M20-2.5 x 155 mm Hex Head Bolt Partially Threaded DIN 931, Class 10.9, Plain Finish (no rust protection)
BCD745-701
https://www.fastenermart.com/mm5/graphics/00000001/DIN931.gif
56.08
287.94
2
56.08
5.00
pcs
287.94
40.00
pcs

DIN 931 Specifications