Hex coupling nut
Hex coupling nut also called extension nut, is one kind of hexagon shape inside-threaded long nut for joining two male threaded fasteners, mostly like threaded rods or pipes. S-metal offers hex coupling nut with material stainless steel 304,316 and steel types for your choice.
Standards: DIN 6334/ASME B 18.2.2.
Material:Carbon and alloy steel/Stainless steel SS 304,SS 316 etc.
Surface treatment: Eletroplated,phosphated or H.D.G.for steel.
Plain with passivation for stainless steel.
Tolerance: thread tolerance 6H.
Product grade A D≤M 16, B D>M 16.
Mechanical properties: class 6/8/10 as agreed
DIN6334hex coupling nut
Dimension in mm.