All American Products Co.

DRILL BUSHING TIP: Specify part number; add drill size as a parenthetical suffix to the part number. Drill size should be specified as a decimal size to four places. Example: A-22110 (.2500)
NOTE: There is an extra charge for all drill bushing tips specified to have smaller than the minimum drill size. Standard drill bushing tips are those with standard drill sizes (see inside back cover), and with sizes falling between the maximum and minimum sizes shown in A. An extra charge will be added for each special dimension (such as shank O.D./length) which may be specified.
SHANK ONLY: To order bushings without the threaded collars, the letter "A" is omitted. Example: 21310 (.1250)
*Prices for non-standard dimensions apply as described in preceding note.
COLLAR ONLY: Specify Collar part number shown directly below collar drawing. Example: 21000
DRILL BUSHING TIP/SHANK ONLY WITH SPECIAL DRILL GUIDE HOLE CLEARANCE: Specify part number, and add minimum and maximum drill guide hole size to four places as a parenthetical suffix to the part number. Example: A-21 (.1260-.1264)/23522 (.6201-.6207) Special sizes are supplied only at extra cost. Drill Guide Hole tolerances closer than standard are supplied on special quotation only.
ALL OTHER ITEMS: Specify part number.
ACCESSORIES: The accessories listed are designed to work with tips appearing in the same vertical column in which the accessory part numbers are shown.
SELECTION FOR JIG DESIGN REQUIREMENTS: There are five drill bushing tip thread sizes listed which match those of the standard nose pieces. In each of the five drill bushing tip dimensional drawings, dimension B is the shank outside diameter. This shank slips into the lock liner bushing.
Dimension "A" is the drill bit guide hole. This dimension is finished to ANSI drill bushing specifications.
Dimension "C" is the length of the shank extending from the collar to the end of shank.