Kwikset 84221 Thick Door Conversion Screw Pack

Quickly and reliably adapt existing deadbolts to thicker doors with the Kwikset 84221 Thick Door Conversion Screw Pack. Designed for Pin & Tumbler deadbolts, this Kwikset parts kit enables you to secure doors from 1-7/8" to 2-1/4" thick without replacing the entire lock, saving time and material costs. The complete screw pack (model 84221-690) includes all necessary components for a straightforward, user-installable retrofit—ideal for installers, property managers, and integrators working on access control, security, or smart home upgrades.

As a genuine Kwikset product, this conversion pack preserves the original lock’s performance and is backed by Kwikset’s lifetime mechanical and finish warranty, giving customers confidence in long-term reliability. Use this kit to streamline door hardware updates during surveillance or monitoring system installations, or when modifying entryways for thicker frames. Compact and professional-grade, it reduces on-site labor and helps maintain consistent security standards across a facility.

Add the Kwikset 84221 Thick Door Conversion Screw Pack to your toolkit for fast, compliant door retrofits—order now to simplify your next security or access control project.

• Adapts Pin & Tumbler deadbolts to thicker doors (1-7/8"–2-1/4") so you can secure non-standard entries without replacing locks
• Complete screw pack includes all necessary parts for a fast, professional install to reduce labor time
• User-installable design lets technicians and maintenance teams retrofit doors onsite, minimizing downtime
• Genuine Kwikset part ensures compatibility and preserves Kwikset's lifetime mechanical and finish warranty
• Supports access control and security upgrades, helping maintain system integrity across door hardware deployments