Best Pneumatics 6 o1 8 " o5 3 2 " o1 4 " o5 1 6 " o 3 8 " o1 2 " Fittings Applicable tubing material Applicable tubing O.D. (mm) o3.2 o4 o6 o8 o10 o12 o16 M5 Unions 1 8 1 4 3 8 1 2 Applicable tubing O.D. (mm) o4 o6 o8 o10 o12 o16 1 8 1 4 3 8 1 2 Applicable tubing O.D. (inch) 10-32 UNF 1 8 1 4 3 8 1 2 FEP PFA Nylon Soft nylon Polyurethane Polyolefin FEP PFA Nylon Soft nylon Polyurethane Polyolefin FEP PFA Nylon Soft nylon Polyurethane Polyolefin Unions Series Variations 118 10-32 UNF 1 4 3 8 1 8 o1 8 " o5 3 2 " o3 1 6 " o1 4 " o5 1 6 " o3 8 " o 1 2 " Applicable tubing O.D. (inch) Applicable tubing O.D. (mm) o2 o3.2 o4 o6 o8 o10 o12 o16 o8 121 o10 o12 1 4 3 8 FEP PFA Nylon Soft nylon Polyurethane FEP PFA Nylon Soft nylon Polyurethane Applicable tubing O.D. (mm) o2 o3.2 o4 o6 o8 o10 o12 o16 114 M5 M6 1 8 1 4 3 8 1 2 FEP PFA Nylon Soft nylon Polyurethane 109 103 93 General Purpose Fittings Series Applicable tubing.Metric size M, R, Rc thread connection Metal One-touch Fittings Series KQB2 Body material: Brass (nickel plated), Stainless steel 316 Release button: Stainless steel 304 Applicable tubing.Inch size UNF, NPT thread connection Metal One-touch Fittings Series KQB2 Body material: Brass (nickel plated), Stainless steel 316 Release button: Stainless steel 304 Metal One-touch Fittings Series KQB2 Body material: Brass (nickel plated), Stainless steel 316 Release button: Stainless steel 304 Applicable tubing.Metric size G thread connection Page Electroless nickel plated With seal Rotary One-touch Fittings Series KS (Standard) Series KX (High speed) Applicable tubing.Metric size Low-torque rotation style Rotary One-touch Fittings Series KS (Standard) Applicable tubing.Inch size UNF, NPT thread connection Low-torque rotation style One-touch Fittings Manifold Series KM Applicable tubing.Metric size One-touch connection and release Compact manifold piping possible 3 KQ2 KQB2 KS KX KM KF M H/DL L/LL KC KK KK130 DM KDM KB KR KA KQG2 KG KFG2 MS KKA KP LQ MQR T