M18-1.5 x 55 mm Extra Fine Thread Hex Head Cap Screw Fully Threaded DIN 961, Class 10.9, Plain Finish (no rust protection)
SKH735-645
https://www.fastenermart.com/mm5/graphics/00000001/DIN961.gif
51.71
366.22
2
51.71
15.00
pcs
366.22
125.00
pcs

DIN 961 Specifications