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
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
Roll over image to zoom in Click on image to zoom
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 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
No reviews

By HomeDIYer®

Price:
$4.56 USD
Stock:
In stock (500 units), ready to be shipped

Payment & Security

Ach Direct Debit Amazon American Express Apple Pay Bancontact Diners Club Discover Google Pay iDEAL Wero Mastercard PayPal Shop Pay USDC Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Quantity Discount Promotion
🎯 BULK DISCOUNT: Buy More, Save More!
Buy 2 Items
5% OFF
Buy 4 Items
10% OFF
Buy 6 Items
15% OFF
✅ Auto-discount • 🔄 Mix & match
Expert

DIY Expert Support

Get fitment advice & recommendations

Mon-Fri, 8:30AM-8PM
WhatsApp WhatsApp Email
⚡
24-Hour Fast Ship
🚚
Arrives in 3-14 days
🌍
Global Reach
↩️
30-Day Returns
🌱 1 tree planted with every purchase

Description

 

BSP Brass Reducing Hexagon Bush — Reliable Male-to-Female Thread Reduction for Plumbing & Hydraulic Systems

When your pipe system calls for a step-down connection between two different thread sizes, a mismatched fitting can mean leaks, downtime, and costly repairs. Whether you're a plumber retrofitting an older system, a DIYer building a compressed air line, or a technician maintaining hydraulic equipment, having the right BSP brass reducing hexagon bush on hand makes the job clean and straightforward.

Each fitting is a solid brass hexagon bush machined with a male BSP thread on the larger end and a female BSP thread on the smaller end, allowing you to reduce from one pipe size to another within a single compact body. Available in a wide range of size combinations — from 1/4" × 1/8" (M6 × M3 nominal) up to 2" × 1-1/2" — these bushes cover the most common reduction steps used in residential, commercial, and light industrial plumbing. The hexagonal body profile accepts a standard wrench for secure, controlled installation without slipping.

Typical applications include reducing BSP tee or elbow ports to accept smaller-diameter gauges or sensors, stepping down supply lines in compressed air manifolds, and adapting legacy pipe runs to modern fittings in heating and cooling systems. The compact hex-body design also makes these bushes a go-to choice for tight-space installations where a full coupling or union would not fit.

🔗 Thread Standard: BSP (British Standard Pipe). These fittings are not directly compatible with NPT threads. If your system uses NPT, a BSP-to-NPT adapter is required.

✅ Key Features of These BSP Brass Reducing Hexagon Bushes

  • 🔩Male-to-Female BSP Thread Design — Reduces pipe diameter in a single fitting, eliminating the need for additional couplings or adapters in your BSP plumbing system.
  • 🔶Hexagonal Body for Wrench Grip — The six-sided profile gives a positive wrench purchase, making installation and removal straightforward even in confined spaces.
  • 🟡Solid Brass Construction — Brass offers natural corrosion resistance, good machinability, and compatibility with water, air, and many hydraulic fluids — a dependable choice for reducing bush fittings.
  • 📐Wide Size Range — Available from 1/4" × 1/8" up to 2" × 1-1/2" BSP, covering the most common male-to-female thread reduction combinations used in residential and light commercial systems.
  • 🏭Versatile Application Compatibility — Suitable for water supply lines, compressed air systems, hydraulic circuits, and low-pressure gas lines (subject to local codes), making these bushes a multi-purpose addition to any fitting inventory.
  • ⚡Compact, Low-Profile Form Factor — The short hex-body length keeps the overall assembly tight, reducing the footprint of your pipe reduction and leaving more room for adjacent components.

📐 Technical Specifications — BSP Brass Reducing Hexagon Bush Fittings

Product Type Reducing Hexagon Bush
Thread Standard BSP (British Standard Pipe)
Thread Configuration Male (larger) × Female (smaller)
Material Brass
Body Shape Hexagonal (wrench-flat)
Available Male Sizes 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" BSP
Available Female Sizes 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1-1/4" BSP
Finish Natural brass (uncoated)
Typical Working Pressure See variant options — generally up to 150–200 PSI for water/air; contact us to confirm for hydraulic use
Quantity per Order 1 piece (select variant for quantity options)
Compatible Media Water, air, hydraulic fluid, low-pressure gas (verify local codes)
Country of Origin Contact us to confirm
⚠️ Size Note: BSP thread sizes are nominal, not actual OD measurements. Always verify thread size with a gauge before ordering if you are unsure. Refer to the variant selector for the full list of male × female size combinations.

❓ 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 first, then measure the female (smaller) port you need to connect to. BSP sizes are nominal — for example, a 1/2" BSP thread has an actual OD of approximately 20.9mm (0.825"). Select the variant that matches your male inlet size (M) and female outlet size (F). When in doubt, use a thread gauge or consult your fitting's documentation.

What pressure rating do these brass reducing bushes typically handle?

Brass BSP hexagon bushes generally handle working pressures up to approximately 150–200 PSI for water and air applications, though the exact rating depends on the size and wall thickness of the specific variant. For high-pressure hydraulic or steam applications, please contact us to confirm suitability before ordering.

Are these fittings suitable for outdoor or corrosive environments?

Brass offers good natural corrosion resistance and is generally suitable for outdoor use in moderate environments. It performs well with water, air, and many non-aggressive fluids. For highly corrosive environments (e.g., salt spray, strong acids), stainless steel fittings are typically recommended instead.

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

These fittings use BSP (British Standard Pipe) threads, which are the standard in the UK, Europe, Australia, and many other regions. BSP threads are not directly compatible with NPT (National Pipe Taper) threads used in North America. If your system uses NPT fittings, you will need a BSP-to-NPT adapter.

Can I use these for gas line connections?

Brass fittings are commonly used in low-pressure gas applications (such as natural gas and LPG) in many countries. However, gas installations are subject to local codes and regulations. Always verify compliance with your local standards and consult a licensed professional before using any fitting in a gas line.

Do I need thread sealant (PTFE tape) when installing these fittings?

Yes. BSPT (tapered) threads generally require PTFE tape or thread sealant compound to achieve a leak-free seal. BSPP (parallel) threads typically rely on a bonded seal or O-ring at the face. Check whether your specific variant uses tapered or parallel threads and apply the appropriate sealant method.

What tool do I need to install a hexagon bush?

A standard open-end wrench or adjustable wrench sized to the hex flats of the bush is all you need. The hexagonal body provides a secure grip point for tightening. Avoid over-tightening, as brass can be damaged by excessive torque — typically hand-tight plus 1–2 turns with a wrench is sufficient for most applications.

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

You may also like

Recently viewed