Bore Gauges (162 items)

A steel calibration artefact for quick and accurate setting of dial bore gauges, holtest gauges and inside micrometres. The actual calibration value for the diameter is marked on each ring.

A steel calibration artefact for quick and accurate setting of dial bore gauges, holtest gauges and inside micrometres. The actual calibration value for the diameter is marked on each ring.

A steel calibration artefact for quick and accurate setting of dial bore gauges, holtest gauges and inside micrometres. The actual calibration value for the diameter is marked on each ring.

A steel calibration artefact for quick and accurate setting of dial bore gauges, holtest gauges and inside micrometres. The actual calibration value for the diameter is marked on each ring.

A steel calibration artefact for quick and accurate setting of dial bore gauges, holtest gauges and inside micrometres. The actual calibration value for the diameter is marked on each ring.

A steel calibration artefact for quick and accurate setting of dial bore gauges, holtest gauges and inside micrometres. The actual calibration value for the diameter is marked on each ring.

Adaptor for sizes up to 20.32mm.

Adaptor for sizes up to 50.8mm.

Adaptor for sizes up to 101.6mm.

These Holtests are versatile, self-centering three-point internal micrometres for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, con...

Internal micrometre contact points are made from hardened alloyed steel. Clear graduations on satin chrome finish. Supplied with extension rod and Ring Gauges.

Internal micrometre contact points are made from hardened alloyed steel. Clear graduations on satin chrome finish. Supplied with extension rod and Ring Gauges.

Internal micrometre contact points are made from hardened alloyed steel. Clear graduations on satin chrome finish. Supplied with extension rod and Ring Gauges.

Internal micrometre contact points are made from hardened alloyed steel. Clear graduations on satin chrome finish. Supplied with extension rod and Ring Gauges.

The Digimatic holtest digital internal micrometre interchangeable head set includes one display unit and four different-sized measuring heads.. All of the holtest units feature self-centering Titan...