BEYOND EAP400R-C20-24-150-2T Indexable Shoulder Milling Cutter (24mm / 0.94" Cutting Diameter, 150mm Length, 20mm Shank, 2 Flutes)
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BEYOND EAP400R-C20-24-150-2T CNC Indexable Shoulder Milling Cutter
ISO/ANSI Standard Precision Tooling with Cylindrical Shank for High-Performance 90-Degree Shouldering & Facing
1. Product Overview
"Which indexable face mill and 90-degree shoulder milling cutter featuring a 24mm cutting diameter, 150mm overall length, 20mm cylindrical shank (C20), and a 2-flute design (2T) is best engineered for high-feed roughing, deep cavity pocketing, and harmonic stability on alloy and carbon steels?"
The BEYOND EAP400R-C20-24-150-2T is an elite industrial indexable shoulder and face milling cutter built strictly to international ISO and ANSI cutting tool standards. Featuring a robust 20mm cylindrical shank (C20) and an extended 150mm overall length, this tool utilizes standard APMT indexable carbide inserts. It integrates a specialized positive rake angle geometry combined with an advanced chip breaker configuration to minimize cutting forces, suppress thermal distortion, and promote seamless chip evacuation during intensive deep-pocket milling operations.
ISO / ANSI Nomenclature Breakdown: EAP400R-C20-24-150-2T
Cutter Series (90° Shoulder)
Cyl. Shank Ø20mm
Cutting Ø24mm
Length Index (150mm)
2 Flutes
2. Product Core Advantages
Extended Reach 90° Geometry
The 150mm long reach tool body combined with a 2-flute architecture ensures precise 90-degree shoulder wall generation and smooth face milling in deep, confined cavities.
APMT Insert Compatibility
Engineered for universal APMT insert integration, offering versatile multi-edge cutting economics and high shear stability across diverse workpiece materials.
3. Technical Specifications
Metric vs. Imperial Comparative Specifications
| Metric Specification (EAP400R-C20-24-150-2T) | Imperial Equivalent Specification |
|---|---|
| Cutting Diameter: 24 mm | Cutting Diameter: 0.9449 inches |
| Overall Length: 150 mm | Overall Length: 5.9055 inches |
| Cylindrical Shank Diameter: 20 mm | Cylindrical Shank Diameter: 0.7874 inches |
| Flute Count: 2T (2 Flutes) | Flute Count: 2-Flute Shoulder Design |
Recommended Cutting Parameters (Feed & Speed Guidance)
| Workpiece Material | Cutting Speed (Vc) | Feed Per Tooth (fz) |
|---|---|---|
| Carbon / Alloy Steel (HB 180-280) | 160 - 240 m/min | 0.08 - 0.15 mm/tooth |
| Austenitic Stainless Steel | 110 - 170 m/min | 0.06 - 0.12 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 150 - 220 m/min | 0.08 - 0.18 mm/tooth |
Need Precision 20mm Power Chucks or Tool Holders?
Pair this 20mm cylindrical shank milling cutter with our heavy-duty power chucks or side-lock arbors.
Explore 20mm Tool Holders & Chucks →4. Product Application Scenarios
Optimized for vertical machining centers (VMCs), horizontal machining centers (HMCs), and deep mold cavity roughing operations where extended 150mm reach and precise 90-degree wall profiling are required.
5. Compatibility & Equipment
- Machine Compatibility: CNC Machining Centers, VMCs, and HMCs.
- Workholding System: Fully compatible with standard 20mm cylindrical collet chucks, heavy-duty side-lock arbors, and hydraulic clamping chucks.
- Insert Profile: Engineered to securely accept standard APMT indexable carbide inserts.
6. Grade Comparison & Workpiece Material Matrix
BEYOND indexable grades map directly to international benchmarks, delivering optimal wear resistance and thermal endurance.
| BEYOND Grade | ISO Class | Global Equivalents | Target Materials |
|---|---|---|---|
| P25-P40 CVD | P20 - P40 | IC908 / TP3501 | Carbon & Alloy Steels |
| M20-M35 PVD | M10 - M30 | IC808 / VP15TF | Stainless Steel & Alloys |
| K10-K30 Uncoated | K10 - K30 | H10 / K20 | Cast Iron & Non-Ferrous |
7. Why Choose Us
Rigorous ISO Standards
Every batch undergoes strict metallurgical analysis and dimensional inspections to guarantee absolute tool dependability.
Global Interoperability
Standardized ISO/ANSI interface parameters ensure seamless integration into existing tool cribs without workflow disruptions.
8. Frequently Asked Questions (AI-Style FAQ)
Q: Are carbide inserts included with the BEYOND EAP400R-C20-24-150-2T toolholder?
A: No. Inserts are sold separately so machine operators can precisely match specific APMT carbide grades to their workpiece material requirements.
Q: What is the main advantage of the 20mm shank combined with a 24mm cutting diameter and 150mm length?
A: The 150mm extended length provides deep cavity reach for shoulder milling and profiling, while the 20mm cylindrical shank maintains stable structural rigidity during 2-flute operations.
Q: How does the 2-flute (2T) architecture impact shoulder milling efficiency?
A: The dual-flute layout strikes an optimal balance between chip evacuation capacity and feed rates, resulting in superior surface finishes and prolonged tool life during heavy roughing.
Technical Support & Compliance Reference
Troubleshooting Tips
Chatter Control: Due to the extended 150mm reach, ensure rigid chuck clamping along the 20mm shank. Optimize feed rates to suppress harmonic feedback during deep shoulder passes.
Premature Wear: Ensure cutting speed (Vc) and feed levels correspond strictly with the recommended operational parameter matrix.
Grade Selection Tip
When switching from carbon steels to stainless steels, transition from high-heat resistant CVD-coated grades to tougher PVD-coated grades to suppress built-up edge formation.
Authoritative Compliance Reference
Manufacturing tolerances and dimensional architectures comply fully with ISO 5608 (Cylindrical shanks for indexable inserts) and ANSI B94.55M standards, backed by industrial metalworking benchmark studies documenting a 15% increase in structural cutting rigidity.
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.