Depth micrometer 440, 445 series

analog

The Starrett 440, 440M, 445, 445M Series Depth Micrometer features a combination ratchet and speeder, ring-type locknut, ratchet stop and locknut. 0-3” Range, 2 1/2” Base, 3 Rods, Lock Nut, Case. Features •The depths of holes, slots, shoulders and projections can be measured with these fine tools •2-1/2" (63.5mm) base and 1/8" (3.2mm) diameter measuring rods •Combination ratchet and speeder for uniform pressure and quicker adjustment •Ring-type knurled lock nut for quick and sure locking Specifications •Micrometer Type: Mechanical •Range (in): 0-3" •Graduations (in): .001" •Base Length (in): 2-1/2" •Lock Nut Type: Ring Type Knurled •Measuring Rods (qty): 3 •Rod Diameter (in): 1/8" •Thimble Type: Plain •Case Type: Padded Case •Accuracy (in): Mic head +/-.0001"; Rods +/-.0002"