superior quality, long life, accuracy ,wearable, and perfect cutting perfomance. 1.superior quality, long life, accuracy ,wearable, and perfect cutting perfomance.2.With chamfer or not.3.parallel body or with taper.4.With flank relief angle.5.Can be TiN,TiCN,TiALN,etc. coated or not.6.The material M2,M35,M42,ASP30,etc.are available. Key way broach