Description
Quickly and accurately measures pitch diameters of external threads-a must-have when cutting or checking threads on precision screws. Accurate to within +/- .0001″ along the center 1″ section. Measures the following pitch sizes: 3 to 48 tpi, .5mm to 6mm pitch, and Acme 3 to 16 tpi. Includes plastic storage sleeve, conversion chart and instructions. Requires micrometer, not included. Mfg: Fisher Machine Shop, Inc. SPECS: Steel, 2 3/4″ (7cm) OAL. Contains 16 different wire sizes, (3) of each diameter: .018″ (.45mm), .024″ (.61mm); .029″ (.74mm), .032″ (.81mm), .040″ (1mm); .045″ (1.1mm), .055″ (1.4mm), .063″ (1.6mm), .072″ (1.8mm), .081″ (2.1mm), .092&
