DIN 6331 Collar Nut, Steel, Blackened
Collar nuts are used on clamping applications which require frequent clamping and unclamping (m = 1,5 x d1).
The collar eliminates the need for washers, saving time and effort.
The official standard sheet specifies the additional sizes M 27, M 42 and M48, however M14 is not on the official standard sheet.
Steel, Tensile strength 1000 N/mm2, blackened.