List: $17.90
(0) 4 PIECE UNIVERSAL THREAD GAUGE
432

Aluminum set identifies common belts, fittings, pipe threads, and spark plugs with USS or metric threads. Includes Drill / Tap chart. Identifies the following thread sizes:. USS sizes from #5 to 3/4" and thread pitch of 10" threads per inch (TPI) to 44 TPI. Metric sizes from 2.5mm to 22mm and pitch of .45mm to 2.5mm. Spark plug thread sizes 10mm to 18mm. View Details