The Mahr Micromar 844 A (4487612) provides rapid bore measurement with its pistol-grip design and self-centering 3-point contact head. Range of 70-85mm/2.75-3.35" with 4μm error limit. Lever retraction enables fast insertion and automatic centering. Three anvils offset at 120° intervals ensure accurate diameter readings. Lightweight aluminum measuring head reduces operator fatigue. For through holes, blind holes, and centering shoulders. Indicator sold separately. Includes 844 Ag basic unit, 44 Ak head, and case.
Features:- Threaded connection for changing the measuring head
- Measuring anvils from 12 mm are carbide tipped
- From 12 mm measuring anvils for measurements up to the bottom of the bore
- From 40 mm measuring head housing made of anodized aluminium
- Always easy-to-read measuring value display using electronic dial indicator and rotatable display
