Mahr Federal 4487612 844A Self-Centering Bore Gage 2.75-3.35"/70-85mm

The Mahr Federal 844A Self-Centering Bore Gage Model 4487612 is ideal for measuring through holes, blind holes and centering shoulders. The self-centering measuring head consists of 3 laterally positioned anvils, each are offset at intervals of 120 degrees. This basic measuring instrument consists of a bore gage 844 Ag and a measuring head 844 Ak. This model has a measuring range of 2.75-3.35" / 70-85mm. INDICATOR SOLD SEPARATELY.