BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings
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BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe FittingsBSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings

BSP Brass Reducing Hexagon Bush — Male to Female Thread Pipe Fittings

HomeDIYer
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By HomeDIYer®

Price:
$2.30 USD
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In stock (500 units), ready to be shipped

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Description

 

BSP Brass Reducing Hexagon Bush — Reliable Male-to-Female Thread Reduction for Pipe Systems

When you need to step down from a larger pipe thread to a smaller port — without adapters stacking up or leaks developing at the joint — a properly sized BSP brass reducing hexagon bush is the straightforward solution. Plumbers, HVAC technicians, irrigation installers, and DIY homeowners rely on these compact fittings to connect mismatched thread sizes cleanly and securely in water, air, and fluid systems.

Each piece is a solid brass hexagon bush with a male BSP thread on the outside (larger diameter) and a female BSP thread on the inside (smaller diameter). Available in a wide range of size combinations from 1/8" male × 1/8" female up to 2" male × 1-1/2" female, covering the most common reducing steps used in residential and light commercial plumbing. The hex body provides flat wrench surfaces for controlled installation without slipping.

Typical use cases include reducing a 3/4" BSP supply line down to a 1/2" BSP valve inlet, stepping a 1" BSP manifold port to a 3/8" BSP instrument connection, and adapting 1-1/4" or larger mains pipework to smaller branch fittings — all common scenarios in home plumbing upgrades, workshop air systems, and garden irrigation setups.

🔗 Thread Standard: BSP (British Standard Pipe) — parallel thread (BSPP / G-thread). Not directly compatible with NPT tapered threads. Verify your system's thread standard before ordering.

✅ Key Features of These BSP Brass Reducing Hexagon Bush Fittings

  • 🔩Solid Brass Construction — Machined from brass bar stock for durability in water, air, and mild fluid service; resists corrosion better than steel in damp environments.
  • 📐Hex Body for Wrench Grip — Six-sided hex profile allows a standard open-end wrench to seat fully, giving you controlled torque without rounding or slipping during installation.
  • 🔄Wide Size Range — Available in 24 male-to-female size combinations from 1/4" × 1/8" up to 2" × 1-1/2", covering the most common BSP reducing steps in one product line.
  • ⚙️BSP Parallel Thread Profile — Machined to BSP (BSPP/G) thread standards for consistent fit with BSP-threaded valves, manifolds, pumps, and pipe fittings used in plumbing and industrial systems.
  • 🏠Versatile Application Range — Suitable for domestic water supply, compressed air lines, hydraulic systems, and garden irrigation where a male-to-female thread reducer is needed.
  • 📦Compact, Ready-to-Install Design — The bush profile keeps the fitting short and low-profile, minimizing added length in tight spaces where a standard nipple-and-socket combination would not fit.

📐 Technical Specifications — BSP Brass Reducing Hexagon Bush

Product Type Reducing Hexagon Bush
Thread Standard BSP — British Standard Pipe (Parallel / BSPP / G-thread)
Material Brass
Male Thread Sizes Available 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" BSP
Female Thread Sizes Available 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2" BSP
Drive / Installation Tool Open-end or adjustable wrench (hex body)
Finish Natural brass (unlacquered)
Typical Working Pressure See variant options — generally up to 200 PSI for water/air at ambient temp; contact us to confirm for your application
Sealing Method Face seal with washer/O-ring (BSPP); or PTFE tape on thread (BSPT) — verify your system type
Quantity per Order 1 piece (1pcs)
Country of Origin Contact us to confirm
⚠️ Size Note: BSP thread sizes are nominal, not actual OD measurements. For example, a "1/2\" BSP" male thread has an actual OD of approximately 20.9mm (≈0.82"). If you are unsure of your thread size, use a thread gauge or contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right size BSP reducing bush for my application?

Measure the male (larger) thread on your pipe or fitting and the female (smaller) port you need to connect to. BSP sizes are nominal — for example, a 1/2" BSP male thread has an actual OD of approximately 20.9mm (≈0.82"). Match the Male (M) size to your pipe and the Female (F) size to your receiving port. When in doubt, use a thread gauge or contact us to confirm.

What pressure rating do these brass reducing bushes typically handle?

Brass BSP fittings of this type generally handle working pressures up to 200 PSI (≈14 bar) in water and air service at ambient temperatures. Actual ratings depend on size, wall thickness, and the medium being conveyed. For high-pressure or steam applications, please contact us to confirm suitability.

Are these fittings 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. For highly corrosive environments or salt-spray exposure, stainless steel fittings are typically recommended instead.

What thread standard do these fittings use — BSP or NPT?

These fittings use BSP (British Standard Pipe) threads, which are parallel (BSPP/G-thread). BSP and NPT threads are not directly interchangeable — NPT is tapered while BSPP is parallel. Always verify the thread standard of your existing fittings before ordering.

Do I need thread sealant or PTFE tape with these fittings?

For BSPP (parallel) threads, a sealing washer or O-ring is typically used at the mating face rather than PTFE tape on the threads. If your application uses BSPT (tapered BSP), PTFE tape or thread sealant compound is generally recommended. Check your system's requirements before assembly.

What tool do I need to install a hexagon bush?

The hex body is designed for a standard open-end or adjustable wrench. Select a wrench sized to the hex flat-to-flat dimension of the fitting. Avoid pipe wrenches on the hex body, as they can damage the flats. Hand-tighten first, then apply a final quarter-turn with the wrench.

Can I use these fittings for gas lines?

Brass fittings are commonly used in low-pressure gas applications in many regions, but gas line suitability depends on local codes, gas type, and pressure. Always verify compliance with your local plumbing and gas codes before installation. Contact us if you need further guidance.

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

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