I need someone to check my math

I’m installing a new router on my sled. It has a 3/8 X 16 thread depth adjustment. I crunched the numbers and came up with a pitch of 2.46mm. did I get it right?

Use the Z menu in GC to confirm that 1 revolution is 2.46. I scratched a thin line on the coupler and used a laser pointer. Never calculated it.

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I would move the axis a larger distance and count the revolutions. Then measure the actual distance travelled and divide by the number of revolutions. This will minimize the effect of measurement errors.

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