South Bend 9A 9B 9C and 10K lathe gears (14.5 PA, 18DP)

Print the ones you need.
All gears are 3/8" thick and have 9/16" hole diameter and 1/8" keyway.
The diametral pitch is 18, and the pressure angle 14.5 degrees.
Designed in Fusion 360.

Why these sizes?
The collection includes several non standard sizes (e.g. 27T). I use them as stud gears on my South Bend 10K to cut metric threads. For this you will need a metric conversion gear (see below for an approximation you can print), and some calculations.

Approximation for the metric con