P.I. 28-200mm Diameter Tape Tool Tightening Fixtures Long emulsion life

Long emulsion life

Can be locked in required position

SODH System

most useful for chamfering and countersinking

- Return and lock spring

P.I. 28-200mm Diameter Tape Tool Tightening Fixtures Long emulsion lifeThe P. I. diameter tape, or periphery tape as it is sometimes called, is used for measuring external or internal diameters large of small with accuracy; eliminating numerous micrometer or caliper readings and then finding the average of these by adding and dividing. Only one reading is necessary for both round and out of round diameters. The large vernier reading is easily read to . 001" or . 01mm and each tape is checked on masters with certified