M20-2.5 x 80 mm Flat Head Socket Cap Screw Partially Threaded DIN 7991, Class 10.9, Plain Finish (no rust protection)
SCS745-670
https://www.fastenermart.com/mm5/graphics/00000001/DIN7991.gif
55.46
299.4
2
55.46
10.00
pcs
299.4
90.00
pcs

DIN 7991 Specifications