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The Cal Royal UL453 Heavy Duty Surface Bolt is a UL-listed, high-performance door bolt designed to provide maximum security for inactive doors in commercial and residential settings. Built with heavy-duty materials for superior strength and durability, this surface bolt is ideal for top or bottom door applications where enhanced protection is essential. Its UL listing ensures compliance with fire and safety standards, making it a trusted choice for code-compliant installations. Easy to install and engineered for long-lasting reliability, the Cal Royal UL453 is perfect for securing double doors in high-traffic environments with confidence and ease.

• Offers tamper-resistant mounting
• Can be used for both in-swinging and out-swinging doors
• Available with both mortise and universal strikes
• Conforms to ANSI / BHMA A156.16, L04161

Dimensions:

Length: 8”

Width: 1”

Bolt Head Dia.: ⁵⁄₁₆"

Throw: 1”

Projection: 1 ⁵⁄₈"