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Monument 138R Socket Forming Tool (15 & 22mm)

4.8 (9 reviews)
SKU: 250319013529002 EAN: 5015375001380

Compare 5 prices for Monument 138R Socket Forming Tool (15 & 22mm) — from £15.99 to £23.95 across 5 UK sellers including Power Tool Mate, Toolstation, A X Minster Tools and more. Save up to £7.96 (33%).

£15.99 16h ago
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Compare Prices from 5 Sellers

Prices updated 13 Apr 2026
2
Toolstation
£18.49 +£2.50
9h
3
A X Minster Tools
£20.88 +£4.89
16h
4
Tooled Up
£23.95 +£7.96
7h
5
My Tool Shed
£23.95 +£7.96
7h
#2 Toolstation
9h ago
£18.49 +£2.50
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#3 A X Minster Tools
16h ago
£20.88 +£4.89
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#4 Tooled Up
7h ago
£23.95 +£7.96
View
#5 My Tool Shed
7h ago
£23.95 +£7.96
View
Monument 138R Socket Forming Tool (15 & 22mm)
Brand Monument
Compatible Brand Tool, Copper Pipes
Item Diameter 22 mm
Item Height 15mm, 22mm
Item Weight 191 g
Material Copper, Steel
Number in Pack 1
No features listed
No items listed

Customer Reviews 9

4.8
9 reviews
5 star
8
4 star
0
3 star
1
2 star
0
1 star
0
Monument Copper Pipe Jointer
5.0
December 19, 2025
William Miles Verified Purchase

Cheaper at toolstation so good value for money, well made and easy to use. Very happy with the product.

Simple concept, works well. Useful tool if you regularly need to join/extend copper pipe.
5.0
September 24, 2025
Brockbuild Verified Purchase

Useful tool, well made. It’s a simple concept that works really well and halves the number of soldered joints needed to extend copper pipes. Provided you are competent at end-feed soldering the results are excellent. One point to remember however; you really need to anneal the copper pipe you plan to swage with this tool (i.e. heat to dull-red then quench in water). No need to worry that the pipe will then be weak/soft in service as the copper will work harden during the swaging process. It’s also prudent to use shaped soft-jaws or blocks of wood to grip the length of pipe during swaging although in the case of 15mm it’s just possible to hold the pipe by hand.

Expander
5.0
July 25, 2025
ced880d0-e1e9-5c1f-91f1-5cca66445630 Verified Purchase

Awesome bit of kit perfect for when you've had a burst pipe and it's too expanded for a fitting

simple solution
5.0
April 1, 2023
Fan of common sense Verified Purchase

Basic, simple tool, which just works, that's it...

Next level job finish
5.0
March 22, 2023
Gas Engineer in the north Verified Purchase

Finally bit the bullet for a jointer and this is just the ticket , throw them couplers away, a bit of accuracy and might is needed , not for snowflakes , well done monument. Made in the U.K. too and the pipes look smash!

Very handy tool for plumbers
5.0
March 5, 2023
Plumb bob 2 Verified Purchase

Really well made high quality tool! glad I now have this edition to my toolbox, works well and does what it’s supposed to do.

good for learners
5.0
October 17, 2021
Luckylocker Verified Purchase

Excellent for learning to solder, by quickly making female socket connections in normal solder pipe. works best if you soften the copper first by heating to a dull glow then cooling in water.
Although I have been told the building inspector does not accept joints made with these tools they are very useful in a tight spot where conventional methods are unavailable.

Bang for your buck
3.0
August 29, 2021
Andytool Verified Purchase

Works but would work better with a longer slide. Plastic handle quickly falls off in use.

Love, love, love this tool.
5.0
February 21, 2020
AlanAB Verified Purchase

Many years ago, back in the early 80’s, there was an “old boy” who used to have one of these, I really wanted one, but had never seen one for sale before seeing them here. It makes such a neat job, with only one end to feed with each joint, so over time would pay for itself in less flux & solder, plus less cleaning up to do and it looks so much neater than an end feed, straight fitting. Best new bit of kit I’ve bought in a while, love it!

9 found this helpful
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