System 1 Drill & Tap

The ALH System 1 drill and tap has been used for over 30 years world-wide. This drilling machine can be hand operated or supplied with an air ratchet. Air powered drilling and tapping provides a fast and effective solution.


  • ¾” to2½ (BSP or NPT threads)
  • 3″ to 48″ diameter pipes
  • 30 psi (2 bar) operating pressure

Drilling Machine

  • Heat treated aluminium castings for extra strength
  • Double bronze bushes for increased accuracy
  • Integral feed cap
  • Thrust bearing
  • Gate drill prevention system