To DIN 3017. Chrome steel 1.4016. With galvanized, worm drive screw.

Hose connectors
Thread clamps
Hose connectors
Thread clamps
Hose connectors
Thread clamps
Hose connectors
Thread clamps
Hose connectors
Thread clamps
Hose connectors
Thread clamps
Hose connectors
Thread clamps
Hose connectors
Thread clamps
Hose connectors
Thread clamps