3M heavy duty dead lock

3M heavy duty dead lock 

Key Features:
• 3-inch (76mm) lock body or bolt size for deep engagement and secure holding power
• Available in single cylinder (key exterior, thumbturn interior) or double cylinder (key both sides) configurations
• Anti-drill hardened steel pins and anti-pick security pins for enhanced protection
• Available in solid brass, zinc-plated steel, satin chrome, and stainless steel finishes
• Grade 1 ANSI/BHMA certified for maximum durability (500,000+ cycles) on premium models
• Anti-snap technology on select models to prevent cylinder snapping attacks
• Heavy-duty strike plate with 3-inch or longer screws for deep frame penetration
• Supplied with 3-5 keys for convenient access
• Suitable for commercial, industrial, and high-security residential doors