You’ll get a rugged swing‑arm mount that fits 5″–12″ fish finders and installs on flat center consoles, jon boats, bass boats and kayak decks using the pre‑drilled rectangle base. It uses 316 stainless fasteners, supports up to 110 lb static with 22 lb dynamic impact tolerance, and offers two pivots plus 360° rotation for ergonomic viewing and stowage. Inspect fasteners periodically and manage cables for strain relief — continue for full installation, compatibility and test details.
Some Key Takeaways
- Confirms compatibility with 5″–12″ fish-finder/chartplotter screens and many brand bolt patterns without adapter plates.
- Static 110 lb and dynamic 22 lb ratings indicate strong steady support but limited resistance to heavy slams.
- Pre-drilled rectangle base and included 316 stainless hardware ease installation on center consoles, dashboards, and kayak decks.
- Dual pivots, 360° rotation, and stow-flat swing improve viewing flexibility and cockpit clearance.
- Recommend periodic inspection of hinge wear, fastener torque, and cable strain relief for long-term reliability.
Which Boats and Screens This Heavy-Duty Swing-Arm Mount Actually Fits
This heavy-duty swing-arm mount fits a wide range of small-to-medium watercraft and transducer displays: it installs on flat surfaces like center consoles, dashboards, jon boats, bass boats, and kayak decks, and supports fish-finder and chartplotter screens from 5″ to 12″. You’ll mount it to common boat types using the pre-drilled rectangle base and supplied hardware. The unit accommodates screen sizes 5″–12″ and many brand models without adapter plates. Two pivot points and 360° rotation let you optimize viewing while maintaining mechanical clearance on compact vessels. Installation requires flat mounting area and correct fastener torque for secure operation. Our shop specializes in mounts for kayak fish finders and related gear, making it easy to find compatible options for kayak decks.
Real-World Strength Test: Static 110 Lb Vs Dynamic 22 Lb Performance
Having covered fitment and installation, let’s examine how the mount’s rated capacities behave under real-world loads. You’ll see the static 110 lb rating holds when you apply steady weight to the arm and base; deflection remains minimal and fasteners show no permanent set. Under dynamic conditions the 22 lb rating governs: simulated knocks and sudden levered forces cause measurable movement but no catastrophic failure. Controlled fatigue testing cycles reveal hinge wear patterns after extended repetition; periodic inspection is advised. Impact resilience is good for normal boating bumps, but heavy slams or overloaded swings exceed dynamic limits and risk accelerated degradation. For kayakers and beginners, choosing a transducer arm designed for kayak use helps ensure proper fitment and longevity.
Installation Walkthrough: Mounting Base, Pre-Drilled Plate, and Fasteners
Because you’ll be securing the mount to a load-bearing surface, begin by verifying the base location, ensuring it’s flat, unobstructed, and able to accept the pre-drilled rectangle plate; mark hole positions with the plate held firmly in place. Select fasteners based on substrate: use included 316 stainless machine screws and lock nuts for metal or sheet metal screws for fiberglass. Match bolt patterns to the device and plate before drilling. Drill pilot holes, countersink if needed, then torque fasteners to specified values. Route cables through the plate opening and along the arm for disciplined cable management and strain relief. Consider reinforcing the attachment area with a backing plate to distribute loads and protect the hull when using anchor systems.
Adjustability and Day-to-Day Use: Two Pivots, 360° Rotation, and Positioning Tips
When you adjust the mount, use the two pivot points and full 360° rotation to optimize viewing while minimizing glare and cockpit interference; loosen the pivot knobs just enough to reposition, then retighten to secure without over-torquing. You’ll set height and tilt to maintain ergonomic reach for steering and controls, avoiding obstruction. Use the swing arm’s range to stow the unit flat when underway and deploy it for fishing. If equipped, engage the quick release mechanism for rapid removal and storage. Check fastener torque periodically, verify smooth pivot action, and prevent cable strain during rotation. Choose mounts designed for kayakers and beginners to ensure compatibility with small-craft cockpits and simple installation.
Compatibility Checklist and Final Recommendation for Garmin, Lowrance, Humminbird and Others
After you’ve set tilt and rotation for glare control and cable routing, confirm the mount matches your unit’s footprint and weight limits. Check screen size (5″–12″), static load (110 lbs) and dynamic load (22 lbs). Verify Garmin compatibility by aligning ECHOMAP, GPSMAP or Striker bolt patterns and confirming clearance for transducer cabling. For Lowrance compatibility, confirm HDS/Hook/Elite mounting holes and cable exit path. Confirm Humminbird Solix/Helix fit and weight. Inspect supplied 316 stainless screws for corrosion resistance and assure base fits your flat surface. Final recommendation: this heavy‑duty swing arm offers broad cross‑brand compatibility and marine durability. Consider mounting locations on a kayak to ensure stable kayak positioning and unobstructed transducer performance.
Some Questions Answered
Will This Mount Interfere With My Boat’s Electronics or Antenna Placement?
No, it shouldn’t cause signal interference if you plan placement carefully. You’ll maintain antenna clearance by mounting the base away from existing antenna paths and keeping cables separated. The aluminum and stainless materials are non-magnetic and won’t shield signals, but avoid stacking antennas directly behind the display. Test radio, GPS, and sonar reception after installation; adjust the 360° swing arm and pivot points to optimize antenna clearance and minimize any residual interference.
Can I Lock the Arm in Place to Prevent Theft or Unauthorized Removal?
Yes — you can secure the arm to deter theft. The mount accepts a locking mechanism through its pivot and base holes; you’ll use a small padlock or tamper-resistant pin (not included) to immobilize rotation and removal, creating an effective theft deterrent. Because hardware is marine-grade, choose a corrosion-resistant lock. Install per instructions, torque fasteners correctly, and periodically inspect lock integrity and mounting screws for wear or salt corrosion.
Is There a Warranty or Replacement Policy for Corrosion or Hardware Failure?
Yes — you’re covered for manufacturing defects; warranty coverage typically addresses corrosion and hardware failure within the stated period. Check the product documentation or vendor for exact terms. If failure qualifies, the manufacturer will authorize repair or replacement; expect a replacement timeframe of 2–8 weeks depending on stock and shipping. Retain proof of purchase, document damage with photos, and follow the claims procedure to expedite resolution.
Can the Mount Be Used for Tablets or Non-Fish-Finder Devices?
Yes — you can mount tablets and alternative devices if dimensions and weight fit. The arm supports screens 5″–12″ and a static load of 110 lbs (dynamic 22 lbs); verify your tablet’s footprint and use appropriate adapter plate or clamping bracket. Materials and hardware tolerate marine environments, but confirm mounting points align with the pre-drilled plate. For heavy tablets or cases, make certain total dynamic load stays within limits to prevent fatigue or failure.
Are Vibration Dampeners or Shock Mounts Available or Compatible?
Yes — you can add vibration isolation and shock absorption components. You’ll mount inline rubber or neoprene dampers between the device plate and swing arm, or fit anti-vibe pads under the base. Choose marine-grade, salt-resistant isolators sized for the mount’s static (110 lb) and dynamic (22 lb) loads. Confirm hole spacing and thread compatibility with the provided 316 stainless screws and lock nuts before installing.



