GRI M-5278 Alnico V Bare Magnets, 1/8" Diameter x .937"

Designed for dependable contact sensing in security and monitoring installations, the George Risk Industries (GRI) M-5278 Alnico V bare magnet is ideal for access control, alarm and surveillance applications. As part of the Contact Magnets & Accessories line, this magnet pairs easily with reed switches and magnetic sensors to secure doors and windows without adding bulk. The M-5278 measures 1/8" in diameter and .937" long, offering a compact footprint for flush or concealed mounting while still delivering the magnetic strength expected from Alnico V material. The painted pole end clearly indicates polarity to simplify correct alignment toward the switch, reducing installation time and service callbacks. Packaged in bags of 100, these magnets are a cost-effective choice for contractors and integrators stocking parts for multiple sites. Whether you’re retrofitting existing systems or building new security and surveillance setups, the GRI M-5278 provides a reliable, professional-grade magnetic contact solution. Add them to your next order to streamline installations and improve monitoring reliability.

• Reliable contact sensing for security and surveillance systems — delivers consistent magnetic performance for door/window monitoring
• Compact 1/8" diameter fits discreet, tight installations for modern access control and alarm applications
• Alnico V composition provides stable magnetic field and long-term reliability under normal operating conditions
• Pole end painted to indicate orientation, simplifying installation and ensuring correct switch operation
• Supplied in bags of 100 to streamline inventory for installers and system integrators