Dormer Pramet C407 12.0mm HSS-E-Powder Metal Primax Flatted Shank Multi-Flute Roughing (NRA) Standard Length End Mill DIN 844 KThe Dormer Pramet C407 12. 0 mm HSS E powder metallurgical Primax roughing end mill is a high performance cutting tool crafted for demanding shoulder, slot milling and ramping tasks in steel and stainless steels. With its NRA asymmetrical coarse pitch and four flutes, it delivers efficient material removal with consistent chip formation. Diameter: 12. 0 mm Length of Cut: 26 mm Total Length: 83 mm Reach (with neck relief): 37. 5 mm Shank: Weldon, 12 mm