Security locks protect your site, stores and equipment from theft and unauthorised access. Our range includes heavy-duty brass and stainless steel padlocks, closed shackle and disc padlocks that resist cutting and tampering, armoured shutter padlocks, a chain double padlock for gates, combination flush bolts and key safes for secure key storage. Weather-resistant stainless steel and brass options make them well suited to outdoor use on construction sites, compounds, containers and shutters. Pat O Brien Safety supplies security padlocks and locks across Ireland; browse the full range below.