TQHR/L-TB : Grooving and turning with channels for high pressure coolant.
  Designationhbl1fl2h4inletGICATGIREMgiic
  TQHL 12-27-TB 12.0012.0120.0010.524.08.0UNF 5/166124728 0
  TQHR 12-27-TB 12.0012.0120.0010.524.08.0UNF 5/166124727 0
  TQHL 16-27-TB 16.0016.0120.0014.524.06.0UNF 5/166124730 0
  TQHR 16-27-TB 16.0016.0120.0014.524.06.0UNF 5/166124729 0
  TQHL 20-27-TB 20.0020.0120.0018.524.02.0G1/8 BSPP6124732 0
  TQHR 20-27-TB 20.0020.0120.0018.524.02.0G1/8 BSPP6124731 0
  TQHL 25-27-TB 25.0025.0135.0023.5--G1/8 BSPP6124735 0
  TQHR 25-27-TB 25.0025.0135.0023.5--G1/8 BSPP6124734 0