M20-2.5 x 40 mm Low Head Socket Cap Screw with Pilot Recess DIN 6912, Class 8.8, Plain Finish (no rust protection)
SFK745-630
https://www.fastenermart.com/mm5/graphics/00000001/DIN6912.gif
16.5
988.1
2
16.5
1.00
pc
988.1
100.00
pcs

DIN 6912 Specifications