ASEC Oval Bullet Locks deliver robust security for roller shutter installations. Engineered with hardened steel anti-drill pins to resist forced entry, these locks accommodate the two most common bolt sizes—45mm and 55mm—ensuring compatibility with your existing shutters. Opt for keyed alike sets to streamline key management across multiple units. The key-removable-in-locked-position-only design prevents unauthorised key removal, adding an extra layer of control. Ideal for commercial and residential applications requiring dependable perimeter protection.