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Carbide Roughing End Mill – 4 Flute AlTiN Coated
Carbide Roughing End Mill – 4 Flute AlTiN Coated
CUTOUTIL TOOL manufactures precision carbide end mills—roughing, finishing, micro, and specials—coated with AlTiN, TiSiN, DLC. Five-day lead time, no MOQ, global 3-day ship. Boost metal-removal rates up to 40 % while lowering cost per part. Send RFQ today for free samples and factory-direct pricing.
Description
Carbide Roughing End Mill – 4 Flute AlTiN Coated
High-Performance Roughing for Steel, Stainless, Titanium & Exotics
Stocked & Ready for Same-Day Shipment from CUTOUTIL TOOL China
CUTOUTIL TOOL Carbide Roughing End Mills with 4-flute aggressive geometry and premium AlTiN coating remove material up to 40 % faster than conventional end mills while extending tool life in dry or minimum-quantity-lubrication conditions. The 45° helix and variable-pitch flutes break chips, reduce chatter, and leave a better-than-expected wall finish for a roughing tool. Ideal for high-velocity trochoidal tool paths on ISO-P, ISO-M and ISO-S materials.
Key Advantages
Ultra-fine 0.5 µm WC/Co sub-micron carbide for hot-hardness > 1,200 HV
4-flute variable pitch & variable helix eliminates resonance
AlTiN nano-layer (3.5 µm, 3,500 HV) – 900 °C oxidation resistance
Center-cutting; plunge, ramp and helical entry capability
h6 shank tolerance for shrink-fit, hydraulic & collet holders
Stock sizes 4–25 mm, 1/8–1″; reach lengths 2×D, 3×D, 5×D, 7×D
Manufactured on 5-axis ANCA & Walter CNC grinders, Zoller 100 % inspected
Competitive prices, no MOQ, OEM laser marking & custom coating available
Quick-Spec Table – Carbide Roughing End Mill 4 Flute AlTiN (Standard Inch & Metric)
| Part Number | Cutter Dia. (D) | Shank Dia. (d) | Flute Length (Lcf) | OAL (L) | Flutes | Coating | Corner Radius | Price (USD) |
|---|---|---|---|---|---|---|---|---|
| CR-4F-040 | 4 mm | 6 mm | 12 mm | 50 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-060 | 6 mm | 6 mm | 18 mm | 50 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-080 | 8 mm | 8 mm | 24 mm | 60 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-100 | 10 mm | 10 mm | 30 mm | 75 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-120 | 12 mm | 12 mm | 36 mm | 75 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-160 | 16 mm | 16 mm | 45 mm | 100 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-200 | 20 mm | 20 mm | 50 mm | 100 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-250 | 25 mm | 25 mm | 55 mm | 110 mm | 4 | AlTiN | 0.05 mm | on request |
| CR-4F-18 | 1/8″ | 1/8″ | 1/2″ | 2″ | 4 | AlTiN | 0.002″ | on request |
| CR-4F-14 | 1/4″ | 1/4″ | 3/4″ | 2-1/2″ | 4 | AlTiN | 0.002″ | on request |
| CR-4F-38 | 3/8″ | 3/8″ | 1″ | 3″ | 4 | AlTiN | 0.002″ | on request |
| CR-4F-12 | 1/2″ | 1/2″ | 1-1/4″ | 3-1/2″ | 4 | AlTiN | 0.002″ | on request |
| CR-4F-34 | 3/4″ | 3/4″ | 1-5/8″ | 4″ | 4 | AlTiN | 0.002″ | on request |
| CR-4F-1.0 | 1″ | 1″ | 2″ | 4-1/2″ | 4 | AlTiN | 0.002″ | on request |
Recommended Cutting Data (dry or 5 % mist)
| Material Group | Vc (m/min) | fz (mm/tooth) | ae %D | ap %D | Application Notes |
|---|---|---|---|---|---|
| Carbon & Alloy Steel (<45 HRC) | 180–220 | 0.08–0.14 | 30–50 % | 1–1.5×D | Trochoidal, 0.02 mm chip thinning |
| Stainless Steel (300/400 series) | 120–150 | 0.06–0.10 | 25–40 % | 1×D | Climb mill, avoid dwell |
| Titanium (Ti-6Al-4V) | 80–100 | 0.05–0.08 | 20–30 % | 0.8×D | Air blast or MQL |
| Inconel / Hastelloy | 50–70 | 0.04–0.06 | 15–25 % | 0.5×D | Rigid setup, min run-out |
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