M6-1.0 x 40 mm Hex Head Bolt Partially Threaded DIN 931, Class 10.9, Plain Finish (no rust protection)
BCD636-630
https://www.fastenermart.com/mm5/graphics/00000001/DIN931.gif
12.15
128.61
2
12.15
100.00
pcs
128.61
1800.00
pcs

DIN 931 Specifications