Thread Tools

• 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??.5mm
• USS (Small): Thread size - 1/4????3/8??, thread pitch - 16??4 TPI
• USS (Large): Thread size - 1/16??€?/2??10??8mm , thread pitch - 10??8 TPI,1.00, 1.25, 1.50 (mm),14, 18, 27 (TPI)