Home » Hand & Machine Tools » Solid Carbide End Mills » Hard Milling Cutter 68 HRC Ball Nose (8mm x 25mm x 150mm) - 4 Flute
Hard Milling Cutter 68 HRC Ball Nose (8mm x 25mm x 150mm) - 4 Flute
₹ 180 Get Latest Price
Product Specifications
| Availability | In Stock |
| Coating | AlTiN |
| Cutting Diameter | 8 mm |
| End Type | Ball Nose |
| Flute Length | 25 mm |
| Number of Flutes | 4 Flute |
| Overall Length (OAL) | 150 mm |
GST No - 27IHSPS8293E2Z9 | Member since 2026
3, 21, BANDUKWALA BUILDING, CHIMNA BUTCHER STREET, MUMBAI, Mumbai, Maharashtra, 400003
Hard Milling Cutter 68 HRC Ball Nose (8mm x 25mm x 150mm) - 4 Flute Read More...
Product Details
A hard milling cutter for 68 HRC steel is a specialized, high-performance tool, typically a solid end mill, meticulously engineered to machine extremely hard die and tool steels without relying on slower, costly grinding processes. This cutter is fundamentally made from a premium, ultra-fine micro-grain solid carbide substrate, chosen for its exceptional hot hardness, strength, and resistance to plastic deformation under the intense heat and compressive forces of cutting. Crucially, the tool is protected by an advanced PVD nanocomposite coating such as AlTiN-Nano, TiSiN, or proprietary equivalents. This coating serves as a hard, high-temperature barrier that prevents premature wear, chemical reactions, and heat transfer to the carbide core, allowing for high spindle speeds and dry or near-dry machining conditions. The geometry is optimized for high-speed machining (HSM), often featuring a high number of flutes (4-6+) for stability, coupled with variable helix or unequal indexing to suppress chatter and achieve superior surface finishes (often polish-less). These cutters are primarily used for finishing operations in the mold and die industry, most commonly in ball nose or corner radius styles for contouring, ensuring precision and maximizing tool life on materials up to the challenging 68 HRC range.
3, 21, BANDUKWALA BUILDING, CHIMNA BUTCHER STREET, MUMBAI, Mumbai, Maharashtra, 400003
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