JIS M10x1.25-14mm Metric Hex-Head & Cylinder
Nut Smooth Flange-Black
Bag of 10
Black Phosphate Class 10 Steel Flange Nut
JIS B1190,
M10x1.25
Thread
Size,
21mm
Flange Diameter
These are the nuts you need for heads and cylinders that won't gall the metal as the serrated will