Pneumatic plug gauge 4 - 230 mm

Air Plug-gauge consists of a cylindrical hardened steel body, Hardchrome plated and precisely ground to provide the guide needed for the air jets positioning inside the bore. The nozzles through which the air is guided are recessed below the body diameter of the plug. This has a two fold function, one to protect the jets from damage by direct contact and secondly make the air gauge measurement essentially non-contact. The flow of air also has a self-cleaning effect on the gauging surface. The hard chrome provides excellent wear resistant property. Features of Air Plug Gauge Available from 4mm to 230 mm. Through or blind design to suit the bore. Two jets for size, taper and ovality; four jets for checking average diameter and lobe effect. Special air plugs for deeper bores, stepped bores etc can also be gauged.