Profile: Barcor, Inc. specializes in producing angle & hole gages. Our gages feature type od for external chamfers, digital electronic with spc, micrometer head, nist traceable masters and gage stands. Our product includes chamfer gage, electronic chamfer gage, rivet gage and bevel gage. Our chamfer gage is a precision instrument designed specifically to measure the top diameter of a chamfer, countersink, center drill or tapered hole.