Nelson Photo & Video

Kupo 3/8"-16 to 1/4"-20 Male Thread Adapter

Kupo 3/8"-16 to 1/4"-20 Male Thread Adapter - Main image
$7.45 $10.95 In stock

Category: Support hardware

The Kupo 3/8"-16 to 1/4"-20 Male Thread Adapter provides a reliable way to join equipment that uses different standard thread sizes, making it a useful addition to any photo or video setup.

  • Male threads on both ends: 3/8"-16 and 1/4"-20 for secure connections.
  • Compact design fits easily into tight mounting locations.
  • Enables seamless integration of accessories that require either thread size.
  • Compatible with a wide range of photography and video support hardware.
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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 (4.6 / 5 · 5 reviews)

Joseph F. ★★★★★

This little adapter fits perfectly into my C-stand’s receiver and holds my monitor arm securely; the threads feel machined and catch smoothly without any wobble.

Chloe ★★★★★

The threads on this adapter are machined cleanly and it screws on without any wobble. I used it to mount a monitor arm to a light stand and it held firm under the weight. Solid little piece of hardware.

Henry J. ★★★★★

Finally, an adapter that actually fits snug without any wobble — the threading on this one is precise and easy to screw on. I used it to mount a fluid head on a light stand, and it held solid through a whole shoot. Exactly what you need for bridging 3/8" and 1/4" gear without fuss.

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