M6-1.0 x 50 mm Hex Flange Bolt Partially Threaded DIN 6921, Class 8.8, Plain Finish (no rust protection)
BHA636-640
https://www.fastenermart.com/mm5/graphics/00000001/DIN6921.gif
22.8
239.48
2
22.8
100.00
pcs
239.48
1300.00
pcs

DIN 6921 Specifications