Measuring external and internal threads  [videorecording]/ 
Coastal 
 - Virginia Beach, Va.:  Coastal Training Technologies Corp. 
 - 1 videocassette (15:42min.):  sd.,col.;  1 cm 
 - Intermediate Engine Lathe  4 of 14 .
<br/><br/> When interchangeability is important, threads must be measured agaist the tolerances of a standardized system such as the Unified. This video program will show how to measure internal and external Unified screw threads. 
<br/><br/><label>ISBN: </label>MED0002063(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machine part industry<br/>Machine Technology