They are attached to the supporting structure either with a machine screw and nut. In blind applications, they are attached with a machine screw and a rivnut or plate nut.
Hose Clamp Earls Plumbing 900106ERL
Earls Plumbing Hose Clamp 900510ERL;
100Pcs Spring Hose Clamps Kit With Hose Clamp Pliers Fuel Hose Clamp 10mm-21mm
Russell 650980 Hose Cushion Clamp For 6AN Hose - 10 Pack Hose Clamp
Russell 650970 Hose Cushion Clamp For 4AN Hose - 10 Pack Hose Clamp
Russell Hose Clamp | 650980*Russell - Hose Clamp