The Niagara 1" x 4" HSS 5 Flute Roughing End Mill is a high-quality tool made in the United States. With a square end design and 1" mill diameter, this end mill is perfect for roughing applications in metalworking. The TiAlN coating ensures durability and longevity, while the 4" length of cut and 4" overall length provide versatility for various projects. Ideal for CNC machining and industrial use, this end mill is a reliable choice for professionals in need of precision and efficiency.