Fowler 52-243-026-1 Inside Micrometer Set, 2-6" Range .001" Graduation

ITEM DESCRIPTION Range: 2-6" Graduation: .001" Accuracy: .00005″ x (3 + L″/2) Each set consists of an inside micrometer head and a series of fully hardened and lapped extension rods of different lengths all with carbide measuring faces Anvil and spindle are hardened and precision ground with micro-lap finish on ends Spindle thread hardened, ground & lapped Microfine graduations on satin chrome Positive locking nut on spindle It is recommended that the inside micrometer with a rod be calibrated by a micrometer or ring gage Coiled spring pressure contact type rods are each marked with appropriate length Quick, easy zero adjustment on the sleeve Meets or exceeds Federal accuracy specs. Reference standard included with set With wrench and a case