BEYOND BAP300R-C19-20-300-2T Indexable Right-Angle Shoulder Milling Cutter (19mm Shank / 0.75" Shank, 20mm Cutting Diameter, 300mm Extra-Long Reach, 2 Flutes)
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BEYOND BAP300R-C19-20-300-2T CNC Indexable Right-Angle Shoulder Milling Cutter
ISO/ANSI Standard Precision Tooling with Extra-Long 19mm Cylindrical Shank for Deep Cavity & 90-Degree Wall Profiling
1. Product Overview
"Which indexable face mill and 90-degree right-angle shoulder milling cutter featuring a 19mm cylindrical shank (C19), 20mm cutting diameter, 300mm extra-long overall reach, and a 2-flute design (2T) paired with APMT1135 inserts is best engineered for deep cavity profiling, restricted pocket milling, and harmonic stability on alloy and carbon steels?"
The BEYOND BAP300R-C19-20-300-2T is an elite industrial extra-long reach indexable shoulder and face milling cutter built strictly to international ISO and ANSI cutting tool standards. Featuring a specialized 19mm cylindrical shank (C19) paired with a massive 300mm overall length and a 20mm cutting diameter, 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 in deep recesses, and promote seamless chip evacuation during deep pocket milling operations.
ISO / ANSI Nomenclature Breakdown: BAP300R-C19-20-300-2T
Cutter Series (90° Shoulder)
Cyl. Shank Ø19mm
Cutting Ø20mm
Length Index (300mm)
2 Flutes
2. Product Core Advantages
Extra-Long 300mm Reach & 2-Flute Geometry
The 300mm extended tool body combined with a 2-flute architecture ensures optimized chip clearance channels in deep cavities and stable 90-degree shoulder wall generation.
APMT1135 Insert Compatibility
Engineered strictly for universal APMT1135 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 (BAP300R-C19-20-300-2T) | Imperial Equivalent Specification |
|---|---|
| Cutting Diameter: 20 mm | Cutting Diameter: 0.7874 inches |
| Overall Length: 300 mm | Overall Length: 11.8110 inches |
| Cylindrical Shank Diameter: 19 mm | Cylindrical Shank Diameter: 0.7480 inches (approx. 3/4") |
| Flute Count: 2T (2 Flutes) / APMT1135 Insert | Flute Count: 2-Flute Balanced Design / APMT1135 Insert |
Recommended Cutting Parameters (Feed & Speed Guidance)
| Workpiece Material | Cutting Speed (Vc) | Feed Per Tooth (fz) |
|---|---|---|
| Carbon / Alloy Steel (HB 180-280) | 110 - 170 m/min | 0.02 - 0.08 mm/tooth |
| Austenitic Stainless Steel | 80 - 120 m/min | 0.02 - 0.06 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 100 - 150 m/min | 0.03 - 0.10 mm/tooth |
Need Precision 19mm Power Chucks or Tool Holders?
Pair this 19mm cylindrical shank milling cutter with our heavy-duty power chucks or side-lock arbors.
Explore 19mm Tool Holders & Chucks →4. Product Application Scenarios
Optimized for deep mold cavity machining, aerospace structural components, vertical machining centers (VMCs), and horizontal machining centers (HMCs) where an extended 300mm reach and precise 90-degree wall profiling are required using APMT1135 inserts.
5. Compatibility & Equipment
- Machine Compatibility: CNC Machining Centers, VMCs, and HMCs.
- Workholding System: Fully compatible with standard 19mm 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-C19-20-300-2T 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 I manage chatter given the 300mm extra-long reach on a 19mm shank?
A: Due to the 300mm extended overhang, it is recommended to reduce axial depth of cut ($ap$), lower feed rates by 20-30%, and use maximum engagement length inside the 19mm collet or hydraulic chuck.
Q: What is the primary advantage of the 2-flute architecture on this deep cavity cutter?
A: The 2-flute (2T) design provides generous chip flute channels essential for clearing evacuated material out of deep 300mm recesses without jamming.
Technical Support & Compliance Reference
Troubleshooting Tips
Chatter and Deflection Mitigation: Because of the 300mm span on a 19mm shank, prioritize high-rigidity hydraulic chucks, decrease radial width of cut ($ae$), and use climb milling to stabilize cutting forces.
Thermal Management: Apply high-pressure through-spool or external air/mist blast to prevent chip recutilization in deep pockets.
Grade Selection Tip
When machining deep pockets in alloy steels, opt for thick, heat-resistant CVD grades to handle prolonged thermal loads at extended overhangs.
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.