The Mahr Micromar 844 A (4487711) provides 60-70mm/2.36-2.76" bore measurement with lightweight aluminum head and carbide-tipped anvils. 3μm error limit. Ergonomic pistol grip with lever retraction covers entire range for rapid inspection. Self-centering 3-point contact at 120° intervals ensures accurate diameter readings. 79mm measuring depth with extension capability. Constant measuring force eliminates operator influence. Compatible with MarCator 1086 R/Ri digital indicators. Indicator sold separately. Includes 844 Ag basic unit, 44 Ak measuring 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
