Standard Solid Carbide End Mills
HRC65 Square End Mill 4F
A rigid square end mill for efficient material removal, accurate shoulders and smooth flat surfaces.
Product Advantages
01Rigid cutting geometry
02Efficient material removal
03Accurate shoulders and slots
04Smooth surface finish
Technical Information
| Item | Specification |
|---|---|
| Tool Material | Premium micro-grain solid carbide |
| Geometry | 4-flute / square-end geometry |
| Coating | Application-specific high-performance coating |
| Recommended Materials | Carbon steel, alloy steel, tool steel and mold steel with workpiece hardness up to HRC65 |
| Typical Operations | Side milling, slotting, shoulder milling, profiling and finishing |
Published Specifications & Cutting Data
The following values are based on the specifications currently published for this product. Please confirm stock dimensions and machining conditions before ordering.
Product Information
| Item | Description |
|---|---|
| Product Name | Blue Nano-Coated 4-Flute Square End Mill |
| Tool Material | High-Performance Fine-Grain Solid Carbide |
| Number of Flutes | 4 Flutes |
| End Style | Square End / Flat End |
| Corner Style | Sharp Corner — No Corner Radius |
| Coating | Blue Heat-Resistant Nano Coating |
| Helix Angle | Approximately 30°–35° |
| Shank Type | Straight Shank |
| Cutting Direction | Right-Hand Cutting |
| Recommended Hardness | Workpiece hardness up to approximately HRC65 |
| Main Application | Hardened-Steel Semi-Finishing and Finishing |
| Manufacturing Method | Precision Ground |
Reference Specifications
| Cutter Dia. D | Cutting Length L | Shank Dia. D2 | Overall Length L2 | Flutes |
|---|---|---|---|---|
| 1.0 | 3 | 4 | 50 | 4 |
| 1.5 | 5 | 4 | 50 | 4 |
| 2.0 | 6 | 4 | 50 | 4 |
| 2.5 | 8 | 4 | 50 | 4 |
| 3.0 | 9 | 3 | 50 | 4 |
| 3.0 | 9 | 4 | 50 | 4 |
| 3.5 | 10 | 4 | 50 | 4 |
| 4.0 | 12 | 4 | 50 | 4 |
| 5.0 | 13 | 5 | 50 | 4 |
| 5.0 | 13 | 6 | 50 | 4 |
| 6.0 | 15 | 6 | 50 | 4 |
| 7.0 | 20 | 8 | 60 | 4 |
| 8.0 | 20 | 8 | 60 | 4 |
| 8.0 | 24 | 8 | 60 | 4 |
| 9.0 | 25 | 10 | 75 | 4 |
| 10.0 | 25 | 10 | 75 | 4 |
| 10.0 | 30 | 10 | 75 | 4 |
| 11.0 | 30 | 12 | 75 | 4 |
| 12.0 | 30 | 12 | 75 | 4 |
| 12.0 | 35 | 12 | 75 | 4 |
| 14.0 | 45 | 14 | 100 | 4 |
| 16.0 | 45 | 16 | 100 | 4 |
| 18.0 | 45 | 18 | 100 | 4 |
| 20.0 | 45 | 20 | 100 | 4 |
Reference Dimensional Tolerance
| Item | Reference Tolerance |
|---|---|
| Cutter diameter D ≤ 12 mm | 0 / −0.015 mm |
| Cutter diameter D > 12 mm | 0 / −0.020 mm |
| Shank diameter D2 | h6 available upon request |
| Overall length L2 | Confirm according to product size |
Reference Cutting Conditions
| Workpiece Material | Material Hardness | Recommended Vc |
|---|---|---|
| Mold or alloy steel | Below HRC50 | 45–70 m/min |
| Hardened mold steel | HRC50–55 | 35–55 m/min |
| Hardened tool steel | HRC55–60 | 25–45 m/min |
| High-hardness steel | HRC60–65 | 18–35 m/min |
| High-alloy cast iron | HRC40–50 | 30–50 m/min |
Reference Machining Parameters
| Cutter Dia. | Spindle Speed | Feed Rate |
|---|---|---|
| 4 mm | 2,500–4,000 rpm | 140–300 mm/min |
| 6 mm | 1,800–3,000 rpm | 180–360 mm/min |
| 8 mm | 1,400–2,300 rpm | 200–420 mm/min |
| 10 mm | 1,100–1,900 rpm | 220–450 mm/min |
| 12 mm | 900–1,600 rpm | 220–450 mm/min |
| 16 mm | 700–1,200 rpm | 190–390 mm/min |
| 20 mm | 550–900 rpm | 170–340 mm/min |
Customization & OEM Service
Custom cutting diameters, flute lengths, overall lengths, shank diameters, tool geometry, coatings, laser marking and private-label packaging are available according to your machining requirements.
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