Irwin 16-blade SAE thread pitch gauge. Hardened steel blades measure thread pitch on fasteners and threaded stock during identification work. Used by machinists, mechanics, and metalworkers...
Irwin Hanson steel fractional drill bit gauge. Numbered holes identify drill bit sizes during unmarked bit identification work. Used by machinists, mechanics, and metalworkers sorting and identifying...
Irwin Hanson #4 spiral flute screw extractor in carded packaging. Spiral flute extractor removes broken bolts and screws from threaded holes during mechanical disassembly work. Used by mechanics and...