M10 x1.0 HEX HALF/THIN NUT ZP
The half nut (also known as a jam nut) is a thin nut, normally used under a full nut to develop locking action
Metric Fine Thread
Thread Pitch = 1.0mm
Hexagon Across the Flats ( AF ) = 17mm
Thickness = 5mm
Mild Steel
DIN Standard 439B
Zincplated Finish