High Velocity Series End Mills are specially engineered for extremely high speed and feeds. They are made from premium nanograin carbide and have specially ground cutting edges for applications in hardened steels. They are coated with an especially hard and heat resistant coating extended life. They have a 40° helix, right hand cut, centre cutting.
Shank Tolerance: -.0001/-.0004
Cut Dia Tol, straight neck: -.0005/.0010
Cut Dia Tol, tapered neck: +.0000/-.0004