RCI FB03-28 Filler Bar for Model 8310, 1/2 x 3/4 x 10-1/2"

Solve tight-frame mounting challenges quickly with the RCI by dormakaba FB03-28 filler bar — a purpose-built magnetic lock part that adds the extra depth needed for secure installations. When frame stops are narrower than 2" (51 mm), this filler bar creates a stable mounting surface for 8310 series electromagnetic locks without costly frame modifications. Measuring 1/2 x 3/4 x 10-1/2", the slim profile keeps the door area tidy while the brushed anodized finishes (Aluminum 28 or Dark Bronze 40) preserve a professional look on commercial and institutional doors.

Specifically engineered for access control professionals, the FB03-28 supports surface-mount installation and delivers dependable alignment for magnetic lock hardware used in security, surveillance, and monitoring environments. Its robust anodized construction reduces installation time and ensures long-term reliability in high-use settings like server rooms, retail entrances, and office access points. Add this magnetic lock part to your toolkit to streamline installs and maintain system integrity. Order the FB03-28 today to complete your next electromagnetic lock installation with confidence.

• Provides extra mounting depth for magnetic locks when frame stops are under 2" (51 mm), enabling secure installations without frame modification
• Designed specifically for 8310 series electromagnetic locks to ensure reliable compatibility and quick integration
• Slim 1/2 x 3/4 x 10-1/2" profile fits tight door frames while maintaining a flush, professional appearance
• Available in Brushed Anodized Aluminum (28) or Dark Bronze (40) to match commercial finishes and maintain aesthetics
• Surface-mount design simplifies installation and reduces labor time for retrofit and new-construction jobs
• Durable anodized construction resists wear and supports long-term access control and security system performance