Extension Shanks
Stock Number
Dia.
O.A. Lgth.
Use
72006004
1/4”
6”
follows 5/8” and larger drills.
72012000
12”
follows 5/8” and larger drills
72018000
1/2”
18”
to fit 7/16” hex or 1/2” rd. shank follows 1-1/16” and larger drills
72018005
23/64
to fit 5/16” hex shank follows 11/16” and larger drills.
