Wheel Nut Chamfer Gauge

The ESCO Wheel Nut Chamfer Gauge (Model 60929) is a disc wheel tool kit that measures wear on inner and outer caps nuts. Provides a guide to visually detect excessive wear in .875R spherical chamfers of bolt holes in disc wheels Designed for use with stud piloted steel wheels which have .875 spherical bolt hole 3/8 in. to 1/2 in. disc thickness Use only with stud piloted steel wheels