Drill Block Refill

Pan American Drills - Refill kit for drill block. Consists of:

Cobalt Aircraft Drills - Made to NAS 907 Type J with a 135° split point in the following sizes:
1/4, #8, #10, #16, #20, #27, #30, #40

Cobalt Threaded Shank Adapter Drill - NAS 965 Type D - Stubby
1/4, #8, #10, #16, #20, #27, #30, #40

Cobalt Threaded Shank Adapter Drill - NAS 965 Type D - Short
1/4, #8, #10, #16, #20, #27, #30, #40