RAM Mounts D-size square post clamp base for posts 1.75–4 inch wide – product photo
RAM Mounts D-size square post clamp base for posts 1.75–4 inch wide – product photo
RAM Mounts D-size square post clamp base for posts 1.75–4 inch wide – product photo
RAM Mounts D-size square post clamp base for posts 1.75–4 inch wide – product photo

RAM Mounts Square Post Clamp Base for Posts 1.75–4" Wide, D-Size (RAM-D-247U)

73,05 € +VAT
Ball size
C (1.5")D (2.25")
Material
AluminumAluminum (steel-reinforced)
Clamp range
44.5–101.6 mm (1.75–4")Up to 101.6 mm (4")Up to 127 mm (5")Up to 50.8 mm (2")Up to 63.5 mm (2.5")Up to 76.2 mm (3")
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  • Available: Out Of Stock
  • Vendor: RAM MOUNT
  • Type: For Mobile Terminals
  • Barcode: RAM-D-247U
RAM Mounts D-size square post clamp base for posts 1.75–4 inch wide – product photo
RAM MOUNT
RAM Mounts Square Post Clamp Base for Posts 1.75–4" Wide, D-Size (RAM-D-247U)
73,05 € +VAT

RAM Mounts Square Post Clamp Base (RAM-D-247U) clamps onto square posts 1.75–4" (44.5–101.6 mm) wide and carries a D-size 2.25" (57 mm) rubber ball for any RAM D-size double socket arm. It is a no-drill base for rugged tablets, laptops and vehicle-mount computers on forklift posts, racking, carts and machine frames. Thanks to its slotted holes it is the most universal clamp base in the family and RAM's recommendation for forklifts. The clamp is adjustable and easy to remove, and the powder-coated marine-grade aluminium is made for vibration, weather and workshop use.

📦 What's in the box – RAM-D-247U

  • Square Post Clamp Base – with D-size 2.25" rubber ball, for square posts 1.75–4" wide
  • Mounting hardware – 2× hex bolt 5/16"-18 x 3.5", 2× nut 5/16"-18, 2× flat washer, 2× lock washer, 2× rubber cap

💡 To get started, you might also consider a short D-size double socket arm and a ball plate for the device side, such as the D-size VESA 75 × 75 plate or the D-size round AMPS plate.

View accessories →

Key Features

  • Square post clamp – fits square posts 1.75–4" (44.5–101.6 mm) wide; adjustable and easy to remove
  • Slotted holes – the most universal clamp base in RAM's square post family; recommended for forklifts, vehicle-mount computers and rugged tablets
  • D-size ball – 2.25" (57 mm) rubber ball fits any RAM D-size double socket arm; the ball-and-socket joint allows near-infinite adjustment
  • Load rating – 6 lb (2.7 kg)
  • Rugged build – powder-coated marine-grade aluminium, backed by RAM's lifetime warranty

Compatibility

  • Square posts 1.75–4" (44.5–101.6 mm) wide
  • All RAM D-size (2.25") double socket arms and D-size ball components

Technical Specifications

Part Number RAM-D-247U
Product Type Square post clamp base with ball
Connection RAM D-size ball, 2.25" (57 mm)
Clamp Range Square posts 1.75–4" (44.5–101.6 mm) wide
Load Rating 6 lb (2.7 kg)
Material Powder-coated marine-grade aluminium
Weight 0.72 kg (1.59 lb)
Warranty Lifetime warranty (RAM Mounts)
In the Box Square Post Clamp Base, 2× hex bolt 5/16"-18 x 3.5", 2× nut 5/16"-18, 2× flat washer, 2× lock washer, 2× rubber cap

Looking for a device to mount? Browse our Vehicle Mount Terminals range. Planning a vehicle or forklift installation, or ordering for a whole fleet? Contact us for project support and volume pricing.

Available Versions

Part NumberBall sizeMaterialClamp rangePrice
RAM Mounts Square Post Clamp Base for Posts up to 4" Wide, C-Size (RAM-247U-4) RAM-247U-4C (1.5")AluminumUp to 101.6 mm (4")56,74 €+VATOut of Stock View
RAM Mounts Square Post Clamp Base for Posts up to 5" Wide, C-Size (RAM-247U-5) RAM-247U-5C (1.5")AluminumUp to 127 mm (5")106,87 €+VATOut of Stock View
RAM Mounts Square Post Clamp Base for Posts 1.75–4" Wide, D-Size (RAM-D-247U) RAM-D-247UViewingD (2.25")Aluminum44.5–101.6 mm (1.75–4")73,05 €+VATOut of Stock
RAM Mounts Square Post Clamp Base for Posts up to 2" Wide, D-Size (RAM-D-247U-2) RAM-D-247U-2D (2.25")AluminumUp to 50.8 mm (2")45,97 €+VATOut of Stock View
RAM Mounts Square Post Clamp Base for Posts up to 2.5" Wide, D-Size (RAM-D-247U-25) RAM-D-247U-25D (2.25")AluminumUp to 63.5 mm (2.5")48,37 €+VATOut of Stock View
RAM Mounts Square Post Clamp Base for Posts up to 3" Wide, D-Size (RAM-D-247U-3) RAM-D-247U-3D (2.25")AluminumUp to 76.2 mm (3")44,09 €+VATOut of Stock View
RAM Mounts Square Post Clamp Base for Posts up to 4" Wide, D-Size (RAM-D-247U-4) RAM-D-247U-4D (2.25")AluminumUp to 101.6 mm (4")63,11 €+VATIn Stock
RAM Mounts Steel-Reinforced Square Post Clamp Base for Posts up to 4" Wide, D-Size (RAM-D-247U-4-IN1) RAM-D-247U-4-IN1D (2.25")Aluminum (steel-reinforced)Up to 101.6 mm (4")70,46 €+VATOut of Stock View

Accessories

ProductPrice
RAM Mounts Double Socket Arm, D-Size, Short, 130 mm (RAM-D-201U-C) RAM Mounts Double Socket Arm, D-Size, Short, 130 mmRAM-D-201U-C63,09 €+VATIn Stock
RAM Mounts Double Socket Arm, D-Size, Medium, 214 mm (RAM-D-201U) RAM Mounts Double Socket Arm, D-Size, Medium, 214 mmRAM-D-201U93,10 €+VATIn Stock
RAM Mounts Double Socket Arm, D-Size, Long, 330 mm (RAM-D-201U-E) RAM Mounts Double Socket Arm, D-Size, Long, 330 mmRAM-D-201U-E142,80 €+VATOut of Stock View
RAM Mounts 75 × 75 mm VESA Plate with Ball, D-Size (RAM-D-2461U) RAM Mounts 75 × 75 mm VESA Plate with Ball, D-SizeRAM-D-2461U35,19 €+VATIn Stock
RAM Mounts Round AMPS Plate with Ball, D-Size (RAM-D-254U) RAM Mounts Round AMPS Plate with Ball, D-SizeRAM-D-254U30,06 €+VATIn Stock
RAM Mounts 100 × 100 mm VESA Plate with Ball, D-Size (RAM-D-246U) RAM Mounts 100 × 100 mm VESA Plate with Ball, D-SizeRAM-D-246U42,04 €+VATIn Stock

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