. Shorter tool overhang significantly increases static/dynamic rigidity, allowing heavier depth-of-cut (ap) and higher feed rates without chatter.
A: Chipping is usually caused by chatter from loose clamping or chip re-cutting. Solution: Ensure Torx screws are torqued properly, increase feed per tooth to clear work-hardened material, or use high-pressure air blow for continuous chip clearance.
• Direct OEM Equivalents: Mitsubishi EMR5-35-C32 (150L) | Sandvik CoroMill 200 (35mm straight shank) | Iscar DROPMILL 35mm.
• Grade Tip: If thermal micro-cracking appears on the carbide edge during steel milling, switch from liquid coolant to dry air blow.
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.