Please set the width across flats of the bolt or nut within the mouth opening. Please follow the proper torque recommended by the manufacturer when tightening.
Dimension l (mm)
Dimensions L (mm)
Dimensions T1 (mm)
Tighten and loosen wrench for mechanical fittings of gas, water supply, hot water supply, air conditioning piping, etc.
Nut Width Across Flat (mm)
Dimensions B (mm)
Water supply and hot water supply for the stainless steel flexible pipe fittings (hex): 20A for water supply polyethylene pipe metal fittings (six-octagonal): 13A, 20A, 25A water supply for the union nut (six-octagonal): 20A, 25A gas for flexible pipe fit