RAM 1/4"" NPT Female Threaded Hole Base with 1"" Ball

The RAM-B-218-1U consists of a 1" ball and 0.25" NPT female thread. This part connects to any 0.25" NPT male thread, including RAM-PF-585-X flex arm series mounts and RAM-PA54XX rigid arm series mounts.

Universal Compatibility: Connects to any 1/4" NPT male thread, including RAM's flex and rigid arm series.

Durable Construction: Made from powder-coated marine-grade aluminum for longevity and corrosion resistance.

B Size Ball: Features a 1" rubber ball compatible with RAM's B size socket arms and accessories.

Lightweight Design: Weighs approximately 0.1 lbs, ensuring minimal added weight to your setup.

Versatile Applications: Ideal for mounting devices in marine, automotive, and industrial environments.​

Shipping

• Orders ship within 1 business day (Mon–Fri).
• Most U.S. orders arrive in 2–5 business days.
• Expedited options are available at checkout.
• Tracking is emailed as soon as your order ships.
• International orders may incur duties or taxes.
  

Returns

• 30-day return window on most new, unused items.
• Items must include all original packaging and accessories.
• Damaged, used, or incomplete returns may incur a restocking fee.
• Defective or incorrect items? Contact us within 7 days for a free replacement.