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GRI M-12 Bare Magnet, 1" Long, 1/4" Diameter

Special Order: typically 2–6 weeks

Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.

Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.

A member of our team will check with the manufacturer and personally reply by email.

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Key Features

  • Consistent activation for security contacts: ensures reliable door and window sensor triggering to reduce false alarms
  • Compact, low-profile design (1 in length, 1/4 in diameter) fits tight housings and discreet installations
  • Precision M-12 sizing for seamless compatibility with standard contact switches and reed sensors
  • Rugged US-made construction from George Risk Industries for long-term durability in commercial deployments
  • Easy to integrate into new installations or retrofits for surveillance, access control and monitoring systems

Quick Specifications

Product Model
M-12
Brand Name
George Risk Industries
Manufacturer Part Number
M-12
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Product information

M-12

Overview

Maximize the reliability of your contact sensors with the George Risk Industries GRI M-12 bare magnet. Designed for security and surveillance applications, this contact magnet delivers consistent magnetic activation for door and window reed switches—helping reduce nuisance alarms and improve overall system dependability. The M-12 magnet measures 1 in long by 1/4 in diameter, offering a low-profile footprint that fits tight mounting cavities and concealed installations without compromising holding force. Made in the US, the GRI M-12 is well-suited for commercial access control, intrusion detection, and remote monitoring projects where dependable sensor response is critical. Its standardized sizing ensures straightforward compatibility with a wide range of contact sensors and accessories, simplifying inventory and installations for integrators and facilities teams. Whether you are outfitting a new surveillance system or replacing worn magnets during maintenance, the GRI M-12 provides a no-nonsense, durable solution. Order the GRI M-12 bare contact magnet today to improve sensor performance and streamline your security or monitoring deployment.

Features

  • Consistent activation for security contacts: ensures reliable door and window sensor triggering to reduce false alarms
  • Compact, low-profile design (1 in length, 1/4 in diameter) fits tight housings and discreet installations
  • Precision M-12 sizing for seamless compatibility with standard contact switches and reed sensors
  • Rugged US-made construction from George Risk Industries for long-term durability in commercial deployments
  • Easy to integrate into new installations or retrofits for surveillance, access control and monitoring systems
3 of 3 specifications
Technical specifications for GRI M-12 Bare Magnet, 1" Long, 1/4" Diameter
General Information
Brand Name George Risk Industries
Manufacturer Part Number M-12
Miscellaneous
Country of Origin US

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SKU:
M-12
Manufacturer part:
M-12
How do I confirm compatibility?

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When will this item ship?

Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.

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What should I know about returns?

Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.

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GRI M-12 Bare Magnet, 1" Long, 1/4" Diameter

M-12

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