Precision NPT Thread Ring Gauges - Full Pipe Thread Inspection Range (1/16" to 2-1/2")

Certify external tapered pipe threads to ANSI/ASME B1.20.1 standards for leak-proof sealing in hydraulic, pneumatic, and oil/gas systems.

Available Sizes: ✓ Standard NPT Series: 1/16-27 | 1/8-27 | 1/4-18 | 3/8-18 | 1/2-14 3/4-14 | 1-inch | 1-1/4 | 1-1/2 | 2-inch | 2-1/2

Key Features: • Compliance: Manufactured to ANSI/ASME B1.20.1 taper specifications • Material: Hardened tool steel with corrosion-resistant finish • Marking: Laser-etched NPT size & "GO"/"NOGO" • Application: Ideal for valves, fittings, and pressure vessels

ALL SIZES IN STOCK!