BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes
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BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple SizesBSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes

BSP Brass Pipe Adapter — Female to Male Thread, Hex & Octagon Body, Multiple Sizes

HomeDIYer
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By HomeDIYer®

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$2.98 USD
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In stock (500 units), ready to be shipped

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Description

BSP Brass Pipe Adapter — Reliable Female-to-Male Thread Reducer for Plumbing & Hydraulic Systems

When two pipes don't share the same thread size or you need to extend a run without replacing existing fittings, a mismatched connection becomes a real headache — leaks, wasted time, and costly rework. DIYers, plumbers, and maintenance technicians who work with BSP pipe systems need a dependable female-to-male thread adapter that installs quickly and holds tight under pressure.

Each adapter is machined from solid brass and features a female BSP thread on one end and a male BSP thread on the other, allowing you to connect or reduce between common pipe sizes including 1/2", 3/4", and 1" BSP. Body styles are available in both Hex (6-sided) and Octagon (8-sided) profiles, with shank lengths ranging from 28mm (≈1-1/8") to 100mm (≈3-15/16"). Available in packs of 1, 2, or 5 pieces to suit single repairs or larger projects.

These BSP brass thread adapters are well suited for residential and light commercial plumbing repairs, compressed air distribution lines, hydraulic system maintenance, and irrigation system connections — anywhere a reliable BSP female-to-male reducer is needed to join or extend pipe runs.

🔵 Thread Standard: BSP (British Standard Pipe) — BSPP (parallel) or BSPT (tapered) depending on variant. Not compatible with NPT threads. Confirm your existing fittings are BSP before ordering.

✅ Key Features of These BSP Brass Female-to-Male Thread Adapters

  • 🔩Solid Brass Construction — Machined from brass for good corrosion resistance in water, air, and mild fluid applications, with a longer service life than zinc or pot-metal alternatives.
  • 📐Multiple Size Combinations — Available in 1/2", 3/4", and 1" BSP female-to-male configurations, covering the most common pipe sizes used in residential and light commercial plumbing.
  • 🔧Hex & Octagon Body Options — Choose a 6-sided hex body for standard wrench access or an 8-sided octagon body for more grip positions in tight spaces — both tighten securely with common hand tools.
  • 📏Wide Length Range — Shank lengths from 28mm (≈1-1/8") to 100mm (≈3-15/16") let you bridge gaps of different depths without cutting or re-threading existing pipe.
  • 🛒Flexible Pack Quantities — Order 1, 2, or 5 pieces per variant so you can buy exactly what you need for a single repair or stock up for ongoing maintenance work.
  • ⚙️Wrench-Ready Flat Faces — The machined flat faces on both hex and octagon bodies provide clean, slip-free contact for a torque wrench or open-end wrench, reducing the risk of rounding during installation.

📐 Technical Specifications — BSP Brass Female-to-Male Thread Adapter

Product Type BSP Female-to-Male Thread Pipe Adapter / Reducer
Material Brass
Thread Standard BSP (British Standard Pipe)
Female Thread Sizes 1/2", 3/4", 1" BSP
Male Thread Sizes 1/2", 3/4", 1" BSP
Body Style Hex (6-sided) or Octagon (8-sided) — see variant options
Shank Length Range 28mm (≈1-1/8") – 100mm (≈3-15/16") — see variant options
Pack Quantity 1 Pc / 2 Pcs / 5 Pcs — see variant options
Finish Natural brass (uncoated)
Typical Working Pressure See variant options or contact us to confirm
Compatible Fluids Water, air, mild hydraulic fluids (confirm for gas or chemical use)
Country of Origin See variant options or contact us to confirm
⚠️ Not sure which size you need? Check the thread size stamped on your existing fitting or measure the outer diameter of the male thread and compare to BSP thread charts. When in doubt, contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right length for my BSP brass adapter?

Measure the gap between your two pipe ends or fittings. The adapter length (e.g., 28mm ≈ 1-1/8" or 100mm ≈ 3-15/16") should bridge that gap without putting stress on the threads. When in doubt, choose a slightly longer adapter — you can always use a union or offset, but a short adapter cannot be extended. Check the variant options above for available lengths.

What thread standard do these adapters use?

These adapters use BSP (British Standard Pipe) threads, also known as G threads (parallel) or R/Rc threads (tapered). BSP is widely used in plumbing, hydraulics, and pneumatics across the UK, Europe, Asia, and Australia. It is not directly compatible with NPT (National Pipe Thread) used in North America without an adapter. Please confirm your existing fittings are BSP before ordering.

How strong are these brass adapters — can they handle high pressure?

Brass fittings of this type are generally rated for moderate working pressures, typically up to 150–200 PSI for water and air applications at ambient temperatures. Actual pressure ratings depend on thread engagement, sealant used, and the specific application. For high-pressure hydraulic or steam systems, please contact us to confirm suitability.

Are these adapters suitable for outdoor or corrosive environments?

Brass offers good resistance to corrosion from water, air, and many mild chemicals, making it suitable for most indoor plumbing and light outdoor use. However, brass is not recommended for highly acidic environments, seawater immersion, or ammonia-based fluids. For harsh outdoor or marine applications, stainless steel fittings are generally a better choice.

Do I need thread sealant (PTFE tape) with these adapters?

Yes, in most cases PTFE (Teflon) tape or a thread sealant compound is recommended for a leak-free connection, especially for parallel BSP (BSPP/G) threads. Tapered BSP (BSPT/R) threads can sometimes seal metal-to-metal, but sealant is still advisable for water and air lines. Apply 2–3 wraps of PTFE tape in the direction of the thread before assembly.

What is the difference between the Hex body and Octagon body styles?

Both body styles are functionally equivalent — they connect the same thread sizes and carry the same flow. The difference is the external shape used for tightening: Hex (6-sided) fits standard open-end wrenches and combination wrenches, while Octagon (8-sided) provides more grip positions and is often used in tighter spaces where a full wrench swing isn't possible. Choose based on the tools you have available and the clearance around the fitting.

Can I use these adapters for gas lines?

Brass fittings are generally compatible with natural gas and LPG in many applications, but gas line installations are subject to local codes and regulations. Always verify that the specific fitting and sealant you use are approved for gas service in your jurisdiction. When in doubt, consult a licensed plumber or gas fitter.

🛒 Select your size and length above, then add to cart — ships from our US warehouse.

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