BEYOND BAP300R-C19-20-250-2T Indexable Right-Angle Shoulder Milling Cutter (19mm Shank / 0.75" Shank, 20mm Cutting Diameter, 250mm Extended Reach, 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-C19-20-250-2T CNC Indexable Right-Angle Shoulder Milling Cutter
ISO/ANSI Standard Precision Tooling with Extended 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, 250mm extended overall reach, and a 2-flute design (2T) paired with APMT1135 inserts is best engineered for deep cavity profiling, pocket wall finishing, and harmonic stability on alloy and carbon steels?"
The BEYOND BAP300R-C19-20-250-2T is an elite industrial extended-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 250mm 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 complex pocket milling operations.
ISO / ANSI Nomenclature Breakdown: BAP300R-C19-20-250-2T
Cutter Series (90° Shoulder)
Cyl. Shank Ø19mm
Cutting Ø20mm
Length Index (250mm)
2 Flutes
2. Product Core Advantages
Extended 250mm Reach & 2-Flute Geometry
The 250mm extended tool body combined with a 2-flute architecture ensures optimized chip clearance channels in deep pockets 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-C19-20-250-2T) | Imperial Equivalent Specification |
|---|---|
| Cutting Diameter: 20 mm | Cutting Diameter: 0.7874 inches |
| Overall Length: 250 mm | Overall Length: 9.8425 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) | 120 - 180 m/min | 0.02 - 0.09 mm/tooth |
| Austenitic Stainless Steel | 90 - 130 m/min | 0.02 - 0.07 mm/tooth |
| Cast Iron (HT250 / GJL-250) | 110 - 160 m/min | 0.03 - 0.11 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, slotting operations, vertical machining centers (VMCs), and horizontal machining centers (HMCs) where an extended 250mm 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-C19-20-250-2T 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 vibration given the 250mm extended reach on a 19mm shank?
A: Due to the 250mm extended overhang, it is recommended to reduce axial depth of cut ($ap$), lower feed rates by 15-25%, and ensure maximum clamping depth inside the 19mm collet or hydraulic chuck.
Q: What is the primary benefit of the 2-flute architecture on this extended tool body?
A: The 2-flute (2T) design provides optimal chip flute channels essential for clearing evacuated material out of deep 250mm recesses without binding.
Technical Support & Compliance Reference
Troubleshooting Tips
Chatter and Deflection Mitigation: Because of the 250mm span on a 19mm shank, prioritize high-rigidity hydraulic or shrink-fit chucks, decrease radial width of cut ($ae$), and apply climb milling principles.
Thermal Management: Utilize high-pressure coolant or air blasts to prevent chip stagnation and thermal shock during extended cavity milling.
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.
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.