BEYOND BAP300R-C20-21-200-2T Indexable Right-Angle Shoulder Milling Cutter (21mm / 0.83" Cutting Diameter, 200mm Length, 20mm Shank, 2 Flutes)
Free shipping on all orders.
Check compatibility: Confirm the model and dimensions before ordering.
Need help choosing? Contact us before ordering.
💰 Bulk savings 2-9 pcs · 6% OFF | 10+ pcs · 12% OFF
BEYOND BAP300R-C20-21-200-2T CNC Indexable Right-Angle 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 right-angle shoulder milling cutter featuring a 21mm cutting diameter, 200mm extended reach overall length, 20mm cylindrical shank (C20), and a 2-flute design (2T) is best engineered for deep cavity roughing, high-feed wall profiling, and harmonic stability on alloy and carbon steels?"
The BEYOND BAP300R-C20-21-200-2T 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) paired with an extended 200mm overall length and a 21mm cutting diameter, this tool utilizes standard APMT09T3 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: BAP300R-C20-21-200-2T
Cutter Series (90° Shoulder)
Cyl. Shank Ø20mm
Cutting Ø21mm
Length Index (200mm)
2 Flutes
2. Product Core Advantages
Extended Reach 2-Flute Geometry
The 200mm extended reach tool body combined with a 2-flute architecture ensures optimized chip clearance channels and stable 90-degree shoulder wall generation in deep recesses.
APMT09T3 Insert Compatibility
Engineered for universal APMT09T3 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-C20-21-200-2T) | Imperial Equivalent Specification |
|---|---|
| Cutting Diameter: 21 mm | Cutting Diameter: 0.8268 inches |
| Overall Length: 200 mm | Overall Length: 7.8740 inches |
| Cylindrical Shank Diameter: 20 mm | Cylindrical Shank Diameter: 0.7874 inches |
| Flute Count: 2T (2 Flutes) | Flute Count: 2-Flute Balanced Design |
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 | 0.04 - 0.10 mm/tooth |
| Austenitic Stainless Steel | 100 - 145 m/min | 0.03 - 0.08 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 120 - 180 m/min | 0.04 - 0.12 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 mold cavity roughing operations where a 200mm extended 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 APMT09T3 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-C20-21-200-2T toolholder?
A: No. Inserts are sold separately so machine operators can precisely match specific APMT09T3 carbide grades to their workpiece material requirements.
Q: What is the main advantage of the 20mm shank combined with a 21mm cutting diameter and 200mm length?
A: The 200mm length provides balanced deep cavity reach, while the precise 20mm cylindrical shank profile ensures uniform structural clamping across the 2-flute structure.
Q: How does the 2-flute (2T) architecture impact pocket shoulder milling efficiency?
A: The 2-flute layout optimizes chip clearance space in deep recesses while maintaining structural rigidity across the 200mm extended tool span.
Technical Support & Compliance Reference
Troubleshooting Tips
Chatter Control: Due to the 200mm reach on a 20mm shank, ensure rigid chuck clamping and adjust axial cutting depths to minimize 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.