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🎉 15% OFF ACTICHEM products – Code: ACTICHEM15

BAR Stainless Steel 1/4" Quick Connect Plug Female NPT

SKU 125 85.300.101S B
By: B.A.R
Original price $18.00 - Original price $18.00
Original price
$18.00
$18.00 - $18.00
Current price $18.00
Availability: 3 in stock ready to be shipped or picked up
Colour: Stainless Steel

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Delivery Options:

→ Pickup available at: 208 Princes Highway, Arncliffe.
→ Same day delivery within Sydney, Australia.
→ We ship nationwide.

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BAR Stainless Steel 1/4" Quick Connect Plug (Female NPT) – Pressure Cleaning Couplings

Guarantee absolute structural integrity and create indestructible, watertight connections across your industrial washing rig with the premium BAR Female Plug SS QC to 1/4 FNPT. In the heavy-duty commercial pressure washing industry, standard brass fittings wear down rapidly from the constant friction of snapping lances and hoses together hundreds of times a day. This elite quick-connect fitting is precision-machined from ultra-hard, commercial-grade stainless steel. It easily withstands the brutal mechanical wear, massive hydraulic pressure spikes, and harsh chemical exposure that instantly destroy cheaper alloy metals, ensuring your tools remain firmly locked together.

Engineered for seamless integration into professional setups, this specialized adapter functions as a Quick Connect Plug (the male nipple profile) on one end, and features a 1/4-inch Female National Pipe Thread (FNPT) on the other. This allows operators to easily screw it onto any 1/4" Male NPT pipe, lance, or trigger gun, instantly converting it to accept standard 1/4" quick-release couplers. Whether you are building a custom soft-wash rig, upgrading your foam cannons, or repairing heavy-duty wash bay equipment, these essential pressure cleaning couplings deliver unparalleled, rust-proof commercial longevity.

Who Is This Stainless Steel QC Plug Ideal For?

The BAR Stainless Steel 1/4" Plug delivers extreme durability and chemical resistance. It is highly recommended for:

  • Commercial Pressure Washers: Upgrading their mobile washing rigs with stainless steel quick-connect fittings to completely eliminate the risk of worn brass plugs blowing out under 4000+ PSI pressure.
  • Automotive Detailers: Screwing this plug onto their delicate snow foam cannons and short trigger guns to allow for lightning-fast, secure accessory changes during busy detailing shifts.
  • Industrial Wash Bay Operators: Relying on the extreme chemical resistance of stainless steel to survive constant exposure to highly corrosive truck washes and heavy-duty alkaline degreasers without rusting.
  • Appliance Repair Technicians: Keeping a bulk supply of premium pressure cleaning couplings on hand to professionally build, adapt, and repair custom high-pressure lines for clients.

Key Features and Performance Benefits:

  • Premium Stainless Steel Construction: Vastly superior to brass. Stainless steel (SS) is incredibly hard, meaning the locking lip will not wear down over time. It provides a secure, blowout-proof connection for life.
  • 1/4" Female NPT Thread: The base features standard 1/4-inch internal screw threads (FNPT). This allows you to securely screw the plug onto any 1/4" male threaded pipe or pressure washer accessory.
  • 1/4" Quick Connect Profile: The tip features the absolute industry standard 1/4-inch Quick Connect 'Plug' profile, guaranteed to snap securely into any standard commercial 1/4" female QC coupler.
  • 100% Rust & Corrosion Proof: Completely immune to oxidation. This makes it the ultimate, safe choice for marine environments, hot water extraction, and high-concentration chemical injection lines.
  • Extreme Pressure Rating: Forged from a solid block of steel to easily handle the brutal hydraulic pressure spikes associated with heavy-duty commercial petrol and diesel pressure washers.

Technical Specifications & Compatibility:

  • Brand: BAR
  • SKU: 125 85.300.101S B
  • Product Type: Quick-Connect Fittings / Pressure Cleaning Couplings
  • Material: High-Grade Stainless Steel (SS)
  • QC Profile: 1/4 Inch Quick Connect Plug (Male Nipple)
  • Thread Size: 1/4 Inch Female NPT (FNPT)
  • Application: Adapting threaded wands, guns, and accessories to quick-release systems.

Dispatch: Items marked as “In stock” or “Ready to be shipped” are usually dispatched within 1 business day after payment is received. If an item is not in stock and ordered from our supplier, please allow 3–5 business days for processing before it is ready for delivery or pickup. All standard delivery options still apply.

Shipping: Delivery costs are calculated at checkout based on your location and order size. Bulky items and chemicals may attract additional freight charges and cannot be sent to PO Boxes.

Delivery: Parcels are delivered by road freight. Authority to leave may be used if no one is available to receive the order. For full details, please see our Shipping & Delivery Policy

Business days to delivery

NSW
City 1 Day
VIC
Melbourne 1 Day
Regional 3–4 Days
QUEENSLAND
Brisbane 1–2 Days
Regional 3–4 Days
SOUTH AUSTRALIA
Adelaide 2–3 Days
Regional 4–5 Days
NORTHERN TERRITORY
All Areas 4–6 Days
WESTERN AUSTRALIA
All Areas 4–6 Days
TASMANIA
All Areas 4–6 Days
What is a 'Plug' in pressure washer terminology?

In quick-connect terminology, the 'Plug' is the male half of the connection (the metal nipple with the groove). The 'Coupler' is the female half that has the retractable collar and ball bearings to grip the plug.

Why is it called a 'Female' Plug?

It is called a 'Female Plug' because while the quick-connect side is a male plug, the screw-thread side is a Female NPT (internal threads). It is designed to screw onto a pipe that has male threads on the outside.

What does 'FNPT' mean?

FNPT stands for Female National Pipe Thread. It is a standard, tapered engineering thread used specifically in high-pressure fluid and gas plumbing to create an airtight seal when screwed together.

Why is Stainless Steel better than Brass for this part?

Brass is a soft metal. When you constantly snap a brass plug in and out of a steel coupler, the locking groove wears down, eventually causing the plug to blow out under pressure. Stainless steel is incredibly hard and will not wear down, making it vastly safer and more durable.

Will this fit my domestic Karcher or Ryobi pressure washer?

Generally, no. Domestic machines use highly proprietary plastic push-and-twist bayonet fittings. This is a heavy-duty commercial 1/4-inch Quick Connect fitting designed for industrial petrol and electric washers.

Do I need to use thread tape on the NPT threads?

Yes, absolutely. Because NPT threads are tapered metal-on-metal connections, you must wrap plumbers Teflon tape (thread seal tape) around the male pipe threads before screwing this female plug onto it to ensure it doesn't leak under high pressure.

Can this fitting handle hot water?

Yes. Stainless steel is exceptionally resilient to extreme temperatures, making this fitting completely safe for use with commercial hot water extractors and steam pressure washers.

What would I use this fitting for?

The most common use is screwing this onto the bottom of a spray lance or a foam cannon that only has male screw threads. This instantly converts that accessory so it can be 'snapped' into a quick-release trigger gun.

Will this rust if I leave it outside?

No. Because it is manufactured from high-grade commercial stainless steel, it is completely immune to rust and corrosion, even when constantly exposed to water and weather.

Is it safe to use with heavy-duty cleaning chemicals?

Yes. Stainless steel is highly resistant to the corrosive effects of harsh alkaline degreasers, truck wash detergents, and acid-based aluminum brighteners, unlike brass which can turn green and corrode.

How do I connect this to my machine?

Once you have screwed this plug onto your accessory, you pull back the outer collar on your pressure washer's 1/4-inch female coupler, push this plug inside, and release the collar. The internal ball bearings will lock it firmly into place.

Do you offer trade pricing for mobile wash businesses?

Yes, Freshway Supplies provides highly competitive volume pricing and trade accounts for automotive detailers, commercial cleaners, and industrial plumbers. Contact us to establish your trade account for spare parts.

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