<< >> 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 More Views Product Description 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 - specifiy thread when ordering 05252 Threaded bit adapter 01929 2-1/2" left/right threaded cap 01928 2-3/4" lef/right threaded cap 01930 Additional Information Part Number No Catalog Number No Diameter No Size No
