SPI Carbide Ball Contact Points, 1/4 Length, A.G.D. #4-48 Thread – 30-642-3

Ball Diameter Tolerances.0001″

0.04687″ (3/64)

UN Series Threads Per Inch

16 – 8

ACME Threads Per Inch

Metric Threads Pitch (mm)

1.75 – 3

SPI Optional Carbide Ball Contact Points, 1/4″ Length, A.G.D. #4-48 Thread – 30-642-3

Price is per pair.

for SPI IPD Gage + Software – A Complete Internal Pitch Diameter Measuring System