Drill Steel, Rock Bits & Whirley Bits
Whirley Bits, also known as concrete doweling drill bits, are used mainly in highway expansion construction. These bits include Whirley Bits, DKR-32 Bits, UT-7 bits, and CP bits (CP-9A, MRD-9, 6LHD).
Drill Steel, paired with a Rock Bit, is often used to drill holes larger than 1-1/2" and is available in lengths up to 120". Champion Chisel offers H-Thread, 11 Degree Taper, Rope & D-Thread steel & bits.