bolt M16x1.5x50 PLAIN 10.9 hexagonal head, full, fine thread DIN 961
Firma Killich s.r.o. It offers hexagon screws with fine overall thread according to DIN 961. In the DIN 961 range of screws, the screws are steel and galvanized (yellow, white) in strength 8.8, 10.9. Hexagon bolts (DIN 961) are on hexagonal wrench.
