AT-BK18-Blue:
Includes:
(4) "Blue" tungsten/carbide coupon retaining pilot bits and spare wire.
Best for PVC, Ductile/Cast Irons, and A.C. water mains. (underground)
*For Hard Steel Pipe, order one of the "Gold" bit kits*
Designed for: all 18" and longer drill rods and 13" Drill Rods with threads on the end. AT-BK13-Black:
Includes:
(4) "