McMaster 5787K38 Push to Connect Tube Fitting for Air and Water, Elbow, for 4 mm Tube OD × 1 8 Male Universal Thread G2753283 The Proto J07656 Impact Socket The Proto J07656 Impact Socket Adapter is a must have for any tool collection Tap Material High Speed Steel Tap Chamfer Taper Number of Flutes 4 Tap Thread Type UNC Tap Style Straight Flute (Hand) Number of Pieces 1 Thread Direction Right Hand List Number 101 Tap Finish Bright Tap Grouping Tap Standards ANSI Cutting Direction Machining Right Hand Series 101 Measurement System Fractional Inch Thread Limit H4 Shank Type Machining Straight Secondary Material Application Aluminum and an internal gripping ring and O ring hold the tubing tight Buna N Rubber Color Black Clarity Opaque Release Type Ring Release Ring Material Plastic Release Ring Color Black Maximum Pressure 140 psi @ 72° F Maximum Vacuum 29 in