Home » Hand & Machine Tools » Solid Carbide End Mills » Square End Mill (68 HRC Nano) - 4mm Cutting Diameter, 75mm OAL, 30mm Flute Length, Ball Nose, 2 Flute
Square End Mill (68 HRC Nano) - 4mm Cutting Diameter, 75mm OAL, 30mm Flute Length, Ball Nose, 2 Flute
₹ 180 Get Latest Price
Product Specifications
| Availability | In Stock |
| Cutting Diameter | 4 mm |
| End Type | Ball Nose |
| Flute Length | 30 mm |
| Hardness (HRC) | 65 HRC |
| Number of Flutes | 2 Flute |
| Overall Length (OAL) | 75 mm |
GST No - 27IHSPS8293E2Z9 | Member since 2026
3, 21, BANDUKWALA BUILDING, CHIMNA BUTCHER STREET, MUMBAI, Mumbai, Maharashtra, 400003
Square End Mill (68 HRC Nano) - 4mm Cutting Diameter, 75mm OAL, 30mm Flute Length, Ball Nose, 2 Flute Read More...
Product Details
A 68 HRC Square End Mill with a Nano-Coating is a precision cutting tool designed for the most demanding applications in hard milling, specifically targeting materials with hardness levels up to and including 68 Rockwell C. This tool is characterized by its square-end geometry (90-degree corners), making it ideal for creating sharp shoulders, slots, and achieving true 90-degree corners and flat bottom surfaces in cavities. The mill is fabricated from ultra-fine-grain solid carbide for maximum rigidity and high-temperature strength. Its performance is critically enhanced by the Nano-composite coating (such as $\text{AlTiN}/\text{SiN}$ or similar proprietary formulations) applied via PVD. This nano-structured layer offers extreme hot hardness and superior thermal stability, protecting the cutting edge from the high heat and abrasion generated when machining pre-hardened tool steels, die steels, and high-strength alloys. The combination of the robust square-end profile and the protective nano-coating allows for aggressive material removal and precise finishing after heat treatment, often eliminating the slower, more costly process of grinding.
3, 21, BANDUKWALA BUILDING, CHIMNA BUTCHER STREET, MUMBAI, Mumbai, Maharashtra, 400003
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