NPT Ring Gauges

NPT Ring Gauges – Go/No-Go – Hardened Tool Steel

Precision ring gauges designed for inspecting external NPT (National Pipe Taper) threads. These gauges ensure tapered threads conform to size and pitch requirements during manufacturing or inspection. Supplied as Go/No-Go pairs and made from hardened tool steel for durability and accurate gauging over time.

• Type: NPT Ring Gauge (Go/No-Go)
• Thread Standard: NPT (National Pipe Taper)
• Material: Hardened Tool Steel
• Tolerance: Tapered thread form to relevant standard
• Supplied with or without calibration certificate

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