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Pasco 4511 1/2″ IPS Thread & Nipple Internal Key

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Metal nipple removal tool.
Metal nipple removal tool.
Metal nipple removal tool.
Metal nipple removal tool.

chat iconWHAT OUR CUSTOMERS SAY…

“Recently I purchased a rebuild kit for my American Standard R series bathtub faucet. I want to say thank you for carrying this product. The rebuild kit worked beautifully and I was able to save the original look and feel of our 1957 bathroom. Thank you! ”
-Adam T
04/11/2024

$39.27

 

The Pasco 4511 is an internal nipple wrench (or internal nipple key) designed for 1/2-inch IPS (Iron Pipe Size) plumbing applications. It is used to install, loosen, or tighten pipe nipples and to remove broken threaded pieces from within fittings without damaging external finishes like chrome.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, asknoel@noelsplumbingsupply.com, or via the text widget on this screen.

SKU: 52451 Categories: , Tag:

The PASCO 4511 Internal Nipple Wrench (1/2″ IPS) is a time-saving plumbing tool engineered for homeowners and DIYers tackling tough bathroom or kitchen repairs. Whether you are replacing a broken shower arm, removing frozen fittings, or working on delicate chrome fixtures, this internal pipe wrench bites hard from the inside so you can complete your project without scratching finished surfaces.

 

4511

 

  • It is engineered to expand or grip internally against the inside walls of a pipe or fitting.
  • Made from precision-machined, hardened alloy steel or heavy-duty brass construction to ensure durability under high torque.

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

chat iconWHAT OUR CUSTOMERS SAY…

“This place is amazing. I live in San Antonio, Texas and there are a few plumbing stores with vintage parts but they never have what I need and the ordering process takes them weeks. I found a rare part at Noels by reverse image search but they will do it for you. I've used them 3 times. Their agents are knowledgable and polite. They will find you the same part or the after market part and get you going on your way. They have 2-3 day shipping. My house was built in the 30's and they know exactly what the after market parts are that I need. I save money and time going to them. I sure wish they were in San Antonio! I will just go directly to Noel's next time - they are LEGENDS! ”
-BP W.
06/21/2026
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