Best Brass Compression Bulkhead Fittings in 2026

Made in the USA

100% Guaranteed

Installs in minutes

【Size】- Female thread: 1/4 NPT taper thread; Male thread: 3/4 inch straight thread. Please confirm that our products are suitable for your project before buying.

【Material】- Made of high quality brass. Durable, smooth and deep internal and external threads, rust proof, easy to connect. More reliable than aluminum or plastic materials.

【Good Sealing 】- 2 pieces 1/4 NPT female x 3/4" straight male brass tank fittings with 4 rubber rings and 4 silicone rings, you can install the o-rings as needed, they can provide better sealing on both sides of the bulkhead without leakage.

If you use Garden Hose Thread, please order B07SC96RWN,and choose 3/4 GHT x 1.

Notice:The thread size on the title is not the fitting's OD,please check the size you need before ordering.

Male thread brass quick connector,female thread inside.Embeded gasket provides strong seal without slipping.

Heavy wall bulkhead is molded of highest impact resistant PVC eliminating possibility of finding hidden cracks when filling aquarium

Stock color is jet black to match acrylic tank backgrounds

All kits contain: bulkhead fitting, gasket, lock nut

1/2" NPT internal thread, both sides can be easily installed 1/2" hose, faucet, pipe fittings, etc.

3/4" GHT garden hose male thread, suitable for any standard 3/4" garden hose fittings.The diameter of the external thread is 1", aRequires 1-1/16 to 1-1/8 inch diameter holes for installation.

Made of brass, its structure is sturdy and has a long service life. Not easy to corrode.

Made in the USA

100% Guaranteed

Installs in minutes

Made in the USA

100% Guaranteed

Installs in minutes

Made in the USA

100% Guaranteed

Installs in minutes

What you will get: package comes with 4 pieces threaded bulkheads for rain barrels, water tanks, or aquariums, spigot and so on, bringing convenience to your daily life

Size information: the double threaded bulkhead fittings are 3/4 inch male and 1/2 inch female thread, which are applicable models fitting for most items; Please check the size before ordering

Quality material: the water tank connector threaded bulkhead is made of quality PVC material, which will not fade, crack, or peel, so it is durable to serve you for a long time, giving you good use feeling

Gasket and nut for air tight seal through bulkhead.

Joywayus female coupler for connecting 1/4" NPT fittings through a bulkhead.

Operating temperatures range from -53 to 121 degrees C (-65 to 250 degrees F).

Made in the USA

Pipe OD - 4.5" (114mm)

Holesaw size: 5" (127mm)

Size & Material: 1/2 inch and qualified PVC,seal gaskets is 4mm thick;please note locking nut is reversed threaded.

How to Install: the PVC Bulkhead Fitting is drill 1-3/8 inch or 1-1/2 inch hole to instal. Assemble the bulkhead and hose adapter together.

Durable: will not crack, fade, or peel.The bulkhead fitting with a thick silicone seal gasket will creates a better tight seal.

【Size Information】: The double threaded bulkhead fittings are 1 inch G male and 1 inch G female thread(Bulkhead OD: 44.6mm).

【Included】2Pcs bulkhead adapter and 2Pcs plugs.

【Durable】:Material:ABS.This bulkhead fittings will not fade, crack, or peel.

Durable material: The bulkhead water tank fitting is made of high-quality PVC material, which is not easy to fade, peel or crack, durable and longer lasting compared with standard plastic bulkhead fittings

Easy to install: You need to drill about 25-26mm hole for installation, and then assemble the Water Tank Connector and plug connector together, cover the plug to prevent dirt and dust from entering the water tank and keep it clean

Function: The lock nut is reverse threaded, and the bulkhead fitting with a thick silicone seal gasket will create a better tight seal. Keep your bucket with fresh rain water season after season and can also drain the bottom of the tank impurities

3/4" NPT Female thread. 1" Straight Male thread.Thread is smooth without burr.

Made of brass. Not easy to corrode. Even if used for a long time, it will not rust.

Threaded connection. Provide tighter connection. Easy installation without complex tools. Can be connected with faucet and other pipe fittings.

Product Type: Bulkhead Water Tank Connector, suitable for installation in water tanks, water towers, buckets, fish tanks, etc.

Product material: Made of ABS, with good impact resistance, heat resistance, will not fade, peel and crack, can be used for drinking water.

Sealing: Threaded connection and embedded gasket form a tight seal, not easy to slip and leak.

【Durable 3/4" Male 1/2" Female Bulkhead Fitting】Our bulkhead fitting is made of high-quality PVC, equipped with 2 rubber rings for better sealing, which is colorfast, has no crack, and no peel as well as lasts longer than ordinary plastic fittings.

【Efficient Water Tank Connector Fitting】The bulkhead fitting adapter is made of high-quality PVC, which is colorfast and durable. Bulkhead fitting comes with a silicone seal gasket for better sealing performance. Keep your bucket with fresh rainwater season after season and can also drain the bottom of the tank impurities.

【What You Get】4 pcs 3/4" male 1/2" female bulkhead fitting and 8 pcs thick silicone seal gaskets. It can be very convenient for your daily life. You can share these good tools with your family and friends.（Please confirm the size before ordering！）

Package Include: 2 pieces 1/2 inch PVC bulkhead water tank connectors with plugs, great for water tanks, rain barrels, aquariums, tubs, pools, etc.

Material: made of high quality PVC, strong and sturdy, will not crack, fade, or peel for long lasting.

Size: 1/2 inch female bulkhead adapter and 1/2 inch male plugs, the outer diameter of the adapter is 1.5 inches, drill a 1.5 inch (38mm)hole to install.

Female thread - 1/4" NPT thread(1/2" Diameter); Male thread - 1/2 inch straight thread(3/4" Diameter).Fit min 0.75" diameter hole.

Quality solid brass which is sturdy and resistant to temperature, rust and abrasion.

Come with metal wave ring and black gasket for good sealing without slipping.

Bulkhead adapter for connecting two tubes through a tank wall

Female NPT threads for connecting to male threaded tubes

CPVC for better heat and corrosion resistance than PVC

Size:1/4" NPT female thread to 1/2" BSP male thread; 1-1/2"(38mm) over length; 1.3"(32.2mm) thread length; Fit min 21mm/0.826" diameter hole.

Material: made of 304 stainless steel for high strength and resistance to corrosion. Long service life.

Temperature & Pressure: -868 to 1472 degrees F/-500 to 800 degrees C for temperature range; 2800PSI for max working pressure.

Made of PVC, good corrosion resistance tough and not crack, or peel.

Package includes: 1 Pcs 2 inch Bulkhead Fitting with 4 mm thick silicon seal gasket.

Used for water towers,water barrel, water inlets, water outlets and etc.

High Quality Material: Made of high-quality PVC material, which is not easy to fade, peel or crack, durable for a long time compared with standard plastic bulkhead fittings.

Easy to install: The PVC Bulkhead Fitting is drill 3/4 inch hole to instal,then assemble the water tank connector and plug connector together, Please turn the plug counterclockwise.

Unique Design: The lock nut adopt reverse threaded, and the bulkhead fitting with a thick silicone seal gasket will create a better tight seal. This helps you get rid of impurities at the bottom of the barrel.

1/2" Female bulkhead connector for water tank, water inlet and outlet, and self-made water storage barrels.

Bulkhead OD 25mm, suitable for about 25mm ID hole.

Can be mounted in water tanks, water towers, water inlets and outlets, self-made water storage buckets, rain buckets, and can also be used in various pipes, hoses, pipe fittings or faucets. Bulkhead design to make the fitting easy through holes without leakage.

Made from high strength, corrosion resistant carbon steel

Perfect for securing a bulkhead fitting