Hooks, Snaps & Carabiners

A hook has an open or partly closing throat for engaging a compatible point. A snap uses a spring-loaded bolt, trigger or gate for quick attachment. A carabiner or spring clip has a hinged gate within a continuous body and may include a locking sleeve.

A basic spring clip closes automatically but can be opened directly by pressing the gate. Screw-lock, auto-lock and safety-lock styles add a mechanism that helps prevent unintended gate opening. The lock does not replace correct loading and inspection.

A screw lock is manually threaded closed and is simple to inspect visually. An auto lock returns to its locked position automatically when released. Choose according to access, frequency of use, contamination exposure and the application's documented requirements.

A fixed eye maintains one orientation. A swivel eye rotates to help align an attached line, strap or fitting and reduce twisting. A swivel is not intended to compensate for side loading or an incompatible connection.

316 stainless steel generally offers better resistance to chloride and marine corrosion. 304 stainless is widely used for webbing and general hardware. Material grade alone does not establish strength, suitability or maintenance interval.

Compare body dimensions, gate opening, eye size, connected hardware, expected load direction and the manufacturer's published load information. The connector must move and seat correctly without binding or concentrating load on a gate or edge.

Unless specifically documented otherwise, apply load along the connector's intended major axis and avoid loading across the gate, tip or side. Hooks must be seated so the load cannot slip toward the throat.

Not unless the exact product is specifically designed, certified and rated for that application. General marine and rigging hardware must not be assumed suitable for overhead lifting, fall protection, climbing or personnel support.

Check for corrosion, cracks, deformation, sharp wear, spreading, bent gates, seized swivels and damaged locking sleeves. Gates, triggers and locks should close completely and operate smoothly. Remove questionable hardware from service.