Mutual Screw & Supply

4" Type D Cam & Groove Coupler x Female NPT | Tough-Tite | Aluminum

4" Type D Cam & Groove Coupler x Female NPT | Tough-Tite | Aluminum - Main image
$30.04 $44.17 In stock

This 4" Type D cam & groove coupler is part of the Tough-Tite Basic 8 (camlock) series, manufactured from aluminum. Female cam coupler end with a female NPT threaded port. Connects by hand with no tools required for fast, leak-resistant transfer of materials at low pressure.

Tough-Tite delivers rugged, reinforced, heavier-duty construction that balances strength and value for demanding environments.

  • Brand: Tough-Tite
  • Size: 4"
  • Type: Type D (Coupler x Female NPT)
  • Material: Aluminum
  • Connection: Tool-free cam & groove (camlock)

Note: never use cam & groove fittings for compressed air or steam applications.

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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 (4.8 / 5 · 5 reviews)

Andrew G. ★★★★★

The threading on this 4-inch coupler is clean and consistent, so it screwed onto my NPT pipe without any binding. It’s lightweight but feels solid enough for transferring water, and the cam arms snap shut tight by hand.

William ★★★★★

I was pleasantly surprised at how smooth the threads engaged on my NPT port—no cross-threading worries. The aluminum feels sturdy enough for heavy-duty use, and it connects by hand just as described. Definitely a solid upgrade from my old steel fittings.

Ava T. ★★★★★

The female NPT threading on this camlock coupler is sharp and clean—it threaded onto my pipe with zero binding. Makes a solid connection that I trust for my water transfer setup.