SPI Carbide Ball Contact Points, 1/4 Length, A.G.D. #4-48 Thread – 30-649-8

Ball Diameter Tolerances.0001″

0.250″ (1/4)

UN Series Threads Per Inch

3 – 1.5

ACME Threads Per Inch

2

Metric Threads Pitch (mm)

8 – 17

SPI Optional Carbide Ball Contact Points, 1/4″ Length, A.G.D. #4-48 Thread – 30-649-8

Price is per pair.

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