" GNL " 251 GENERAL TOOL

GNL 251

51-BLADES(4-84) SCREW PITCH GAUGES

The #251 Screw Pitch Gage, U.S. Sizes can gage V, American National and U.S. standard 60° threads.

FEATURES:

Notched for measuring inside threads of small holes and nuts, as well as external threads

Knurled thumb nuts lock case open or closed

SPECIFICATIONS:

Sizes covered: All pipe thread sizes from 4 to 84