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RAM® Ball Adapter with 1/2" NPT Hole and Tightening Knob

RAM® Ball Adapter with 1/2" NPT Hole and Tightening Knob - Main image
$43.78 $69.49 In stock

Category: Components

The RAM-330U is a RAM Mounts component that combines a 1.5" diameter ball with a clamp base featuring a hole for 1/2" NPT pipes. A tightening knob is included for securing the base.

  • 1.5" diameter ball (C size)
  • Clamp base with 1/2" NPT pipe hole
  • Includes tightening knob
  • Part of the RAM Mounts components line
  • SKU: RAM-330U
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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Michael C. ★★★★★

The 1.5" ball snapped into my existing mount base with a satisfying click — no wobble at all. It took maybe 30 seconds to tighten the knob down on my pipe. Solid upgrade from the plastic adapter I was using before.

Sophia D. ★★★★★

The tightening knob makes it really easy to secure the base without needing a separate tool. I used it to mount a tablet arm on a metal pipe in my workshop and it hasn’t budged at all.

Jason ★★★★★

The ball sits snugly in the clamp base after I tightened the knob, and the 1/2" NPT hole threaded onto my pipe mount without any wobble. It’s solid enough that I don’t worry about it shifting mid-use.

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