1. Cutting diameter tolerances: 1/32" through 31/64": +. 0002", -
Cutting diameter tolerances:  1/32" through  31/64": ", ";  1/2" through  19/32": ", ";  5/8" through 1 1/2": ", ".

6. Fastener dimensions The head style and type.
The length required specified in inches, fractions of inches or millimeters.
The diameter - when measuring in inches for diameters less than 1/4" there is a gauge number, above that specify the diameter in fractions of an inch. For metric the diameter is specified in millimeters.
The thread pitch - distance between threads or threads per inch. UNC, UNF and Metric define standard values.
The material - brass, stainless steel, nylon etc.