Description
Precision two-point dial bore gauge with spring-loaded centring disc. Lightweight, stable version with CRP elements, bore-reducing and increased corrosion protection. Hand heat insulation on the frame reduces temperature effects.

Application
For precise measuring of bores in terms of diameter, roundness and cylindricity, as well as measurements of internal profiles.

Product Specification
Measuring range: 150-300 mm
Repetition accuracy without dial gauge: 1 um
Measurement depth: 178 mm
Number of contact points: 11
Number of measuring discs: 3
Centring plate width: 85 mm

Supplied With
Precision bore gauge complete in a wooden case, without dial indicator.

Optional Extras
Precision dial comparator No. 434674.
Inductive precision dial comparator No. 434671.
Dial indicator with anticlockwise scale No. 434807 size 10.
Digital dial indicator No. 433422.
Setting rings No. 484030.
When using precision dial indicators, extension No. 434920 size 10 or contact point No. 434900 size 16 is required.