BEYOND BAP300R-20-300-C19-2T Indexable Right-Angle Face Milling Cutter (20mm Cutting Diameter / 0.79" Cutting Diameter, 300mm Overall Length, C19 Cylindrical Shank, 2 Flutes)
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BEYOND BAP300R-20-300-C19-2T CNC Indexable Right-Angle Shoulder Milling Cutter
ISO/ANSI Standard Precision Tooling with C19 Cylindrical Shank, 20mm Cutting Diameter, 300mm Overall Length & 2 Flutes for Deep 90-Degree Profiling
1. Product Overview
"Which indexable face mill and 90-degree right-angle shoulder milling cutter featuring a 20mm cutting diameter, C19 cylindrical shank, 300mm overall length, and a 2-flute design (2T) paired with APMT1135 inserts is best engineered for deep-cavity roughing and precision wall profiling on alloy and carbon steels?"
The BEYOND BAP300R-20-300-C19-2T is an elite industrial indexable shoulder and face milling cutter built strictly to international ISO and ANSI cutting tool standards. Featuring a robust C19 cylindrical shank paired with an extended 300mm overall length and a 20mm cutting diameter across 2 effective flutes (2T), this tool utilizes standard APMT1135 indexable carbide inserts. It integrates a positive rake angle geometry combined with an advanced chip breaker configuration to minimize cutting forces, suppress harmonic chatter during deep milling operations, and promote seamless chip evacuation.
ISO / ANSI Nomenclature Breakdown: BAP300R-20-300-C19-2T
Cutter Series (90° Shoulder)
Cutting Ø20mm
Length Index (300mm)
Cyl. Shank Ø19mm
2 Flutes
2. Product Core Advantages
Rigid C19 Shank & 300mm Reach
The heavy-duty 19mm cylindrical shank combined with an extended 300mm overall reach provides maximum stability and deep clearance for intricate mold cavities and deep-pocket machining.
Optimized 2-Flute APMT1135 Configuration
Equipped with 2 flutes (2T) optimized for larger chip pocket clearance during slotting operations, perfectly matched with universal APMT1135 indexable carbide inserts.
3. Technical Specifications
Metric vs. Imperial Comparative Specifications
| Metric Specification (BAP300R-20-300-C19-2T) | Imperial Equivalent Specification |
|---|---|
| Cutting Diameter: 20 mm | Cutting Diameter: 0.7874 inches (approx. 25/32") |
| Overall Length: 300 mm | Overall Length: 11.8110 inches |
| Cylindrical Shank Diameter: 19 mm (C19) | Cylindrical Shank Diameter: 0.7480 inches (approx. 3/4") |
| Flute Count: 2T (2 Flutes) / APMT1135 Insert | Flute Count: 2-Flute Design / APMT1135 Insert |
Recommended Cutting Parameters (Feed & Speed Guidance)
| Workpiece Material | Cutting Speed (Vc) | Feed Per Tooth (fz) |
|---|---|---|
| Carbon / Alloy Steel (HB 180-280) | 130 - 200 m/min | 0.02 - 0.08 mm/tooth |
| Austenitic Stainless Steel | 100 - 150 m/min | 0.02 - 0.06 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 120 - 180 m/min | 0.03 - 0.10 mm/tooth |
Need Precision C19 Power Chucks or Tool Holders?
Pair this 19mm cylindrical shank milling cutter with our heavy-duty power chucks or side-lock arbors.
Explore C19 Tool Holders & Chucks →4. Product Application Scenarios
Optimized for deep cavity mold making, extra-long structural component routing, vertical machining centers (VMCs), horizontal machining centers (HMCs), and deep 90-degree shoulder profiling using standard APMT1135 inserts.
5. Compatibility & Equipment
- Machine Compatibility: CNC Machining Centers, High-precision VMCs, and HMCs.
- Workholding System: Fully compatible with standard C19 cylindrical collet chucks, heavy-duty side-lock arbors, and hydraulic clamping chucks.
- Insert Profile: Engineered strictly to accept standard APMT1135 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 BAP300R-20-300-C19-2T toolholder?
A: No. Inserts are sold separately so machine operators can precisely match specific APMT1135 carbide grades to their workpiece material requirements.
Q: How do you manage chatter when using an extended 300mm reach toolholder?
A: Operating at a 300mm extended reach requires conservative axial depths of cut, reduced feed rates, and rigid C19 collet engagement to minimize harmonic vibration.
Q: What makes the 2-flute (2T) configuration ideal for deep pocket roughing?
A: The 2-flute structure provides wider chip pocket channels compared to higher flute counts, ensuring flawless chip evacuation in deep slotting and wall profiling applications.
Technical Support & Compliance Reference
Troubleshooting Tips
Deflection Control: Given the extreme 300mm overall length, enforce multi-pass shallow cut strategies with reduced radial immersion to completely suppress harmonic bending.
Clamping Security: Ensure maximum insertion depth along the 19mm cylindrical shank inside high-precision collet chucks to optimize structural rigidity.
Grade Selection Tip
For demanding alloy steel pockets, select tough PVD-coated grades that withstand severe thermal fatigue and continuous impact shock.
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.
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.