3 Hexagon socket head male connector KQ2S P.7 Male connector KQ2H P.5 Universal male elbow KQ2V P.12 45° male elbow KQ2K P.11 Extended male elbow KQ2W P.18 Bulkhead union KQ2E P.28 Bulkhead connector KQ2E P.28 Nipple KQ2N P.30 Reducer nipple KQ2N P.30 Male elbow P.8 P.19 P.9 P.20 P.9 KQ2L Male branch tee KQ2T Female connector KQ2F P.6 Union elbow KQ2L P.9 Union tee KQ2T Straight union KQ2H P.5 Plug-in elbow KQ2L Different diameter straight KQ2H P.6 Reducer elbow KQ2L P.21 Cross KQ2TW P.21 Different diameter cross KQ2TX Internal hexagon socket allows tightening with a hexagon wrench in confined spaces. Hexagon head of the body allows tightening with a box wrench in confined spaces. Basically, it is used together with male elbow. Different point is that it is used for fittings to avoid interfering with each other by making the piping multi-level. Use to connect male thread and tubing through a panel, etc. Use to connect Onetouch fittings of different sizes. Use to pipe a female thread at a 45° angle. The model between the male connector and male elbow. Use to connect tubing through a panel, etc. Use to connect One-touch fittings. Use to pipe a female thread. Most general model. Use to pipe a female thread at right angles. Most general model. Use to branch a female thread at both 90° angles. Use to branch tubing at both 90° angles. Use to connect tubing at right angles. Use to change the tube direction from One-touch fittings by 90°. Use to change the tube direction from One-touch fittings by 90° and to reduce size. Use to branch tubing with size reduced at both 90° angles. Use to pipe a male thread of a pressure gauge, etc. Use to connect tubing in the same direction. Use to connect tubing of different sizes. Use to four-branch line. Variations Metric Size One-touch Fittings Universal female elbow KQ2VF P.13 Branch universal female elbow KQ2ZF P.15 Use to branch a male or female thread at a 90° angle. Multiple connections possible. Use to two-branch a male or female thread at a 90° angle. Multiple connections possible.