High-performance ceramic, Cerazur.

Ground

Form A locating pins are used to position workpieces and fixture parts in reamed holes.
The flattened Form C can be used to bridge tolerances in hole spacing or to secure the part to be positioned in one direction only. The Form A locating pins can also be used as limit stops or fixture feet.

Cerazur is extremely impact and bend resistant. The basis of this material is zirconium oxide. It is a composite metal-ceramic material.

Form A and B: cylindrical locating pin
Form C and D: flattened locating pin