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15 to 35mm Internal Dial Bore Calipers

Part Number
Out of stock
£50.69 £42.24
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Internal dial bore calipers with a 15mm to 35mm measuring range.

  • Internal dial bore calipers with a 15mm to 35mm measuring range
  • The calipers offer internal measurement of bores with a reach of 35mm
  • 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 micrometers
  • 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 measure 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 - 50mm

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.


Key Specifications

Contact Point Length - 4mm

Resolution - 0.01mm

More Information
TypeInternal Caliper
BrandMachine DRO
Display TypeDial
Measurement UnitsMillimetre
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