M18-2.5 x 180 mm Hex Head Bolt Partially Threaded DIN 931, Class 10.9, Plain Finish (no rust protection)
BCD737-706
https://www.fastenermart.com/mm5/graphics/00000001/DIN931.gif
56.72
118.19
2
56.72
10.00
pcs
118.19
50.00
pcs

DIN 931 Specifications