Internal dial bore calipers with a 35mm to 55mm measuring range
The calipers offer internal measurement of bores with a reach of 80mm
The legs have raised contact points allowing grooves, seals or circlip depths etc to be measured
The legs of the internal calipers are sprung open and operated by the lever under the handle
Please note before using the calipers they need to be calibrated using either a setting ring, slip gauges or external mircometers
With the legs set between the known size turn the outside ring on the dial to match the size. The calipers are now calibrated to mesaure any size within its range
To measure the bore - pull the lever towards the handle and insert into the bore. Slowly release the lever and the bore measurement will be shown
High Quality Caliper - Constructed of hardened stainless steel, moulded handle and 55mm diameter dial indicator
Included with the calipers - Storage case and Instructions
Leg Reach - 80mm
Contact Point Length - 6 mm
Resolution - 0.01mm
Machine-DRO History - A division of The Allendale Group, a family run British company founded in 2003. Our roots are firmly based in the UK, with a head office, engineering and inspection department at our works in Hoddesdon, Hertfordshire. We pride ourselves on being a measuring tool specialists offering tools, services, advice and expertise to our end customers and international distributor network.
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