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Streamline 3/8-in Copper Rolled-Stop Coupling

Name: Streamline 3/8-in Copper Rolled-Stop Coupling
Brand: Streamline
SKU: 5004010553
Price: 1.98 USD
Availability: InStock
Rating: 4.7 (212 reviews)

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4.7

212

Diameter (End 1): 3/8-in

Pickup

Unavailable

Shipping

Wed, Oct 7

204 available

Delivery

Tomorrow

31 available

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Streamline® Copper solder-joint Fittings for supply/pressurized systems have been the leading brand of copper fittings for over 80 years. Available in both wrot copper and cast bronze, our product selection has grown to become the most extensive in the industry. We are the acknowledged experts at engineering and manufacturing precision solder-joint copper fittings. Quality, consistency and reliability have made the Streamline® brand trusted and specified all around the world.

Wrot copper couplings connect two copper pipe together
Rolled stop prevents the tube from following through the fitting
Built from 99.9% pure copper for a long and durable product life
For use in above-ground potable water supply systems
Constructed of high-grade copper in compliance with UNS C12200
Conform to the NSF/ANSI 61 annex G
Made to applicable ASME standards B1615, B1618, B1622, B1624, B1650, B1201
700 PSI maximum pressure rating
Copper is a lead-free material that is safe to interact with and use for potable water

General
Color/Finish Family	Copper	Material	Copper
Type	Fitting	Maximum Working Temperature (Fahrenheit)	250
Pipe Type	Type L	Fitting Type	Solder
Connection Type (End 2)	Cup (Solder)	Sub Type	Coupling
Connection Type (End 1)	Cup (Solder)	Package Quantity	1

Dimensions
Diameter (End 2)	3/8-in	Diameter (End 1)	3/8-in

Features
Minimum Working Temperature (Fahrenheit)	-40	Permanent or Removable	Permanent
Maximum Working Pressure (PSI)	594

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 Warning(S)	Complies with Federal Lead Guidelines	Yes
Safety Listing	NSF safety listing

Warranty
Warranty	1-year limited

Miscellaneous
UNSPSC	40171500

Check out the Best Selling Copper Pipe & Fittings on Lowes.com

Review

4.7 out of 5

212 Reviews

2 Star

93% Recommend this product

Ratings may include incentivized customer reviews.

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What Customers Are Saying

Customers overwhelmingly praise these copper pipe couplings for reliable performance, precise fit, and durable construction. The built-in stop feature ensures proper alignment during soldering and prevents over-insertion. Reviewers consistently report snug fits, leak-free connections, and straightforward installation. The couplings are described as well-formed, free of defects, and manufactured to consistent standards. Most customers note they slide onto pipes easily and solder without issue. A few mention sizing terminology confusion between inner and outer diameter, and some note adhesive residue on labels. Overall, customers consider these dependable, quality fittings that perform as intended.

Customer review summary generated by AI, including incentivized reviews.

212 Customer Reviews

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works perfect just the right size

wife bought these to work and connect her macrame

RickSeptember 13, 2026
From 1_SLASH_2-in Copper Rolled-Stop Coupling Verified Purchaser

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COMPARE PRODUCTS

		Name	Current Item Streamline3/8-in Copper Rolled-Stop Coupling
		Ratings	212
		Material	Copper
		Type	Fitting
		Connection Type (End 1)	Cup (Solder)
Streamline3/8 In. 90 Deg Copper Ell C X C	Streamline3/8-in x 2-ft Copper Type L Pipe	NIBCO1/2-in x 3/8-in Copper Reducing Coupling	Streamline1-in x 3/4-in Copper Reducing Coupling	Streamline1-in x 3/4-in Copper Reducing Coupling	Streamline3/4-in x 1/2-in Copper Fitting Reducer	Streamline1/2-in x 6-in Copper Repair Coupling	Streamline1-in x 1/2-in Copper Reducing Coupling	Streamline1-in Copper No-Stop Coupling
11	274	17	30	15	14	32	24	18
Copper	Copper	Wrot copper	Copper	Copper	Copper	Copper	Copper	Copper
Fitting	Pipe	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting	Fitting
Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)	Cup (Solder)