

RAM Mounts Double U-Bolt Rail Mount with 75 × 75 mm VESA Plate for Rails 19–25 mm, C-Size (RAM-334-1U) mounts a monitor, rugged tablet or other VESA 75 × 75 mm device on a rail or pipe with a diameter of 19–25 mm. The stainless steel double U-bolt base clamps securely around the tube, the medium 145 mm C-size (1.5") double socket arm adjusts at both ends, and the 92 × 92 mm VESA plate bolts directly to the device. A neat solution for carts, railings, machine guards and boat rails.
📦 What's in the box – RAM-334-1U
- Stainless steel double U-bolt base with C-size ball – for rails Ø 19–25 mm
- Double socket arm (C size, medium) – 145 mm overall, 118 mm socket to socket
- 75 × 75 mm VESA plate with C-size ball – 92 × 92 mm plate
- U-bolt hardware – 2 × 1/4"-20 U-bolts for Ø 19–25 mm rails, 4 nyloc nuts, 4 rubber caps
💡 You might also consider a VESA/AMPS adapter plate for monitors and keyboards, a 100 × 100 mm VESA plate for devices with the 100 × 100 mm pattern, or a key-locking knob to deter theft.
Key Features
- Double U-bolt rail mount – stainless steel double U-bolt base clamps securely to rails and pipes Ø 19–25 mm
- Patented ball-and-socket system – C-size (1.5") rubber balls adjust at both ends of the arm and damp shock and vibration
- Medium double socket arm – 145 mm overall, 118 mm socket to socket, with an easy-to-adjust knob
- VESA 75 × 75 mm – the 92 × 92 mm plate bolts directly to monitors, rugged tablets and other devices with a 75 × 75 mm VESA pattern
- Load capacity – 1.8 kg (4 lb) for standard use, 1.4 kg (3 lb) for heavy-duty use
- Durable construction – marine-grade aluminium
Compatibility
- Rails and pipes Ø 19–25 mm
- Monitors and devices with VESA 75 × 75 mm
- All RAM C-size (1.5") ball bases, adapters and holders
Technical Specifications
| Part Number | RAM-334-1U |
|---|---|
| Product Type | Rail mount kit |
| Connection | RAM C-size ball (1.5"); VESA 75 × 75 mm |
| Load Capacity | 1.8 kg (4 lb) for standard use, 1.4 kg (3 lb) for heavy-duty use |
| Material | Marine-grade aluminium |
| Dimensions | Arm 145 mm overall (118 mm socket to socket); VESA plate 92 × 92 mm; rail clamp Ø 19–25 mm |
| Weight | 0.73 kg (1.62 lb) |
| In the Box | Stainless steel double U-bolt base with C-size ball, double socket arm (C size, medium), 75 × 75 mm VESA plate with C-size ball, U-bolt hardware |
More RAM cradles, ball bases and socket arms are waiting in our Mobile Terminal Accessories collection. Planning a vehicle or forklift installation, or ordering for a whole fleet? Contact us for project support and volume pricing.
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