Stainless Steel Single Cylinder Deadbolt (keyed on the outside and thumb turn on the inside). These Grade 1 high security deadbolts fit standard pre-drilled doors. All the exterior components, including the deadbolt, thumb turn, screws and strike plates are stainless steel. Both the outside and inside square housing plates are made from 1/2" thick solid stainless steel.

Single Cylinder: The deadbolt is thrown and retracted by a key from exterior and by a thumb turn from the interior

Features of the AHI Square Single Cylinder Deadbolt:

• ANSI Grade 1 Security
• 20 Minute UL Fire Rated
• 6 Pin Schlage C Keyway for Security
• Optional 2 3/8" or 2 3/4" Backset
• 1" Deadbolt with Hardened Steel Core for Extra Security
• Fit Standard 2-1/8" Pre-Drilled Doors

Specifications of the AHI 4850 Deadbolt:

• Material: Marine Grade 316 Stainless Steel
• Exterior Length: 2-1/2" square
• Exterior Projection: 1/2"
• Interior Length: 2-1/2" square
• Interior Rosette Projection: 1/2"
• Door Thickness: 1-3/4" to 3"
• Backset: 2-3/8" or 2-3/4"
• AHI 4850 Installation Instructions (PDF)

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