Insize Hub Micrometer, 3-4"

Graduation .0001".Measure hub thickness and shoulder inside a bore. Ratchet stop. Carbide measuring faces. Supplied with setting standards (except 0-1").

Graduation: .0001". Measure the groove diameter of shafts and keyways. Non-rotating spindle.Ratchet stop. Supplied with setting standards (except 0-1").

Graduation .0001". Measures root tangent length of gear.Ratchet stop. Supplied with setting standards (except with 0-1"). Spindle lock.

Micrometer head graduation .0001". Micrometer head accuracy .00020". Micrometer head accuracy .00020". Carbide measuring faces. Optional accessory: gage blocks grade 0(4112-A series), for zero setting

Graduation .001"Ratchet stop. Carbide measuring faces. Optional accessary: setting ring (part no. 6313), micrometer stand and clamp (part no. 6301 and 6301-1).