1.Part No.3089ST5814D 2.Bit Diameter: 89mm 3.Button Bits:14 buttons 4.Button bit design: Drop center, Normal body. 5.Tungsten carbide (Buttons): Spherical, ballistic and conical. 6.Applications: Bench, production. We have different designs for various rock formations, and a longer service life to decrease use costs for users.
