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- Garden Tap Connector - M30 x 1.5 Metric - Suitable for Metric Thread Taps - Farmers Tap - Large Outside Tap
Garden Tap Connector - M30 x 1.5 Metric - Suitable for Metric Thread Taps - Farmers Tap - Large Outside Tap
Garden Tap Connector - M30 x 1.5 Metric - Suitable for Metric Thread Taps - Farmers Tap - Large Outside Tap
M30x1.5 METRIC BRASS TAP CONNECTOR FOR FARMERS TAPS & LARGE OUTSIDE TAPS
Have you tried a 7/8 BSP connector and it does not fit? You turn it on by hand, seems to fit and then binds after a turn or two?
Most large agricultural and farmers taps (often stamped “3/4” on the body) actually have a 7/8 BSP thread. However, in some cases this does not fit - if this happens to you then you need a metric M30 connector
This RoBox Design M30x1.5 Garden Tap Connector is the solution. It has an internal M30x1.5 female thread that screws directly onto your tap’s male M30 outlet. The other end features a robust hose quick connector with O-ring seal, allowing you to connect any standard UK garden hose quickly and securely.
IF IN DOUBT, SELECT THE 7/8 CONNECTOR AS THIS IS BY FAR THE MOST POPULAR SIZE Garden Tap Connector - 7/8 BSP - Suitable for Farmers Tap
FARMERS TAP METRIC HOSE FITTING – BUILT FOR REAL-WORLD USE
- Solid brass construction for strength and corrosion resistance
- Internal M30 × 1.5 metric thread (parallel)
- Hose quick connect integrated O-ring for reliable leak-free connection
- Knurled grip for easy hand-tightening
- Includes washer for face sealing against the tap
- Compatible with standard garden hoses and popular quick-connect systems (Hozelock, Gardena, etc.)
How to check if you need the M30 version
Measure the outlet thread on your tap:
- Major diameter ≈ 30 mm
- Pitch = 1.5 mm (use a thread pitch gauge)
If it matches, this is the correct connector. The “3/4” marking on most farmers taps usually refers to the inlet size, not the hose outlet thread.
Important compatibility note
This connector is for M30x1.5 metric thread taps only.
If your tap has a 7/8 BSP (G parallel) outlet thread, please use our sister product:
Garden Tap Connector - 7/8 BSP - Suitable for Farmers Tap
Technical Specifications
| Specification | Details |
|---|---|
| Thread | M30 × 1.5 (metric coarse, parallel – ISO metric) |
| Material | Solid brass |
| Seal | O-ring on hose barb + face washer |
| Hose Compatibility | Standard 1/2" and 3/4" garden hose (clip or push-fit) |
| Finish | Natural brass |
| Brand | RoBox Design (RBAF-M30) |
What’s in the box
1 × M30x1.5 brass tap connector with O-ring and washer.
Installation
- Clean the tap outlet thread.
- Screw the connector on hand-tight (M30 female end onto tap male thread).
- Attach your garden hose to the barb end and secure with a clip if needed.
- Turn on the tap and check for leaks.
Bulk Buying Discounts
| Quantity Purchased | Price (inc VAT) |
|---|---|
| 3 + | £10.92 |
| 5 + | £10.69 |
| 10 + | £10.36 |
Bulk prices shown are per unit. Perfect for farmers, agricultural suppliers, and trade customers.
Why choose RoBox Design?
We specialise in hard-to-find tap connectors for UK farmers, agricultural, and large garden taps. Our connectors are engineered to solve real problems that generic DIY-store fittings can’t fix.
⚠️ Important Size Warning – Please Measure Your Tap Thread
This M30x1.5 connector will ONLY fit taps with an M30 × 1.5 metric thread on the outlet.
Many large farmers taps and agricultural bib taps are stamped “3/4”, but this usually refers to the inlet size. The outlet thread can be either:
- M30x1.5 metric (this product), or
- 7/8 BSP (use our sister product instead)
How to check before ordering:
- Measure the outside diameter of the thread on your tap – it should be approximately 30 mm.
- Use a thread pitch gauge – it must read 1.5 mm pitch.
If your tap has a 7/8 BSP thread instead, please order the correct version here:
Garden Tap Connector - 7/8 BSP – Suitable for Farmers Tap
Ordering the wrong size is the most common reason for returns. Please double-check your thread size before purchasing.

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Bulk Buying Discounts
close| Quantity Purchased | Price |
|---|---|
| 3 - 4 | £10.92 |
| 5 - 9 | £10.69 |
| 10 + | £10.36 |






