This product is a 15-piece threaded drill bushing set designed for use in aircraft maintenance and repair. The set includes various sizes of bushings to accommodate different drill bit sizes. The bushings are threaded for easy installation and removal and are made of durable materials to withstand heavy use. This tool is essential for precision drilling in aviation applications and can also be used in other industrial settings.

You get 5 cups

Sizes:

190

#11

13/64”

3/16”

5/16”

3/16”

#20

1/4”

#30

13/64”

.247