Mahr 4474003 844 N Self-Centering Dial Bore Gage

Includes

• Holder
• Measuring head
• Stationary anvil
• Wooden case

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
• Highly resistant to wear and tear due to the carbide tipped moving anvil
• Constant measuring force due to built-in spring thus eliminating user influence
• Universally applicable and extremely versatile as every instrument spans a broad measuring range, within this range it is quick and easy to adjust to any size
• Measuring range 250 - 400mm (10 - 16")
• Measuring depth 500mm/20"
• Measuring head, holder, extensions, right-angle attachments and depth stops are all part of this extensive modular system
• Excludes indicating instrument