Colquhoun
4 of a Kind
With a caliper, I’m getting readings of .40mm to .46mm for the recess depth, among 6 different samples.
Granted, this is with a 9" vernier caliper with a depth feature. To get a more accurate reading, you'd need a caliper more suited to minute depths.
Granted, this is with a 9" vernier caliper with a depth feature. To get a more accurate reading, you'd need a caliper more suited to minute depths.
Last edited: