RAM Mounts Drill Down Ball Mount for Garmin Astro and GPSMAP Series
Best permanent mounting solution for lightweight marine GPS devices.
This is the gold standard for permanent, rock-solid stability on the water. By opting for a drill-down installation, you trade portability for absolute peace of mind, ensuring your essential navigation tools stay exactly where you put them, even in rough chop.
$48.99
at
OC Mounts
Who it's for
- Off-roaders needing rock-solid stability for expensive gear
- Users building a versatile, customizable mounting ecosystem
- Garmin owners wanting a secure, accessible device fit
Who should skip it
- Boat owners avoiding permanent holes in their console
- Tech upgraders needing a mount for multiple device types
- Shoppers expecting an all-in-one, ready-to-use mounting kit
Performance breakdown
Installation Stability
Drill-down mounting creates a rock-solid foundation for choppy water conditions.
Corrosion Resistance
Powder-coated marine-grade aluminum stands up to harsh saltwater environments.
Adjustment Versatility
The 1-inch ball system allows for precise, infinite viewing angle adjustments.
Weight Capacity
Limited to 2 lbs, ideal for handhelds but unsuitable for heavy displays.
Build Durability
Rugged construction ensures long-term reliability in demanding marine settings.
Mounting Footprint
Compact 2.5-inch base fits easily on crowded boat consoles.
Key Specs
Material
Marine-grade aluminum with powder coating
Ball Size
1 inch
Base Size
2.5 inch round
Maximum Device Weight
2 lbs (907.185 grams)
Overall Length
3.69 inches
Socket to Socket Length
3 inches
Overall Height (fully straight)
5 inches
Attachment Method
Drill Down
Weather Resistant
Yes
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