1.Part NO.30342208-11 2.Bit Diameter: 34mm-43mm 3.Length of drill rod: 610mm-3660mm 4.Button bit design: Flat face/standard skirt 5.Tungsten carbide (Buttons): Spherical, Ballistic and Conical. 6.Applications: small hole drilling 7.We have different designs for various rock formations, longer service life to decrease use costs for users.
