STS STH65 10.0xD10x25x75
STS STH65 10.0xD10x25x75 is a 65 HRC solid carbide end mill for CNC machining of hardened steel, D2, and tool steel. With a 10 mm diameter and 25 mm flute length, it delivers stable cutting, good surface finish, and reliable tool life. Ideal for die & mould, automotive, and precision engineering, it ensures consistent performance in high-hardness milling applications.
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Description
STS STH65 10.0xD10x25x75 is a precision solid carbide end mill engineered for CNC machining of hardened materials up to 65 HRC. Designed for stability and repeatable results, this end mill is ideal for die & mould machining, automotive components, aerospace tooling, and precision engineering applications where accuracy, surface quality, and predictable tool life are essential. With a 10 mm cutting diameter, 25 mm flute length, and 75 mm overall length, it delivers the right balance of rigidity and reach for semi-finishing and finishing operations in hardened steels.
Manufactured from premium micro-grain carbide rod, the STS STH65 series provides strong edge integrity, wear resistance, and thermal stability, enabling reliable performance during high-speed CNC milling. The tool performs consistently on D2 tool steel, hardened P20, alloy steels, and other 55–65 HRC materials commonly used in mould and die manufacturing. Its optimized cutting geometry helps reduce vibration and cutting load, maintaining tight tolerances and smooth surface finish even in demanding conditions.
The D10 shank ensures secure clamping with low run-out, improving machining stability and reducing chatter. Efficient flute design supports smooth chip evacuation, minimizing heat buildup and edge chipping during continuous machining. This makes the end mill suitable for profile milling, pocketing, slotting, and contour machining on CNC vertical machining centers and high-speed milling machines.
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The STS STH65 10.0xD10x25x75 is an excellent option for CNC shops seeking a dependable and cost-effective hardened steel end mill. It is well suited for regular production work, mould components, and precision parts, where consistent cutting behavior, controlled wear, and reliable results contribute directly to productivity and quality.
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