Superbore anvils are made from Zirconia ceramic - an "advanced" ceramic which offers high strength, low coefficient of friction, better wear resistance than carbide, excellent abrasion resistance (1.5 x carbide), better corrosion resistance than carbide, coefficient expansion similar to steel, and it's non-magnetic.

The Bowers Gauge Head threads onto the transducer/handle. Optional extensions in sizes 2 1/2" - 6" increase the measuring depth. The extensions can be connected to each other to further increase depth. Extensions can be used on heads above .236" diameter.

Highest Accuracy Heads
Self Centering Heads (2 or 3 Point)
Small Bore Measuring from 1-6mm
Minimal Operator Skill Required
Blind Bore from 14-300mm
Calibration Certificate Supplied
Robust Construction, Ok for Shop
Large Variety of Displays Available
Special Heads Quoted on Request

Range sizes: 0.040" - 12.126" (1-308mm).

For smaller sizes 0.040" -.236", a 2-point or "split cylinder" system is utilized.
A 3-point contact wedge system is used for larger sizes 0.236" - 12.126 (6-308mm).
The 3-point contact is designed for indicating lobing.
The 2-point design is for indicating out-of-roundness.