| Customization: | Available |
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| Coating: | Coating |
| Tooth Form: | Spiral Tooth |
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Size
| d | D | l | L |
| Shank Dia. (mm) | Cutting Dia. (mm) | Cutting Length (mm) | Total Length (mm) |
| 4 | 1 | 3 | 50 |
| 4 | 1.5 | 4.5 | 50 |
| 4 | 2 | 6 | 50 |
| 4 | 2.5 | 7.5 | 50 |
| 4 | 3 | 9 | 50 |
| 3 | 3 | 9 | 50 |
| 3 | 3 | 12 | 75 |
| 3 | 3 | 15 | 100 |
| 4 | 3.5 | 10 | 50 |
| 4 | 4 | 10 | 50 |
| 4 | 4 | 16 | 75 |
| 4 | 4 | 20 | 100 |
| 6 | 5 | 13 | 50 |
| 5 | 5 | 13 | 50 |
| 5 | 5 | 20 | 75 |
| 5 | 5 | 25 | 100 |
| 6 | 6 | 15 | 50 |
| 6 | 6 | 24 | 75 |
| 6 | 6 | 30 | 100 |
| 8 | 8 | 20 | 60 |
| 8 | 8 | 30 | 75 |
| 8 | 8 | 35 | 100 |
| 10 | 10 | 25 | 75 |
| 10 | 10 | 40 | 100 |
| 12 | 12 | 30 | 75 |
| 12 | 12 | 45 | 100 |
| 14 | 14 | 45 | 100 |
| 16 | 16 | 45 | 100 |
| 18 | 18 | 45 | 100 |
| 20 | 20 | 45 | 100 |
| 6 | 6 | 45 | 150 |
| 8 | 8 | 50 | 150 |
| 10 | 10 | 60 | 150 |
| 12 | 12 | 60 | 150 |
| 14 | 14 | 70 | 150 |
| 16 | 16 | 75 | 150 |
| 18 | 18 | 75 | 150 |
| 20 | 20 | 75 | 150 |
HRC58 End Mills are premium-grade cutting tools engineered for machining hard materials up to 58 Rockwell Hardness (HRC). Designed for CNC milling applications, these end mills deliver exceptional wear resistance, heat tolerance, and chip evacuation, making them ideal for aerospace, automotive, mold/die, and general metalworking industries.
Ultra-Hard Material Cutting - Optimized for steels, stainless steel (SS304/316), titanium, and hardened alloys.
Advanced Coating Technology - AlTiN (Aluminum Titanium Nitride) or TiSiN coating for extended tool life.
High Rigidity Design - Reduced vibration and deflection for superior surface finishes.
Multiple Flute Options - 2-flute (for aluminum), 3-flute (general purpose), 4-flute (finishing).
Variable Helix & Geometry - Minimizes harmonics and improves chip removal.
| Parameter | Details |
|---|---|
| Material | Solid carbide (Submicron grain) |
| Hardness | HRC58+ (Workpiece) / HRC62-65 (Tool) |
| Coating | AlTiN/TiSiN (Optional) |
| Shank Type | Straight, Weldon, or Reduced Shank |
| Diameter Range | 1mm - 20mm (Standard) |
| Flute Count | 2, 3, 4, or 6 flutes |
| Helix Angle | 30°-45° (Optimized for hard metals) |
HRC58 End Mills excel in:
Hard Milling: Tool steels (D2, H13), stainless steel, Inconel.
Precision Machining: Mold cavities, aerospace components.
High-Speed Machining (HSM): Stable performance at elevated RPMs.
The AlTiN/TiSiN coating reduces friction and thermal cracking, increasing lifespan by 3X vs. uncoated end mills.
Variable helix design eliminates chatter, ensuring Ra <0.4µm finishes in hardened steels.
Anti-clogging flute geometry prevents chip buildup, reducing recutting and edge chipping.
Available in square-end, ball-nose, and corner-radius styles for profiling, slotting, and 3D contouring.
| Material | RPM | Feed Rate (mm/tooth) | DOC (mm) |
|---|---|---|---|
| Hardened Steel (HRC50-58) | 8,000-12,000 | 0.04-0.08 | 0.3-1.0 |
| Stainless Steel | 10,000-15,000 | 0.05-0.10 | 0.5-1.5 |
| Titanium Alloys | 6,000-10,000 | 0.03-0.06 | 0.2-0.8 |
Use coolant (flood or MQL) for heat-sensitive materials.
Avoid excessive radial engagement (>50% of tool diameter).
Store in dry conditions to prevent coating degradation.
Q: Can HRC58 End Mills cut aluminum?
A: Yes (2-flute versions recommended), but for optimal performance in non-ferrous metals, consider uncoated end mills.
Q: What's the difference between AlTiN and TiSiN coating?
A: AlTiN offers better heat resistance (~900°C), while TiSiN provides smoother finishes for high-speed applications.
Q: Are these compatible with high-feed machining?
A: Yes, corner-radius variants support aggressive feeds.
Q1: Are you a factory or trading company?
A1: We are professional precision tools manufacturer,have more than 30 years experience in this industry. Welcome to visit us!
Q2: Do you produce special cutting tools?
A2: Yes, we provide OEM/ODM service for customers, just send us your design drawings if you have any customized items need to be made.
Q3: Can the price be reduced for large quantities?
A3: Yes, bigger quantity orders are cheaper.
Q4: When can I get the reply?
A4: We usually reply within 12 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
Q5: What is the lead time for mass production?
A5: Generally, It will take 10-15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q6: Is free shipping available?
A6: We don't offer a free shipping service. But we can have a discount if you buy a large number of products.
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