bolt M12x55 PLAIN 5.6 AD-W7/TRD hexagonal head, part thread, ISO 4014
Firma Killich s.r.o. It offers hexagon screws with metric threads in accordance with DIN 931. The DIN 931 range includes stainless steel screws A2, A4, brass, titanium, polyamide steel and galvanized (yellow, white) in strength 5.8, 8.8, 10.9, 12.9. The hexagon bolts (DIN 933) are on a hexagonal wrench.
