M20-2.5 x 55 mm Hex Head Bolt Partially Threaded DIN 931, Class 10.9, Plain Finish (no rust protection)
BCD745-645
https://www.fastenermart.com/mm5/graphics/00000001/DIN931.gif
58.61
243.04
2
58.61
15.00
pcs
243.04
100.00
pcs

DIN 931 Specifications