locating pins can be used to locate a workpiece on a fixture, or to align two pieces of a fixture. One round fixture locating pin and one diamond pin are often used together to locate two holes without binding, because the diamond pin is relieved to locate in only 1 axis. CarrLane produces a large assortment of locating pins, including round & diamond press-fit and lock screw type locating pins, floating locating pins, bullet-nose dowels, bullet-nose pins and cone locating pins.