PRODUCT DETAILS
The HSS Roughing End Mill 4 Flute is designed for heavy-duty metal cutting applications where rapid material removal and stability are key. Made from high-quality High-Speed Steel (HSS), this tool is ideal for rough milling operations across a wide range of materials including carbon steel, alloy steel, cast iron, and general-purpose metals.
With its 4-flute serrated cutting edge design, this end mill delivers reduced cutting resistance, improved chip breaking, and excellent heat resistance. It’s the reliable choice for machinists who need efficiency and performance in roughing applications.
Material: Premium-grade HSS for excellent wear and heat resistance
Flute Design: 4-flute roughing profile improves chip evacuation and cutting stability
Surface Finish: Serrated edges minimize vibration and improve machining balance
End Type: Square end for general roughing operations
Shank Type: Straight shank compatible with most tool holders
Optional Coatings: TiN, TiAlN coatings available for extended tool life
Ideal for: Rough milling and slotting in medium to high-strength materials
Material Compatibility: Carbon steel, alloy steel, stainless steel, cast iron
Industries Served: Mold making, die & tool shops, automotive, general machining
Machinery: CNC milling machines, manual milling machines
✅ High material removal rate – Cut faster without sacrificing tool life
✅ Stable performance – Reduced chatter and vibration during heavy cuts
✅ Versatile application – Effective across a broad range of metals
✅ Affordable durability – Lower cost than carbide, with solid toughness
For best results, use moderate speeds and ample coolant during roughing
Follow with a finishing end mill for improved surface finish and dimensional accuracy
TiN-coated models are ideal for increased tool life in harder steels
Packaging: Plastic tube per piece; bulk options available
Lead Time: 7–15 days depending on quantity
MOQ: Flexible for standard sizes
Shipping: Fast global delivery via FedEx, UPS, DHL, or ocean freight
Looking for a reliable HSS roughing solution or need a custom tool?
Contact Our Sales Team for expert guidance and a competitive quote.
| DIA | SHK | FL | OAL | Flutes |
| 6 | 6 | 19 | 60 | 4 |
| 6 | 6 | 25 | 68 | 4 |
| 8 | 8 | 25 | 66 | 4 |
| 8 | 8 | 38 | 83 | 4 |
| 10 | 10 | 25 | 75 | 4 |
| 10 | 10 | 45 | 95 | 4 |
| 12 | 12 | 35 | 85 | 4 |
| 12 | 12 | 53 | 110 | 4 |
| 14 | 12 | 35 | 85 | 4 |
| 14 | 12 | 53 | 110 | 4 |
| 16 | 16 | 42 | 95 | 4 |
| 16 | 16 | 63 | 123 | 4 |
| 18 | 16 | 42 | 95 | 4 |
| 18 | 16 | 63 | 123 | 4 |
| 20 | 20 | 50 | 110 | 4 |
| 20 | 20 | 75 | 141 | 4 |
| 22 | 20 | 50 | 110 | 4 |
| 22 | 20 | 75 | 141 | 4 |
| 25 | 20 | 60 | 125 | 4 |
| 25 | 20 | 100 | 160 | 4 |
Custom sizes and coating options available upon request.
Explore more cutting tools from the same series or for similar applications
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