The Dormer S521 end mill is a high-precision tool designed for demanding milling applications in hardened materials. With a nominal diameter of 16 mm and a corner radius of 1 mm, this cutter offers an optimal combination of stability and flexibility. The overall length of 90 mm and an effective working length of 43 mm allow for versatile use in various milling techniques, including plunge milling and ramp milling. The TiSiN coating enhances wear resistance and extends the tool's lifespan. With four cutting edges and a helix angle of 45°, this end mill is ideal for precise and efficient machining.

• TiSiN coating for increased wear resistance
• Suitable for various milling techniques such as plunge milling and helical milling
• Shaft tolerance of h6 for precise fit
• Helix angle of 45° for optimized chip removal
• Extra short radius cutter with 4 cutting edges for improved stability.