STS UEH 12.0xD12x30x75
STS UEH 12.0xD12x30x75 is a 65 HRC solid carbide end mill for CNC machining of hardened steel, D2, and tool steel. With a 12 mm diameter and 30 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 UEH 12.0xD12x30x75 is a high-precision solid carbide end mill engineered for CNC machining of hardened materials up to 65 HRC. Designed to deliver stable cutting performance, excellent surface finish, and predictable tool life, this end mill is widely used in die & mould machining, automotive components, aerospace tooling, and precision engineering applications. With a 12 mm cutting diameter, 30 mm flute length, and 75 mm overall length, it offers an optimal balance of rigidity and reach for semi-finishing and finishing operations in hardened steels.
Manufactured from premium micro-grain carbide rod, the STS UEH series provides superior edge toughness, wear resistance, and thermal stability, ensuring reliable performance during high-speed CNC milling. The tool performs efficiently on D2 tool steel, hardened P20, alloy steels, and other materials in the 55–65 HRC range commonly used in mould and die manufacturing. Its optimized cutting geometry helps reduce vibration and cutting forces, allowing machinists to maintain tight tolerances and smooth surface quality even in demanding machining conditions.
The D12 shank ensures secure clamping with low run-out, improving machining stability and minimizing chatter. The flute design supports efficient chip evacuation, reducing heat buildup and the risk of edge chipping during continuous cutting cycles. This makes the tool suitable for various CNC operations such as profile milling, pocket milling, slotting, and contour machining on vertical machining centers and high-speed milling machines.
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The STS UEH 12.0xD12x30x75 is a dependable choice for CNC workshops seeking a cost-effective yet reliable hardened steel end mill. It is particularly suitable for regular production work, mould components, and precision parts, where consistent cutting behavior, controlled wear, and predictable results are essential for productivity and quality.
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