Thread Gauge Set - 4 Pc
- Designed to easily identify thread diameter and pitch sizes including metric, SAE, UNF, UNC and BSP styles
- Holes in gauges allow easy identification of component sizes
- 4 piece set suitable for use to identify bolts, fittings, pipe and spark plug sizes
- Manufactured from soft aluminium alloy.
- Metric: Thread size - 2.5– 22mm , thread pitch - 0.45–2.5mm
- USS (Small): Thread size - 1/4" – 3/8" , thread pitch - 16–44 TPI
- USS (Large): Thread size - 1/16"–1/2",10–18mm , thread pitch - 10–28 TPI,1.00, 1.25, 1.50 (mm),14, 18, 27 (TPI)