M4-0.7 x 55 mm Hex Head Bolt Partially Threaded DIN 931, Class 8.8, Plain Finish (no rust protection)
BCA602-645
https://www.fastenermart.com/mm5/graphics/00000001/DIN931.gif
16.2
305.94
2
16.2
100.00
pcs
305.94
3000.00
pcs

DIN 931 Specifications