STS STH65 6.0xD6x15x50
STS STH65 6.0xD6x15x50 is a 65 HRC solid carbide end mill for CNC machining of hardened steel, D2, and tool steel. With a 6 mm diameter and 15 mm flute length, it offers stable cutting, good surface finish, and reliable tool life. Ideal for die & mould, automotive, and precision engineering applications, it ensures consistent performance in high-hardness milling operations.
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Description
STS STH65 6.0xD6x15x50 is a precision solid carbide end mill engineered for CNC machining of hardened materials up to 65 HRC. Designed for stability and accuracy in compact tooling, this end mill is ideal for die & mould machining, automotive components, aerospace tooling, and precision engineering applications where small feature machining and fine surface finish are critical. With a 6 mm cutting diameter, 15 mm flute length, and 50 mm overall length, it offers excellent rigidity and control for semi-finishing and finishing operations in hardened steels.
Manufactured from premium micro-grain carbide rod, the STS STH65 series provides strong edge toughness, wear resistance, and thermal stability, enabling dependable performance during high-speed CNC milling. This tool is well suited for machining D2 tool steel, hardened P20, alloy steels, and other materials within the 55–65 HRC range commonly used in mould and die manufacturing. The optimized cutting geometry reduces vibration and cutting forces, helping maintain tight tolerances and a smooth surface finish even in demanding machining conditions.
The D6 shank ensures secure clamping with low run-out, improving machining stability and reducing chatter—especially important in small-diameter tools. Efficient flute design supports smooth chip evacuation, limiting heat buildup and minimizing the risk of edge chipping during continuous cutting cycles. This makes the end mill suitable for a wide range of CNC operations including profile milling, pocketing, slotting, and contour machining on vertical machining centers and high-speed milling machines.
This product aligns with commonly searched terms such as 65 HRC carbide end mill, carbide end mill tools, CNC cutting tools manufacturers, high performance end mills, precision carbide tools India, die and mould machining tools, best carbide end mill for D2 steel, and CNC tools supplier in India, helping improve WordPress SEO performance and online visibility for industrial buyers.
The STS STH65 6.0xD6x15x50 is a dependable choice for CNC workshops seeking a compact, cost-effective, and reliable hardened steel end mill. It is particularly suitable for small mould components, detailed features, and precision parts, where consistent cutting behavior, controlled wear, and predictable results are essential for productivity and quality.
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