- THREAD PLUG GAUGES
- M - Metric coarse
- M - Metric fine
- UNC - Unified
- UNF - Unified
- G - Whitworth Pipe Thread
- NPT - Tapered Pipe Thread
- THREAD RING GAUGES
- M - Metric coarse
- M - Metric fine
- UNC - Unified
- UNF - Unified
- G - Whitworth Pipe Thread
- NPT - Tapered Pipe Thread
- THREAD GAUGE SETS
- Thread Plug Gauge Sets
- Ring Gauge Sets
- STI THREAD PLUG GAUGES
- M - Metric coarse
- M - Metric fine
- UNC - Unified
- UNF - Unified
- UN - Constant Pitch