Carbide square end mills feature a flat bottom with sharp 90-degree corners, making them ideal for slotting, pocketing, facing, and general-purpose milling. Their solid carbide construction ensures high rigidity and dimensional accuracy, suitable for both roughing and finishing operations. These end mills are commonly used in steel, stainless steel, and cast iron machining. For B2B users, key considerations include diameter tolerance, flute count, cutting length, and coating type. Square end mills are often the most versatile and widely stocked tools in CNC machining operations.