RAM Mounts Square Post Clamp Base RAM-B-247U-3 for Posts up to 3 inch Wide

The RAM Mounts Square Post Clamp Base RAM-B-247U-3 provides a secure mounting solution for square or rectangular posts up to 3" (76 mm) wide. Constructed from durable aluminum with a black finish, the base includes a 1" (25.4 mm) ball that mates with RAM 1" ball accessory arms and cradles for adjustable positioning.

Advantages

This clamp base offers corrosion-resistant aluminum construction, compatibility with the RAM 1" ball system, and a compact design suitable for tight installations. Its black finish improves visual integration with equipment while providing a robust mounting point for devices attached via RAM arms and cradles.

Suitable for (tasks / use cases)

• Mounting electronics, holders, or accessories to square or rectangular posts up to 3" wide
• Vehicle or equipment installations where a 1" RAM ball interface is required
• Marine, off-road, or industrial applications needing a durable clamp base

Key specifications

• Model: RAM-B-247U-3
• Compatible post width: up to 3" (76 mm)
• Ball diameter: 1" (25.4 mm)
• Material: aluminum
• Finish: black
• Brand: RAM Mounts
• MPN: RAM-B-247U-3
• EAN: 793442124754

How to use

Position the clamp base around the square or rectangular post up to 3" wide, align the clamp halves, and tighten the fasteners evenly to secure the base. Attach a RAM 1" ball arm or cradle to the ball socket and adjust the arm to the desired angle, then tighten the arm hardware to lock the position.

Recommendations

For long-term installations, periodically check and re-tighten fasteners to compensate for vibration and environmental exposure. Use compatible RAM 1" ball arms and cradles rated for your device weight to ensure safe mounting.