Fowler 52-225-006-1 Premium Depth Micrometers

  Fowler 52-225-006-1 Premium Depth Micrometer, 0-4" Measuring Range, 0.001" Resolution, 0.0003" Accuracy Measurement range for series of 0 up to 4", and resolution of 0.001" Vernier scale of microfine graduations on satin chrome finish for precise measurements Includes interchangeable measuring rods, (1 inch long and 0.176 inch diameter), that are fitted to the micrometer spindle and locked for stability Ratchet thimble and locking clamp for uniform pressure and accuracy Base, rods, and threads are hardened, ground, and lapped for durability and accurac Clear microfine graduations on satin chrome finish Base constructed of hardened tool steel is precision ground and microlapped. All other surfaces are satin chrome finished. Quick and easy zero adjustment Rods hardened, ground and lapped on measuring surfaces and adjustable in either direction Interchangeable rods are fitted to the micrometer spindle against a positive stop and locked Ratchet thimble Threads hardened, ground and lapped for accuracy Price includes spanner wrench and fitted case  Range :b 0 - 4" Graduation : 0.001" Accuracy : 0.0002" Base Size : 2.5"