Machining > Threading > Taps > Metric - Hand Taps | Bordo Metric Fine Bottoming Chrome Alloy Hand Tap | Bordo Metric Fine Bottoming Chrome Alloy Hand Tap | Chrome Alloy Metric Fine Bottoming Hand Tap. | Used as thread chasers to clean an existing thread. | They can also be used to create a new female thread in non-ferrous metals and plastics. | Chrome alloy taps are not suitable for creating precision, safety or critical threads. | Metric Fine angle of thread is 60 degrees. | The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. | Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. | The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres). | Bottoming Taps have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole. | Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap. | About Bottoming Taps | Bottoming Taps have a lead of two threads and are used to ensure minimum thread run-out when tapping to the bottom of a blind hole. | Bottoming Taps are typically preceded by the use of a Taper or Intermediate Tap. | About Metric Coarse & Fine | Angle of thread is 60. | The crest is flat and the thread has clearance at the root allowing external thread and internal thread to engage well. | Larger root radius and lower thread height enable easy screw thread processing and increase thread screw strength. | The major diameter of external thread and pitch are specified by a simple numerical value (most commonly measured in millimetres).