HSS Square End Mills

Looking for dependable cutting tools that offer both precision and value? Our HSS square-end mills are built for slotting, profiling, and general-purpose machining in a wide range of materials, including steel, wood, and soft metals. The flat-end geometry is perfect for creating clean 90° corners, making these tools ideal for shaping parts, pockets, and shoulders with consistent accuracy.

We offer a variety of USA-made 2-flute and 4-flute square end mills crafted from high-speed steel (HSS) to provide excellent toughness and shock resistance. Whether you're running light-duty cuts or finishing operations, these cutters offer smooth performance and long-lasting durability. Even better, they are regrindable, extending tool life and reducing replacement costs over time-making them a smart investment for everyday use.

Trusted by CNC shops, manual machinists, and fabrication pros, our HSS square-end mills are designed for machinists who value performance without breaking the bank. With a range of sizes in stock and fast shipping available, ProcureStack ensures you get the right tool, right when you need it. Shop now and discover precision-engineered cutters built to handle your daily milling needs with ease.