Fine Precision Cobalt End Mill (4mm Dia, 12mm Cut Length) for High-Speed Machining of Aluminum and Non-Ferrous Metals in Canada.
The Snail Tools HSS Co Single Flute End Mill (4 x 8 x 12 x 60MM) is a specialized, fine-diameter tool designed for highly efficient, high-speed material removal, particularly in aluminum, brass, and plastics. The single flute design allows for maximum chip clearance and evacuation, crucial for preventing material adhesion and ensuring a smooth finish. This cutter features a stabilized, larger shank for improved rigidity during intricate CNC applications across Ontario and the GTA.
Key Features & Optimized Performance
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Design: 1 Flute (Single Flute) – Provides the largest chip valley, essential for high feed rates and fast evacuation of soft materials, minimizing material sticking and friction.
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Material: HSS Co (High-Speed Steel with Cobalt) alloy construction ensures superior hardness, allowing the cutter to maintain its sharp edge and structural integrity during high-speed machining.
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Stabilized Shank: Features a larger 8 mm Shank Diameter (d) than the cutting diameter, providing enhanced stability and rigidity for the small 4 mm Cut Diameter (D), reducing vibration and improving cut quality.
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Application: Ideal for fine profiling, intricate slotting, and routing in non-ferrous metals and plastics, delivering an exceptionally clean surface finish.
Technical Specifications
| Detail | Measurement | Equivalent |
| Flutes | 1 | Single Flute |
| Shank Diameter (d) | 8 mm | 5/16 inch approx. |
| Cut Diameter (D) | 4 mm | 0.157 inches approx. |
| Length of Cut (B) | 12 mm | 0.47 inches approx. |
| Overall Length (L) | 60 mm | 2.36 inches approx. |
| Material Grade | HSS Co (Cobalt) | |
| Code | (Please provide a product code if available, e.g., 080) |
Trust Snail Tools to deliver the speed, precision, and rigidity required for superior fine-diameter machining of non-ferrous materials in your professional projects.


















