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

Long emulsion life

Somta 13mm Cobalt Std Slot Drill For general milling or slots and cavities

75 x 70 Metric Coarse 10 Pieces Zinc Plated Hex Bolts & Nuts

1/2 x 1 x 5 Pieces Serrated Hex Flange Bolts & Nuts Zinc Plated

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