M20-2.5 x 50 mm Low Head Socket Cap Screw with Pilot Recess DIN 6912, Class 8.8, Plain Finish (no rust protection)
SFK745-640
https://www.fastenermart.com/mm5/graphics/00000001/DIN6912.gif
17.76
1063.39
2
17.76
1.00
pc
1063.39
100.00
pcs

DIN 6912 Specifications