Precision Cobalt End Mill (3mm Dia, 8mm Cut Length) for Enhanced Rigidity and Finishing in Harder Metals in Canada.
The Snail Tools HSS Co Three Flute End Mill (3 x 6 x 8 x 52MM) is a fine-diameter, high-rigidity tool designed for precision milling and finishing, particularly in steel, stainless steel, and tougher alloys. The three-flute design provides significantly increased stability, reduces deflection, and delivers a finer finish compared to two-flute cutters. This cutter features a cobalt infusion for superior heat resistance, making it ideal for demanding CNC finishing applications across Ontario and the GTA.
Key Features & Precision Finishing
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Design: 3 Flutes (Triple Flute) – Offers enhanced stability and rigidity, providing better control and producing a smoother surface finish, especially crucial for harder materials and delicate components.
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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 fine profiling, finish slotting, and plunging operations where a high-quality surface finish and rigidity are paramount in ferrous metals.
Technical Specifications
| Detail | Measurement | Equivalent |
| Flutes | 3 | Triple 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., 104) |
Trust Snail Tools to deliver the precision, stability, and superior finish required for demanding machining of ferrous and non-ferrous materials in your professional projects.




















