Thread Size: M6 x 20mm; Pitch: 1.0mm;Length: 20mm/0.79"
Drive Type: External Hex; Hex Width: 10mm / 0.39"
High Quality: Made of high quality 304 stainless steel, which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas.
Best Customer Service: If you have any problem with Hex Coupling Nut, Please contact us as soon as possible. We absolutely provide fast response and the best customer support.