The Camera Exchange

ProMaster Tripod Thread Adapter – 3/8” to 1/4” 5 Pack

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ProMaster Tripod Thread Adapter – 3/8” to 1/4” 5 Pack - Main image
$7.77 $10.95 In stock

Category: Conversion Adapters

Converts a standard 1/4-20 thread size to a larger 3/8-16 thread size. Ideal for mounting tripod heads or large ball mounts to a standard 1/4-20 mount.

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Standard 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)

Robert L. ★★★★★

I was pleasantly surprised the threads are machined precisely enough that there's zero wobble on my heavy ball head. Having five in a pack means I can leave them on my quick-release plates permanently without worrying about running out.

Madison Y. ★★★★★

I've been swapping these between my ball head and quick-release plates all week—the threads cut cleanly every time. Having five in the pack means I can keep one on each tripod setup without hunting for a loose adapter.

Steven K. ★★★★★

Finally, a pack of adapters that actually fit snugly without wobbling. I used one to mount a heavy ball head onto my travel tripod and it held perfectly stable. No stripped threads or frustrating looseness—just a solid connection every time.