Trapezoidal Tap, Metric Trapezoidal Thread Tap

BSPP (G) Thread Taps, BSPP Taps, BSPP Pipe Taps

NPT Thread Taps, NPT Taps, NPT Taper Pipe Taps

ACME Tap, ACME Thread Tap, Stub ACME Tap

UN tap, Unified thread tap, HSS UN bottom lead tap