Drill sets sold in two different sizes and increase in increments of 1/64th of an inch; Sets come in 21 and 29 piece sets.
Drill Sets, CTD Drill Bits
CTD Drill Sets are made in the USA and designed, engineered and superbly crafted by Consolidated Toledo Drill to provide long lasting durability. The 21 piece set offers 1-/16″ to 3/8″ bits 64THS (MFG# 190-AG 44130) and the 29 piece set offers 1/16″ to 1/2″ by 64THS (MFG# 190-AG 44150). Type 190-AG Drill Sets. Sets increase by increments of 1/64 of an inch.








