A-A-50966 1984 Edition, March 30, 1984
CHUCKS, DRILL, AUTOMATIC, TAPER SHANK WITH TANG
Includes all amendments and changes through Cancellation Notice 2, October 18, 1999
Additional Comments: CNCL NO S/S
The General Services Administration has authorized the use of this commercial item description in preference to the Type III and Type IV chucks covered by Federal Specification GGG-C-350.
This description covers automatic chucks which are designed to hold drills or other straight shank tools in drill presses, boring mills, jig borers, milling machines, motor shafts and other applications. The design and construction shall be such that tools can be safely and speedily changed while the spindle is rotating.