M12-1.75 x 50 mm Double End Stud (Tap End ~1.25d Long) DIN 939, Interference Fit, Class 8.8, Plain Finish (no rust protection)
STA707-640
https://www.fastenermart.com/mm5/graphics/00000001/DIN939.gif
55.03
720.84
2
55.03
20.00
pcs
720.84
350.00
pcs

DIN 939 Specifications