Small Air Plug Gauges

'S' type Air Plug Gauges are available in the size range:

3.10 - 6.30mm (0.12 - 0.25in)

They are connected directly to the gauge via the bayonet connector.

To suit the application, connection to the gauge may also be made with the Universal Adaptor Handle or 90º Adaptor.


To gauge hole depths  in excess of 30.0mm (1.18in), extensions may be fitted to increase dimension 'A' by the following amounts:

25mm (1.0in)
50mm (2.0in)
75mm (3.0in)

Small Air Plug Gauge

'S' type APG


When asking for a quotation or placing an order, it is important to specify your requirements according to the information provided in 'How to Order'.