Precision Cobalt End Mill (3mm Dia, 8mm Cut Length) for Maximum Rigidity and Fine Finishing in Harder Metals in Canada.
The Snail Tools HSS Co Four Flute End Mill (3 x 6 x 8 x 52MM) is a fine-diameter, high-rigidity tool designed for precision finishing operations, particularly in steel, stainless steel, and tough alloys. The four-flute design provides the maximum possible tool rigidity and engagement, resulting in the finest surface finish and highest stability during demanding finishing passes. This cutter features a cobalt infusion for superior heat resistance, making it ideal for accurate CNC finishing applications across Ontario and the GTA.
Key Features & Fine Finishing
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Design: 4 Flutes (Quad Flute) – Offers maximum stability and minimal deflection, resulting in the highest quality surface finish and longest tool life, especially when performing peripheral milling and finishing operations.1
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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 machining of tougher metals.
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Stabilized Shank: Features a larger 6 mm Shank Diameter (d) than the cutting diameter, providing enhanced stability and rigidity for the fine 3 mm Cut Diameter (D), crucial for minimizing deflection and improving accuracy.
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Application: Ideal for profiling, shallow slotting (in lighter materials), and high-quality finishing passes where tool stability and surface integrity are paramount in ferrous metals.
Technical Specifications
| Detail | Measurement | Equivalent |
| Flutes | 4 | Quad Flute |
| Shank Diameter (d) | 6 mm | 0.236 inches approx. |
| Cut Diameter (D) | 3 mm | 0.118 inches approx. |
| Length of Cut (B) | 8 mm | 0.31 inches approx. |
| Overall Length (L) | 52 mm | 2.05 inches approx. |
| Material Grade | HSS Co (Cobalt) | |
| Code | (Please provide a product code if available, e.g., 114) |
Trust Snail Tools to deliver the maximum rigidity, stability, and superior finish required for demanding machining of ferrous and non-ferrous materials in your professional projects.

















