Metric Tap Series 8888888888888 National Standard (ISO) Metric Tap 8888888888888 German Standard (DIN) Metric Tap 8888888888888 Japanese Standard (JIS) Metric Tap Unified Tap Series Pipe Thread Tap Series 8888888888888 National Standard Pipe Thread Tap 8888888888888 Pipe Thread Taps for Malleable or Ductile Iron 8888888888888 Pipe Thread Taps for Stainless Steel 8888888888888 Radiator Tap 8888888888888 Pipe Steel Tap Extruding Tap Series Thread Tap for Gas Cylinder Series Trapezoidal Thread Tap