Mahr Federal 844N Self Centering Bore Gage Features
• Measuring the diameter, roundness and conical form of a bore as well as the distances of plane-parallel surfaces
• Measuring head consists of a carbide-tipped moving anvil and an interchangeable stationary anvil which has a
hardened steel ball; alternatively a carbide ball is available
• Transmission lever system transfers movement of the movable anvil to indicating instrument
• The broad centering bridge ensures automatic centering in the bore
• Insensitive to temperature due to both the shank and transfer rod being made from heat resistant Invar steel
Standard accessories: wooden case
Available Options
| measuring-range | Product Number |
|---|---|
| 0.70“-1.96“ | 4474000 |
| 1.37“-3.93“ | 4474001 |
| 3.93“-9.84“ | 4474002 |