Does the metal ratchet mechanism cause issues at security?

No — a ratchet strap has no blade or restricted component, so it's allowed in carry-on and checked bags without issue.

Ratchet Strap

Ratchet straps and cargo tie-down straps are allowed in carry-on and checked bags without restriction.

Carry-on

Allowed

Checked

Allowed

Allowed. A ratchet strap or tie-down strap has no blade and no restriction — it's screened like any other fabric/webbing item.

Allowed. No restriction in checked baggage.

Does the metal ratchet mechanism cause issues at security?: No — a ratchet strap has no blade or restricted component, so it's allowed in carry-on and checked bags without issue.