ISEO 648 High-Security Deadbolt Lock for Armored Doors – 5 Keys

The ISEO 648 is a heavy-duty high-security deadbolt lock designed for armored and security doors. Manufactured in Italy by ISEO, it combines a patented locking system with robust anti-intrusion features for enhanced protection in residential and commercial applications.

Engineered to resist common forced-entry and manipulation techniques, the ISEO 648 features anti-pick and anti-drill protection, reinforced anti-cut deadbolts and an anti-bumping system. Its security-focused construction makes it an excellent choice for upgrading or replacing the main lock on an armored door.

The reversible latch allows installation on both left- and right-handed doors, providing greater flexibility during installation.

Key Features

• High-security lock for armored and security doors
• Patented FIAM–ISEO locking system
• Anti-pick and anti-drill protection
• Anti-cut deadbolts for increased resistance to forced entry
• Anti-bumping security system
• Reversible latch for left- or right-handed doors
• Heavy-duty construction
• Made in Italy

Complete Lock Set

Supplied as a complete set including:

• ISEO 648 lock
• 5 keys
• Striking plate
• Escutcheons for double-bit keys

Technical Details

• Brand: ISEO 
• Model: 648
• Application: Armored and security doors
• Latch: Reversible
• Piston centre distances: 28 mm or 37/38 mm, depending on version
• Piston projections: 3.5 mm or 13.5 mm, depending on version
• Country of manufacture: Italy

The ISEO 648 is a robust solution for applications where a conventional door lock is not sufficient and a higher level of mechanical security is required.