M14-1.5 Fine Thread Non-Serrated Hex Flange Nut DIN 6923, Class 8, Plain Finish (no rust protection)
NRC714-500
https://www.fastenermart.com/mm5/graphics/00000001/DIN6923.gif
55.98
631.54
2
55.98
40.00
pcs
631.54
600.00
pcs

DIN 6923 Specifications