RAM® 1/2" NPT Female Threaded Hole with Ball

Name: RAM® 1/2" NPT Female Threaded Hole with Ball
Brand: RAM Mounts
SKU: RAM-218-1U
Price: 15.83 USD
Availability: InStock
Rating: 5.0 (5 reviews)

RAM® 1/2" NPT Female Threaded Hole with Ball - Main image

$15.83 ~~$23.99~~ In stock

Category: Components

The RAM-218-1U consists of a 1.5" ball and 0.5" NPT female thread. This part connects to any 0.5" NPT male thread, including RAM-PA82xx rigid arm series mounts.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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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)

Stella M. ★★★★★ Oct 23, 2026

The 0.5" NPT female thread fit perfectly onto my existing arm mount base, and the 1.5" ball locks in place with zero wobble. Exactly the solid connection I was hoping for.

Violet D. ★★★★★ Oct 22, 2026

I needed a solid NPT adapter for my rigid arm setup, and the 0.5" female threading threaded on perfectly without any wobble. The 1.5" ball held my device steady even on bumpy roads.

Eva X. ★★★★★ Oct 21, 2026

The ball swivels smoothly on my mount and the 1/2" NPT threading cut cleanly into my existing setup without any adapter hassle. It feels like a quality piece that will last through rougher terrain.