The Camera Exchange

ProMaster Professional Double Stud 1/4-20m to 3/8m Brass

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ProMaster Professional Double Stud 1/4-20m to 3/8m Brass - Main image
$6.71 $8.95 In stock

Category: Studs Receptors & Pins

The ProMaster Professional Double Stud is a small adapter piece for connecting camera and support gear that uses different thread sizes. It features a 1/4-20 male thread on one end and a 3/8 male thread on the other, letting you bridge the two common mounting standards.

  • 1/4-20 male thread on one end
  • 3/8 male thread on the other end
  • Brass construction as stated in the product name
  • Double stud design for joining mismatched threaded fittings
  • Part of ProMaster's Professional line of studs, receptors, and pins
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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)

Jason T. ★★★★★

I've been hunting for a solid adapter to connect my video head to a light stand, and this brass double stud fits perfectly without any wobble. The threading is smooth and engages cleanly on both ends, which saves me time swapping gear on set.

Evelyn ★★★★★

The 1/4-20 to 3/8 thread conversion is perfect for my tripod plate—the brass feels durable and the threads engage smoothly without any wobble. It's a small piece but it solved my connection issue instantly.

Timothy H. ★★★★★

Finally, a solid brass adapter that actually fits snugly instead of wobbling. The dual 1/4-20 and 3/8 threads let me switch between my camera plate and a heavier tripod head without hunting for a second piece. Slight scuff came off the finish after a few uses, but the threads still engage butter-smo