The RAM® D Size Marine Electronics Drill-Down Mount (RAM-D-115) is engineered for larger fishfinders and marine chartplotters that demand a rock-solid mounting solution. Featuring dual 2.25" D size rubber balls, a medium-length double socket arm, and a 6.25" x 2" pre-drilled marine electronics plate, this heavy-duty mount is ideal for 9"–12" fishfinders and similar marine displays.
Designed for direct compatibility with many gimbal brackets, including popular Lowrance® and Garmin® units, this system provides vibration damping, full adjustability, and marine-grade durability. The universal top plate includes multiple hole patterns (see drawing image in listing) to support a wide range of electronics.
Whether you're mounting to a boat console, helm station, or dash panel, this drill-down base delivers secure installation and reliable performance in harsh marine environments.
Key Features
• Heavy-Duty D Size System – Dual 2.25" rubber balls support larger marine electronics
• Medium Double Socket Arm – 6.88" socket-to-socket length for optimal reach and adjustability
• Universal 6.25" x 2" Top Plate – Pre-drilled hole combinations fit many 9"–12" fishfinder gimbal brackets
• Round 3.68" Drill-Down Base – Multiple hole positions for secure installation
• Vibration Damping Design – RAM® rubber ball and socket system absorbs shock on rough water
• Horizontal or Vertical Mounting – Configure to match your helm layout
• Marine-Grade Aluminum Construction – Corrosion-resistant and built for saltwater environments
• Made in the USA
• Backed by RAM® Lifetime Warranty
Ideal For
• 9"–12" Fishfinders
• Marine GPS & Chartplotters
• Boat Helm & Console Installations
• Offshore & Inland Marine Applications
Installation Notes
Drill-down mounting hardware is not included. Because installation surfaces vary (fiberglass, aluminum, composite panels, etc.), appropriate hardware should be selected based on your specific application.
In some applications, additional holes drilled into the top plate may be required to match your device bracket.
Specifications
Overall Height: 10.7"
Socket-to-Socket Length: 6.88"
Top Plate Size: 6.25" x 2"
Bottom Plate Size: 3.68" Diameter
Ball Size: D Size (2.25")
Weight Capacity:
• Standard Use: 6 lbs
• Heavy-Duty Use: 5 lbs
Materials: Marine-grade aluminum
Product Weight: 4.25 lbs
Hole Pattern: See listing images for detailed drawing
What’s Included
• 6.25" x 2" Marine Electronics Plate with D Size Ball
• Medium Length D Size Double Socket Arm
• Round Drill-Down Base with D Size Ball
Brand and Warranty
Brand: RAM Mounts
Part Number: RAM-D-115
Warranty: Manufacturer's Lifetime Warranty
Gadget Mounts is an Authorized RAM Mounts Dealer, supplying genuine RAM® products backed by full manufacturer support.
