The Adhesive Octagon Mount with 4-Hole AMPS Plate offers a secure, low-profile solution for mounting your favorite device holders and adapters, no drilling required. Designed for use on smooth, flat surfaces, the 70mm 3M VHB adhesive base provides a permanent, high-strength bond ideal for dashboards, consoles, and workstations.
At the top, the 4-Hole AMPS mounting plate allows easy attachment of any compatible holder, adapter, or device that utilizes the industry-standard AMPS pattern. Between the base and plate sits an adjustable Octagon single-ball socket arm, which lets you position your setup for the best viewing and operation angle.
Durable, reinforced composite construction ensures long-lasting stability in cars, trucks, and commercial or industrial environments. This mount is part of Arkon’s trusted Octagon Series, offering flexibility and reliability for professional-grade installations.
Features
- 4-Hole AMPS Plate: Compatible with any holder, adapter, or device that uses the standard 4-hole AMPS mounting pattern.
- Octagon Shaft Arm: Adjustable arm with single-ball socket for versatile positioning; connects with Arkon’s Octagon Series and 25mm systems.
- 70mm 3M VHB Adhesive Base: Provides a permanent, heavy-duty bond—ideal for dashboards and smooth, flat surfaces.
- No Drilling Required: Quick, clean installation without surface damage.
- Reinforced Composite Build: Engineered for lasting durability in automotive, industrial, and commercial setups.
Compatible with anyholder ordevicethat utilizes a4-hole AMPS mounting pattern.
Works with most* Garmin devices that use the AMPS mounting pattern.
Supported Garmin models include:
- Garmin Overlander
- Garmin Tread Overland
- Garmin Tread Powersport
- Garmin Montana 600 series
- Garmin Montana 700 series
- Garmin GPSMAP 276Cx
- Garmin GPSMAP 66i
- Garmin GPSMAP 66sr
- Garmin zūmo XT
- Garmin aera 500 / 550 / 560
*Please confirm AMPS mounting pattern compatibility with the manufacturer.
- Design: Adhesive Octagon mount with 25mm ball shaft and 4-hole AMPS plate head for permanent mounting on smooth surfaces.
- Model: RM8VHBAMPS
- Adapter Dimensions (HxWxL): 1.58” x 2.24” x 1.80” (40.15mm x 56.85mm x 45.75mm)
- Total Height: 3.24” (82.40mm)
- Weight: 3.36 oz (95 g / 0.21 lbs)
- Material: Reinforced Composite
- Mounting Type: Adhesive (3M VHB 70mm)

























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