GDK4080 orifice drill kit size 40-80

Special order 7 to 10 Days

Orifice gauging drill kit contains 41 drill sizes from 40-80 and a tapered broach in a plastic case. 1/4" hex shank. Hand drilling is recommended. Conversion chart included. Individual bits also available.

Play our 2-minute video below to see how to drill an orifice.