M42-4.5 x 170 mm Hex Head Bolt Partially Threaded DIN 931, Class 10.9, Plain Finish (no rust protection)
BCD832-704
https://www.fastenermart.com/mm5/graphics/00000001/DIN931.gif
36.21
278.05
2
36.21
1.00
pc
278.05
10.00
pcs

DIN 931 Specifications