TY - GEN ED - Coastal Training Technologies Corp. TI - Measuring external and internal threads SN - MED0002063(Local) CY - Virginia Beach, Va. PB - Coastal Training Technologies Corp. KW - Machine part industry KW - Machine Technology N1 - 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 ER -