4-Flute Solid Carbide Corner-Rounding End Mill for Edge Finishing
4-flute solid carbide corner rounding end mills for CNC edge radiusing and profile finishing. Available in Ø3–20 mm with R0.5–R6 profiles and material-matched coating options.
- Precision-ground radius for consistent edge finishing.
- Four flutes support stable corner rounding.
- Rigid solid carbide for precision CNC machining.
Product Configuration
Precision Radius
R1–R6 Options
4-Flute Design
Stable Edge Finishing
Solid Carbide
High Rigidity
Custom Profiles
OEM Available
Carbide Corner-Rounding End Mill Overview
This 4-flute solid carbide corner rounding end mill is designed for external edge radiusing and finishing in steel, alloy steel and selected mold steels. Its precision-ground concave profile forms consistent edge radii, with geometry and coatings matched to material hardness and finishing requirements.
Corner-Rounding Cutting Geometry
Precision-Ground Radius Profile
Precision-ground concave profile for consistent rounded edges and smooth transitions.
4-Flute Cutting Structure
Four cutting edges support stable edge radiusing and precision finishing.
Steel-Oriented Configuration
Cutting geometry and coating tailored to steel grade, hardness and finishing requirements.
Application-Specific Advantages
Defined Edge Radius
Standard R1–R6 profiles cover common corner-rounding requirements.
Four Cutting Edges
The 4-flute configuration supports stable edge profiling and finishing.
Solid Carbide Rigidity
Solid carbide construction provides a rigid platform for precision CNC edge machining.
Custom Radius Supply
Radius, neck geometry, shank dimensions, length and coating can be reviewed according to drawings.
Recommended Machining Operations
Workpiece Material Compatibility
| MATERIAL GROUP | APPLICATION | LEVEL |
|---|---|---|
| P Carbon Steel | Edge radiusing and profile finishing | Primary |
| P Alloy Steel | Coating and cutting conditions selected according to grade | Primary |
| P Mold & Tool Steel | Mold edges and precision component finishing | Recommended |
| Pre-Hardened Steel | Application review recommended as hardness approaches HRC55 | Application Review |
Product Details
Product views showing the concave corner-rounding profile, 4-flute cutting geometry and solid carbide tool construction.
Corner Rounding End Mill Dimensions
Reference dimensions for the 4-flute solid carbide corner rounding end mill, with R1–R6 radius options for precision edge finishing.
R = Corner Radius | d = Shank Diameter | L = Overall Length | T = Flutes
Technical Specifications
| Tool Type | Corner Rounding End Mill |
| Tool Material | Solid Carbide |
| Flutes | 4 |
| Cutting Profile | Concave Radius Profile |
| Workpiece Materials | Carbon Steel / Alloy Steel / Mold Steel / Pre-Hardened Steel |
| Coating | Selected by Material & Hardness |
| Applications | Corner Rounding / Edge Radiusing / Precision Edge Finishing |
Standard Sizes & Dimensions
Standard R1–R6 configurations. All dimensions are in millimeters.
| Specification | Radius R | Shank Dia. d | Overall Length L | Flutes |
|---|---|---|---|---|
| R1 × 4 × 50 × 4T | 1 | 4 | 50 | 4 |
| R1.5 × 6 × 50 × 4T | 1.5 | 6 | 50 | 4 |
| R2 × 6 × 50 × 4T | 2 | 6 | 50 | 4 |
| R2.5 × 8 × 50 × 4T | 2.5 | 8 | 50 | 4 |
| R3 × 8 × 50 × 4T | 3 | 8 | 50 | 4 |
| R4 × 10 × 60 × 4T | 4 | 10 | 60 | 4 |
| R5 × 12 × 75 × 4T | 5 | 12 | 75 | 4 |
| R6 × 14 × 75 × 4T | 6 | 14 | 75 | 4 |
Application Notes: Match radius R to the finished edge profile. Check tool clearance and axial position. Use low runout and adjust cutting conditions to workpiece hardness.
Corner Rounding End Mill Customization
Custom corner radii, cutting profiles, shank sizes, lengths and coatings are available for precision edge finishing in steel. Non-standard configurations can be reviewed from drawings or samples.
For quotation: Provide the required radius, dimensions, workpiece material, drawing and quantity.
OEM & Private Label
Custom laser marking, tool codes, labels and protective packaging are available for distributors and OEM orders.
Quality, Inspection & Delivery
Our 4-flute solid carbide corner rounding end mills undergo checks of radius accuracy, dimensions, runout and cutting-edge condition. Protective packaging supports safe delivery and consistent repeat orders.
Corner Rounding End Mill FAQs
Common questions about 4-flute solid carbide corner rounding end mills for precision edge finishing in steel.
What is a corner rounding end mill used for?
How is corner rounding different from chamfering?
How can I achieve consistent edge radii?
What standard corner radius sizes are available?
Why choose a 4-flute corner rounding end mill?
Which steel materials are suitable?
Customization & Ordering FAQs
Can custom corner radii and cutter dimensions be made?
Can you reproduce a corner rounding cutter from a sample?
Do you offer OEM and private-label corner rounding cutters?
What information is needed for a quotation?
Need Sizes, Pricing or Custom Options?
Send your specifications and quantity for a quote.
- Standard Sizes
- Small Trial Orders
- Mixed Sizes
- OEM & Custom
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