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Sandvik Coromant 1" Dia, CoroMill 390 Square Shoulder milling Cutter, 0.75" Weldon (DIN6535-HB) -inch: 3/4, CoroMill 390 -Size 11 (R390-11) Insert,
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The CoroMill 390 family offers versatile machining solutions with high-quality results.
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What Stands Out
Product Details
- Light-cutting insert geometry minimizes cutting forces and reduces deflection and vibration
- Cutter versions available for shoulder milling and long edge milling with through coolant feature
- Insert sizes -11 suitable for depths of cut up to 15.7 mm, with a wide range of corner radii and geometries
- CoroMill 390 family ideal for generating 90-degree shoulder, ramping, helical interpolation, and available with integrated dampening for vibration-free machining
- Compatible with various coupling and mounting options including Coromant Capto coupling, exchangeable head (EH) coupling, and others for tooling flexibility
- Suitable for use in steel, stainless steel, cast iron, aluminum, heat resistant alloys, titanium alloys, and hardened materials
| Cutting Diameter | 1 Inches (2.5 cm) |
| Size Name | 11 |
| Brand Name | Sandvik Coromant |
| Manufacturer | Sandvik Coromant |
| Part Number | RA390-025M19-11M |
| Model | 69826208218 |
| Unit Count | 1.0 Count |
| End Cut Type | Square End |
| Cut Type | Finishing, Roughing, Square |
| Material Type | Alloy Steel |
| Shape | Square |
| Material | Alloy Steel |
| Size | 11 |
| Item Weight | 1.2 lbs (540 grams) |
Who Should Buy?
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Metal Fabricators
Ideal for metal fabricators needing precise square shoulder milling for various metal materials in heavy-duty applications.
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Machinists
Perfect for skilled machinists looking to achieve high precision and surface finish in milling operations.
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Industrial Workshops
Great fit for industrial workshops that require robust milling tools to improve efficiency in production runs.
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Hobbyist Users
Not suitable for casual hobbyists, as the tool demands professional-level machining experience and specific setups.
Product Description
Sandvik Coromant 1" Dia, CoroMill 390 Square Shoulder milling Cutter, 0.75" Weldon (DIN6535-HB) -inch: 3/4, CoroMill 390 -Size 11 (R390-11) Insert, 90 deg Lead, RA390-025M19-11M (Pack of 1)
Customer Questions & Answers
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Question:
What makes the Sandvik Coromant CoroMill 390 milling cutter stand out?
Answer: The Sandvik Coromant CoroMill 390 is designed for high-precision square shoulder milling. Its advanced geometry minimizes cutting forces and enhances chip removal. This allows for extended tool life and improved surface finishes, making it suitable for demanding applications in various materials including steel and aluminum. Users often find it effective when machining complex geometries and intricate features, elevating production efficiency. -
Question:
What is the significance of the 0.75 Weldon shank in the CoroMill 390?
Answer: The 0.75 Weldon shank ensures a secure hold in the milling machine, reducing vibration and increasing stability during operation. This design is vital for maintaining precision in machining, especially in high-speed applications. Users benefit from reduced tool wear and improved accuracy, which is critical for achieving detailed part specifications. -
Question:
Can the R390-11 insert be replaced when it wears out?
Answer: Yes, the R390-11 inserts for the CoroMill 390 are interchangeable and can be easily replaced when they wear out. This modular design helps maintain productivity while minimizing downtime. Additionally, replacing inserts rather than the entire cutter enhances cost-effectiveness and promotes sustainability in machining operations. -
Question:
What materials can the CoroMill 390 milling cutter effectively machine?
Answer: The CoroMill 390 excels in machining various materials, including steel, stainless steel, cast iron, and some non-ferrous metals. Its versatility makes it suitable for diverse applications, from automotive to aerospace. Users appreciate its ability to deliver consistent performance across different hardness levels and workpiece shapes. -
Question:
Is the CoroMill 390 suitable for high-speed machining?
Answer: Yes, the CoroMill 390 is highly suitable for high-speed machining due to its optimized cutting geometry and insert design. It is engineered to minimize cutting forces, allowing users to achieve higher feed rates without compromising surface quality. This makes it an excellent choice for industries focused on maximizing productivity while maintaining precision. -
Question:
What industries benefit most from using the Sandvik Coromant CoroMill 390?
Answer: Industries such as automotive, aerospace, and manufacturing significantly benefit from the Sandvik Coromant CoroMill 390. Its capability to handle complex geometries and provide excellent surface finishes is crucial in these sectors. Users often find that utilizing this milling cutter can streamline production processes and enhance overall machining efficiency. -
Question:
How does the 90-degree cutting edge contribute to the cutter's performance?
Answer: The 90-degree cutting edge of the CoroMill 390 is specifically designed for creating square shoulders and precise edges. This geometry ensures that the tool can tackle a variety of shoulder milling tasks with exceptional accuracy. Users appreciate how this design minimizes tool chatter, leading to a smoother machining experience and superior part quality. -
Question:
What advantages does the design of CoroMill 390 offer for chip evacuation?
Answer: The design of the CoroMill 390 promotes effective chip evacuation, which is key to maintaining cutting efficiency. The insert's geometry helps direct chips away from the cutting area, reducing built-up edge formation and overheating. This feature is particularly beneficial in high-volume applications, as it contributes to improved tool life and consistent results. -
Question:
What is the recommended speed and feed for the CoroMill 390?
Answer: While specific speed and feed rates can vary based on materials and machining conditions, the CoroMill 390 generally operates efficiently at moderate to high speeds when machining steel and aluminum. It’s best to refer to technical documentation and guidelines provided by Sandvik or use practical experience to fine-tune these parameters for optimal performance in your specific applications. -
Question:
Where can I buy the Sandvik Coromant CoroMill 390 milling cutter in British Virgin Islands?
Answer: You can purchase the Sandvik Coromant CoroMill 390 milling cutter from Ubuy in British Virgin Islands. Ubuy offers a selection of professional-grade milling cutters, ensuring that you find the right tool for your machining needs. With a user-friendly shopping experience, Ubuy provides access to high-quality manufacturing tools delivered directly to your doorstep.
Sandvik Coromant Square Nose Editorial Review
The Sandvik Coromant 1" Dia, CoroMill 390 Square Shoulder milling Cutter is a highly efficient tool for precision machining. It features a 0.75" Weldon DIN6535-HB -inch: 34 and the CoroMill 390 -Size 11 R390-11, which makes it the perfect choice for square shoulder milling. The cutter is designed with high-performance grades and geometries, which ensures superior surface finish and longer tool life. The cutter also has internal coolant through capability, which helps to improve chip evacuation and increase tool life. Overall, the Sandvik Coromant 1" Dia, CoroMill 390 Square Shoulder milling Cutter is a highly reliable and efficient tool that delivers excellent results for precision machining tasks.
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Pros
- High-performance grades and geometries
- Superior surface finish
- Longer tool life
- Internal coolant through capability
Platform Trust & Buyer Confidence
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