Retractable Carbide Bits

    • Used in offices and buildings where duct work is present
    • Diamond bit drills through the concrete, then extended to expose the carbide bit for drilling in thin duct work
    • Known as a 'walker-duct' bit
Retractable Carbide Bit
Description Cat #
2-1/4" x 2-1/2" Retractable carbide diamond bit (complete) 01673
Individual Optional Components
Description Cat #
2-1/4" carbide hole saw with threaded cap 00032
2-1/2" x 8" HOL threaded bit - specify thread when ordering 05252
Threaded bit adapter 01929
2-1/2" left/right threaded cap 01928
2-3/4" left/right threaded cap 01930