Brunner & Lay products are designed to deliver high production footage at the lowest possible cost. Products are precision machined from high quality steel, then heat treated to insure strength and durability. The extensive Brunner & Lay line includes – Striking Bars, Couplings, Carburized Drill Steel, Hi-Frequency Hardened Drill Steel, and Rok-Bits™, available with standard, conical, ballistic, or parabolic inserts.
