All American Precision Adaptor Tips and Lock Liner Bushings are designed for fiberglass and plastic tooling requiring the use of automatic feed drill motors. The adaptor tip fits all standard automatic feed drill motors such as Keller, Aro, Buckey and Quackenbush, etc. A close tolerance is maintained when drilling rivet holes in stainless steel, titanium, nickel and other hard metals.
Technical Information ••• Ordering Information
Air Feed Adaptor Tips- Type AT


| P/N |
A |
B |
C |
D |
LEFT HAND THREAD |
| AT-1 |
.191 / .205 |
.3437 |
2-7/16 |
1-9/16 |
3/4-16 |
| AT-2 |
.191 / .285 |
.4375 |
2-7/16 |
1-9/16 |
3/4-16 |
| AT-3 |
.281 / .431 |
.5625 |
2-7/16 |
1-9/16 |
3/4-16 |
| AT-4 |
.281 / .625 |
.7500 |
2-7/16 |
1-9/16 |
1-14 |