The best cable lug crimpers, compared.
Top pick: Dechengbao HX-50B single crimper – Highest score, 92: about £22.99, 4.6 from 669 reviews, tool only, stated 6–50 mm². Lip and second-crimp comments are the deduction. Best value: Kaiwolf HX50B rotary crimper – Same £22.99, score 90, six dies named 6–50 mm² and a claimed ratchet. The £9.90 hammer and the Brileine kit are not the value pick. Updated 22.10.2026.
A cable lug crimper compresses an uninsulated tubular lug onto a stranded conductor so you can bolt the cable to a battery, inverter or busbar. On these amazon.co.uk listings, buyers are mostly making leisure-battery, vehicle and small marine leads, not a building distribution cable. Choose the mechanism and the millimetre size first, then check whether the lugs in the box are worth using. A sound result is a conductor that stays in the barrel after one crimp. Stars do not show that, and no listing is a calibrated BS 7609 system. How to choose range and mechanism is in the [cable lug crimper buying guide](/hub/electrical-equipment/cable-lug-crimper/sub/cable-lug-crimper-buying-guide). Read the millimetre size on the cable and on the lug before you read the brand. Titles disagree on the equivalent of 6–50 mm²: 8–1/0 and 10–1/0 both appear. Do not cut strands to force a smaller die. A rotating hex die and long handles suit repeated 16–50 mm² copper leads. A hammer tool is only reasonable if you accept that the blow is the quality control. A hydraulic head is for cable you cannot close by hand, and you still have to check the crimp. The title’s tonnage figure is not a calibration.
A cable lug crimper compresses an uninsulated tubular lug onto a stranded conductor so you can bolt the cable to a battery, inverter or busbar.
38 products checked · 58 hrs invested · +24,100 readers
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Personal buying guide
Question 1 of 2
What cable are you crimping?
The Dechengbao HX-50B is a hand rotary crimper for a stated 6–50 mm², sold as the tool alone at £22.99 and 1.18 kg. It carries the largest sample in this set: 4.6 from 669 amazon.co.uk reviews, with 29 of the first 50 marked United Kingdom, and the captured page ranks it 26 in Crimpers. Reviewers often say it does the job for the money, including a campervan conversion, once the dies sit square. The same UK comments include a lip when the dies are not square, a second crimp on larger terminals, and coating that peeled before first use. This capture does not list the dies as 6, 10, 16, 25, 35 and 50 mm², and the title’s AWG 8–1/0 line is not the gloss used on every other HX-50B here. There is no cutter and no lugs, so the star line is about the tool. A closed handle still needs a tug on the conductor before you insulate the joint.
Pros
Cons
Best for: Occasional copper leads from 6 to 50 mm² when you will buy the lugs yourself and you want the review volume.
Less suitable: You need a printed die list, a cutter in the box, or cable above the stated 50 mm².
Specifications
Common questions
Does this listing include lugs or a cutter?
No. The included-components line says NO, and the title says single crimper.
What do UK reviews say about the crimp?
Many say it does the job for the money, including a campervan conversion. Others report a lip if the dies are not square, a second crimp on larger terminals, and peeling coating.
Which AWG band is printed?
The title says AWG 8–1/0 alongside 6–50 mm². That AWG line is not the same as every other HX-50B title in this set.
The KAIWOLF HX50B is the other tool-only rotary at £22.99 and 1.18 kg, with six dies named as 6, 10, 16, 25, 35 and 50 mm² and a ratchet claimed on the listing. All nine captured reviews are from the United Kingdom, and the star line is 4.5. Reviewers used it on motorhome batteries, inverters and power cables, and they contrast the force with mole grips. One review says the jaw adjuster sticks and the crimp comes out uneven, and several call the tool large and heavy. The size line also prints AWG 8–1/0 as 8.37–53.5 mm², which is not a neat match to every step on the die, so you still set the die to the cable marking. Lugs and heat-shrink are stated as not included. Nine reviews is a thin sample beside 669 on the Dechengbao, which is why the same money buys a clearer die list rather than more evidence.
Pros
Cons
Best for: You want named mm² dies and a stated ratchet at £22.99, and you will supply your own copper lugs.
Less suitable: You want hundreds of reviews before you buy, or you need a cutter in the same box.
Specifications
Common questions
Are lugs in the box?
No. The bullets say tool only, and that cable lugs, terminals and heat-shrink are not included.
Does the listing claim a ratchet?
Yes. It says a ratchet mechanism for controlled manual crimping.
What did the nine UK reviews mention?
Motorhome batteries, inverters and power cables. Praise for force versus mole grips. One review says the jaw adjuster sticks and the crimp is uneven.
The Glarks G-1167 is a £34.99 set at 1.3 kg with six dies at 6, 10, 16, 25, 35 and 50 mm², a cutter claimed to 70 mm², 20 copper ring lugs and 20 heat-shrink pieces in a paper box. The star line is 4.4 from 315 reviews. UK comments praise the cutter on 35 mm² cable and the long handles for reducing effort. The same reviews include a 25 mm automotive crimp that would not hold, a tool said to break on early uses, and a selector lock that stays down or will not depress. One jaw was described as too tight to change size. A question on the page asks about aluminium, and the captured bullets only say the cutter can cut aluminium cable. They do not give an aluminium crimp method. At about £12 more than a tool-only rotary you get a cutter and a small lug count, with that sticking lock in the UK comments.
Pros
Cons
Best for: You want named dies, a cutter and a few lugs together, and you will check the selector before the first joint.
Less suitable: A 25 mm² automotive lead if you need the reviews to show that size holding, or an aluminium crimp.
Specifications
Common questions
Can the listing answer aluminium cable?
A question on the page asks. The captured bullets say the cutter can cut aluminium cable. They do not give an aluminium crimp method.
What failed in UK reviews?
A 25 mm automotive crimp that would not hold, a tool said to break early, and a selector lock that stays down or will not move. The cutter is praised on 35 mm².
Is it a hard case?
The bullets say a paper box, not a hard case.
The NMAZA YQ-300 is a hydraulic hand crimper at £67.98 with 13 die pairs from 15 MCM to 600 MCM, a head said to rotate 180 degrees, and a listed weight of 5.44 kg. All 13 captured reviews are from the United Kingdom, and the star line is 4.4 from 78. One user reported good results from 25 mm to 120 mm across more than 75 crimps and kept it as workshop kit. Others say the dies sit slack and mis-align, the shape was not a true hex so the cable came out loose and was returned, and a 70 mm lug still twisted because it was not crimped enough. A UK review says not to squeeze too hard or the seal blows, and the tool is described as unwieldy one-handed. There is no cutter and no lugs. It is the only hydraulic listing in this set, and it is extra money you do not need when the cable already sits inside a £23 rotary’s stated 6–50 mm².
Pros
Cons
Best for: Copper cable past the 50 mm² hand tools, where you can support 5.44 kg and watch the dies for slack.
Less suitable: Occasional 6–50 mm² leads, or one-handed work in a van doorway.
Specifications
Common questions
Do the dies stay aligned?
One UK review says the formers are a slack fit and mis-align, and the reviewer added tape to centre them. Another says the shape was not a true hex and the cable came out loose.
Is there a seal warning?
Yes. A UK review says not to squeeze too hard or the seal blows.
Has it been used on large cable?
One UK review reports good results from 25 mm to 120 mm over more than 75 crimps. Another says a 70 mm lug still twisted on the cable.
The Rustark R-1302 is a hammer set at £22.99 and 1.3 kg that claims a hammer crimper, a 10-inch cutter, copper lugs in AWG 4, 6 and 8, and heat-shrink. The star line is 4.4 from 27. None of the eight captured reviews is from the United Kingdom. They are marked Canada, the United States and Australia. Two of those reviews say the lug assortment or the cutter was missing from the parcel, so the kit on the title is not what every buyer received. The hammer itself is listed from 8 AWG to 4/0 AWG, which is a wide nest rather than a sized hex die. Hardened steel and pure copper lugs are claims on the page, not a measured crimp. At the same money as a tool-only rotary, you are buying contents that some orders did not contain.
Pros
Cons
Best for: You want a hammer, a cutter and a few AWG lugs in one parcel, and you will check the contents before you rely on them.
Less suitable: A UK-reviewed rotary crimp, or a job that stops if the cutter is not in the box.
Specifications
Common questions
Are the reviews from the UK?
Not in this capture. The eight reviews are from Canada, the United States and Australia. The star line is still 4.4 from 27.
Did every order include the cutter and lugs?
The listing claims both. Two reviews say the lug assortment or the cutter was missing from the parcel.
What lug sizes are named?
The title says AWG 4, 6 and 8. The bullets also list stud holes 3/8 and 5/16 on those gauges, and a wider AWG range for the hammer tool itself.
The Flytuo 50B is a hand rotary crimper at £23.99 that pairs a stated 6–50 mm² jaw with a cutter the bullets claim will take copper and aluminium cable up to 70 mm². The star line is 4.4 from 20 reviews. The six UK reviews in the capture say the crimp is good once the jaws are square and that the tool feels robust, and those six do not repeat a pull-out. The details line says 1.07 kg while a bullet says about 1.6 kg. The included-components line says no, while the bullets describe a crimper and a cutter. Materials are claimed as #45 steel, alloy steel and aluminium alloy on different lines. The title’s AWG 10–1/0 is not the same gloss as AWG 8–1/0 on another 6–50 mm² HX-50B in this set. One reviewer mentions a case that the spec line does not list.
Pros
Cons
Best for: You want a rotary crimper and a cutter in one listing around £24, and you will check that both parts arrive.
Less suitable: You need one consistent weight and contents line, or lugs included in the box.
Specifications
Common questions
Is a cable cutter included?
The bullets say yes, for copper and aluminium cable up to 70 mm². The included-components line says NO, so the two lines conflict.
Which weight is printed?
The details line says 1.07 kg. A bullet says approximately 1.6 kg (3.5 lb). Both are left as printed.
What do the six UK reviews say?
They say the crimp is good once the jaws are square, and that the tool feels robust. No repeated pull-out is in those six reviews. One mentions a case, which the spec line does not list.
The Brileine L-3 is a rotating-die kit at £29.99 and 1.2 kg for a stated 6–50 mm², with 60 copper ring terminals in the title. The star line is 4.3 from 616 reviews, and the first 50 in the file are all marked United Kingdom. Reviewers call the crimp strong for light use and fair for the price, short of a professional tool, including one who used it as a stand-in for a heavier hand tool on car audio. The repeated complaint is the lugs: paper-thin, eyes that tear or snap, and terminals too small for cable one reviewer treated as a standard car battery lead. A lip on the barrel is given as the reason for four stars, and one review says even separate lugs of better quality were a problem in the tool. Die sizes are not itemised in the spec lines. You pay £7 more than a tool-only HX-50B largely for terminals the UK reviews do not trust on a battery lead.
Pros
Cons
Best for: Light automotive or DIY joints where you will set the included lugs aside and fit your own.
Less suitable: An inverter lead that depends on the terminals supplied in the box.
Specifications
Common questions
What do reviews say about the included lugs?
UK reviews call them paper-thin, say the eye tears or snaps, and say they are too small for cable one reviewer treated as a standard car battery lead.
Is the tool itself praised?
Yes. Reviews call the crimp strong for light use and good for the price, short of a professional tool. A lip on the barrel is a repeated comment.
How many reviews are on the listing?
The captured star line is 4.3 out of 5 from 616 reviews. The first 50 in the saved listing are marked United Kingdom.
The Polegas HX-50B kit is an orange rotary tool at £25.99 and 1.24 kg, with dies named 6, 10, 16, 25, 35 and 50 mm² and 60 copper ring terminals. All 12 captured reviews are from the United Kingdom, and the star line is 4.2 from 34. Reviewers say it looks well made and is fine for a one-off, and the terminals are in the box. UK reviews also say 16 mm² cable pulled out on the 16 setting, that stepping down to the 10 setting flattened the lug, and that a second crimp at 90 degrees was tried. One review says 35 mm² on site let the cable fall out after 10 mm² had worked at home. A cutter is not listed. The marked die did not retain the conductor in the reviews that describe a real lead, so the kit price does not buy a proved 16 mm² joint.
Pros
Cons
Best for: A one-off where you already plan to tug-test and you want ring terminals in the box.
Less suitable: A 16 mm² or 35 mm² lead that has to hold on the marked die the first time.
Specifications
Common questions
Did the 16 mm² setting hold in the reviews?
UK reviewers say 16 mm² cable pulled out on the 16 setting. They then used the 10 setting, which flattened the lug, or crimped again at 90 degrees.
What happened at 35 mm²?
One UK review says 10 mm² worked at home and 35 mm² on site let the cable fall out.
Are the terminals included?
Yes. The listing says 60 copper ring terminals. A cutter is not listed.
The SBGGRL SB08 is a rotary hex kit at £25.99 that lists six dies from AWG 10 to 1/0, a ratchet with automatic release, 60 lugs in eight sizes and 100 pieces of 2:1 heat-shrink. The details line says 1.31 kg and a bullet says 2.8 lb. The star line is 4.1 from 217 reviews, with 21 of the first 50 marked United Kingdom. Some UK reviewers call it easy and adequate for a DIY conversion below a trade finish. Others say the die moves, the dies are not wide enough, and the wire was not held so the heat-shrink was doing the work. One UK review says the tubing was too small, and a case is not in the included list. At £3 more than a tool-only HX-50B you are paying for lugs and tubing that, in those reviews, were not what retained the conductor.
Pros
Cons
Best for: A one-off conversion where you want lugs and heat-shrink in the box and you will tug-test every joint.
Less suitable: A lead where the lug, not the tubing, has to retain the conductor.
Specifications
Common questions
What is in the kit?
The listing says one crimper, 60 cable lugs in eight sizes, and 100 pieces of 2:1 heat-shrink in two sizes, red and black.
Do UK reviews say the crimp holds?
Some say it is easy and fine for a conversion. Others say the die moves, the dies are not wide enough, and the wire was not held so the heat-shrink was doing the work.
Is a case included?
Not in the included list. One UK reviewer said it would be better with a case.
The Growlush SL-001 is a 300 g composite hammer tool that seats the lug in a single V-groove so you can strike a spring-loaded plunger. The listing tells you to use a 2 to 4 lb hammer and claims 8–95 mm² in that one nest, at £9.90. Across seven amazon.co.uk ratings the line is 3.8, and only two written reviews were captured, both from the United Kingdom. One of those reviews said a couple of blows closed heavy battery lugs. The other said the dies closed fully on a 50 mm ferrule and 50 mm cable and the ferrule was still loose. A closed die on a wide printed range is not evidence that the conductor is held. The body is listed as glass-filled polymer, fibreglass and nylon, not steel, with a 3-year warranty stated on the page.
Pros
Cons
Best for: You want a compact hammer tool for a few copper battery lugs you can tug-test on a bench, and you already own a 2 to 4 lb hammer.
Less suitable: A 50 mm² lead that has to stay put, or any joint where a loose ferrule would leave you stranded.
Specifications
Common questions
Does this need a hammer?
Yes. The listing says you place the terminal and wire in the V-groove and strike the spring-loaded plunger. It recommends a 2 to 4 lb sledgehammer.
Is the body steel?
No. The listing says glass-filled polymer, and fibreglass and nylon. It also states a 3-year warranty.
Did the captured reviews hold a 50 mm ferrule?
One of the two UK reviews said the dies closed on a 50 mm ferrule and 50 mm cable and the ferrule was still loose. The other review was positive about heavy battery lugs.
The RiseNova listing is a hammer lug crimper titled for 3–70 mm² battery cables at £11.39. The captured amazon.co.uk page has no star line and no review text, so nobody in the file reports whether the nest holds a conductor. Dimensions are given as 5.3 × 5 × 9.5 cm, and the title is the only place that says steel. Weight, die sizes and box contents are not stated. The page mentions contoured handles, which does not tell you what hammer to use or how hard to strike. At a little more than the Growlush you are paying for a steel claim with no captured rating. Treat the 3–70 mm² line as a title, not as a proved range.
Pros
Cons
Best for: You already know this hammer pattern and you accept a listing with no review history.
Less suitable: Anyone who wants a UK review of a finished crimp before they spend.
Specifications
Common questions
Is there an Amazon rating in the capture?
No. The listing has no customer-review line and no review text, so the rating is recorded as n/a.
What size does the title claim?
The title says a steel hammer lug crimper for 3–70 mm² battery cables. No weight is printed.
Are lugs included?
The captured listing does not say. Included contents are n/a.
Eleven cable lug crimpers on amazon.co.uk were scored from the listing, the star line and the captured review notes. There is no lab crimp test and no BS 7609 certificate on these tools. A star line is not a measured joint. The score already stored on each ASIN is kept. Review evidence is 40, mechanism and named dies against the stated mm² job is 25, price against the £22.99–£23.99 rotary band is 20, and sentiment deductions are 15. No star line scores 0, which is why RiseNova is 0. Thin samples stay below the high-volume tools. A conductor that pulls out, a loose ferrule, a moving die, kit lugs that tear, or a contents line that contradicts itself lowers the score. The hydraulic tool is not treated as the default.
Review evidence
40%Amazon stars, the number of ratings, and whether the captured review text is marked United Kingdom. A thin sample stays below a high-volume tool. No star line on the captured page scores 0.
Mechanism and named dies
25%The stated cable range, and whether the dies are named in mm². Hammer, hand rotary and hydraulic are not scored as the same job. The hydraulic listing is not the default for a 6–50 mm² lead.
Price against the rotary band
20%Price in GBP set against the £22.99–£23.99 rotary band on these shelves. A lower hammer price does not outweigh a loose ferrule. £67.98 does not buy a maintained system.
Sentiment deductions
15%A conductor that pulls out, a ferrule left loose after the die closed, a die that moves, kit lugs described as tearing, or weight and contents lines that contradict each other.
Start with the millimetre size on the cable and the lug, then the mechanism, then whether the terminals in the box are worth using. Price comes after those three. The notes below follow that order for these 11 amazon.co.uk listings. None of the scores is a crimp test.
A cable lug crimper compresses an uninsulated tubular lug onto stranded copper so you can bolt the lead to a battery, inverter or busbar. In this amazon.co.uk set the jobs are leisure-battery, vehicle and small marine leads, not a building distribution cable. Read the millimetre size on the cable and on the lug before you read the brand. Titles disagree on the AWG equivalent of 6–50 mm²: AWG 8–1/0 and AWG 10–1/0 both appear. Prefer the millimetre figure.
The same 6–50 mm² band is glossed as AWG 8–1/0 on some listings and AWG 10–1/0 on others. Read the millimetre figure on the cable and on the lug. Do not cut strands to force a smaller die.
Polegas reviewers pulled 16 mm² cable out of the 16 setting, then tried the 10 setting or a second crimp at 90 degrees. Growlush left a 50 mm ferrule loose after the die closed. Heat-shrink does not hold the conductor.
BS 7609 points to a marked lug used with the maker’s die and tool. None of these listings states that system. A hydraulic title, a ratchet click or a hex shape is not a certificate, and pliers are not the compression tool BS 7671 has in mind.
Read the size on the cable and on the lug. In this set the rotary tools are stated at 6–50 mm², with dies named on Kaiwolf, Polegas and Glarks as 6, 10, 16, 25, 35 and 50 mm². Dechengbao, Flytuo and Brileine state 6–50 mm² without that numbered die list in the capture. Growlush states 8–95 mm² in one V-groove. RiseNova’s title says 3–70 mm² and has no review text. Rustark is listed in AWG, from 8 AWG to 4/0 AWG. NMAZA lists 13 die pairs from 15 MCM to 600 MCM.
A rotating hex die and long handles are the match for repeated 16–50 mm² copper leads. Kaiwolf claims a ratchet and names the six dies, tool only, at about £22.99. Dechengbao is the same money with 669 reviews and no numbered die list. Flytuo at £23.99 claims a cutter to 70 mm², while its included-components line says no. Glarks at £34.99 names the six dies, a cutter and 20 lugs, with a selector lock that UK reviews say sticks.
Three typical situations, each with a recommendation from this comparison.
You are adding a 16–50 mm² copper lead for a leisure battery or an inverter. The Dechengbao HX-50B is tool only at about £22.99, with 4.6 from 669 reviews. UK comments include a campervan conversion. Buy the lug yourself.
You are replacing a battery lead and you need the right stud hole as well as the right mm². The Kaiwolf HX50B names six dies from 6 to 50 mm² at about £22.99. Lugs are not in the box, so you can match the stud.
You want one hand tool for occasional copper leads up to 50 mm². Do not treat the £67.98 hydraulic listing as a maintained BS 7609 system. The Dechengbao is the tool-only rotary with the largest review count in this set.
In this set of 11 amazon.co.uk listings, the top pick is the Dechengbao HX-50B single crimper. It is about £22.99, with 4.6 from 669 reviews, tool only, stated 6–50 mm², score 92. Lip and second-crimp comments are the deduction. The best value is the Kaiwolf HX50B rotary crimper at the same £22.99, score 90, with six dies named 6–50 mm² and a ratchet claimed. Nine reviews and a sticking adjuster hold it below the Dechengbao. The £9.90 Growlush is not the value pick: one of two UK reviews left a 50 mm ferrule loose. Brileine is not the value pick: UK reviews call the included lugs thin. None of these scores is a lab test, and none of these tools is a calibrated BS 7609 system.
Dechengbao HX-50B single crimper
Highest score, 92: about £22.99, 4.6 from 669 reviews, tool only, stated 6–50 mm². Lip and second-crimp comments are the deduction.
Kaiwolf HX50B rotary crimper
Same £22.99, score 90, six dies named 6–50 mm² and a claimed ratchet. The £9.90 hammer and the Brileine kit are not the value pick.
Editorial
Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.
Guides on what to look for, how to use a product, and common mistakes.
Public sources from the research digest, used for the buyer point of each standard. Shelf prices and star lines are the amazon.co.uk figures in the display file, checked on 22 October 2026.
Expert source (DIY & tools): Charlie White (Charlie DIYte) (external profile) – public expert commentary used as a research source, not as a contributor to our pages.
This page contains affiliate links to amazon.co.uk. If you buy through them, we may earn a commission at no extra cost to you. Prices, stars and review counts are from the UK listings in this comparison. We did not lab-test these cable lug crimpers.
