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iCrimp SN-01BM Ratchet Crimper AWG28-20 for XH2.54/3.96,PH2.0,PX,JST,Molex Terminal

4.6 4.6 out of 5 stars 741 ratings
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SN-01BM
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Purchase options and add-ons

Brand IWISS
Color Orange, Grey
Item Weight 0.01 Ounces
Handle Material Alloy Steel
Grip Type Ergonomic

About this item

  • Crimping Range: 0.08-0.5mm ² AWG 28-20,compatible with XH2.54/3.96,PH2.0,PX,KK254,JST,Molex,Dupont, D-SUB Terminal
  • 【Precise】Well-polished wire electrical discharge machining cutting jaw, which provides precise and accurate crimping without damage
  • 【Durable】Made of premium industrial grade high strength tool steel, with special surface treatment to achieves rust and corrosion resistance, strong enough for a long service life
  • 【Effortless】Smooth ratcheting mechanism and tension adjust knob save 50% effort, which is important for long time operation
  • 【Ergonomic】Slight angled head design and non-slip handle makes the operation comfortable and effortless,even in wet&oil condition. With release trigger, it’s free from stuck and snap
› See more product details

IWISS products customers bought together

iCrimp SN-01BM Ratchet Crimper AWG28-20 for XH2.54/3.96,PH2.0,PX,JST,Molex Terminal

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Sold by Icrimptools and ships from Amazon Fulfillment.
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Customer reviews

4.6 out of 5 stars
741 global ratings

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Customers say

Customers find the crimping pliers to be of good quality and value for money. They work well and produce strong crimps. While most customers appreciate their crimping ability, some have mixed opinions on ease of use, size, and design.

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QualityWorks wellValue for moneyCrimping abilityEase of crimpingEase of useSizeDesign
80 customers mention "Quality"80 positive0 negative

Customers are satisfied with the crimping pliers. They find the tool produces strong crimps and professional results, even at a low price. The crimpers are described as slick and aligned, making perfect crimps from start to finish.

"...The tools are solidly built and smooth in use." Read more

"...Your experience I truly hope will be better. They make a good crimp when you can get things loaded well. As for value?..." Read more

"...has die that neatly fold the contact ears around the wire and make a strong crimp...." Read more

"The quality of this tool seems fine, especially given the cheap price - but it's advertised to be compatible with (among other things) Molex KK254..." Read more

65 customers mention "Works well"62 positive3 negative

Customers find that the crimping pliers work well. They mention that the terminal ratchet works well, and the ratcheting mechanism works well.

"...I've wired a bunch of connectors with these, and they are still performing well. The tools are solidly built and smooth in use." Read more

"...This tool is under $25 and it works perfectly...." Read more

"...So the tool really isn't compatible with KK254 contacts. It's usable I guess with some futzing, but I'd rather not futz - that's why I bought a..." Read more

"...But once that is figured out, they worked great. ergonomic and doesn't take much effort to use, either." Read more

29 customers mention "Value for money"29 positive0 negative

Customers appreciate the value for money of the crimping pliers. They say it works well and is reasonably priced.

"...If you can get used to them I think they would be well worth the money spent hell I have single style crimpers that cost $200 when I bought..." Read more

"The SN-025 is great for the price for crimping Amphenol mini-pv ("Dupont") connectors, which require an M shaped crimp instead of a round one...." Read more

"The quality of this tool seems fine, especially given the cheap price - but it's advertised to be compatible with (among other things) Molex KK254..." Read more

"Does a good crimp and it is very low priced. So I gotta give it 5 stars...." Read more

17 customers mention "Crimping ability"17 positive0 negative

Customers like the crimping ability of the pliers. They mention it works well for JST, Molex, and Dupont connectors. It's versatile and helps them crimp a variety of connectors properly. The tool works best by pre-pinching the connector slightly in the tool, then sliding the wire in and closing the grip. It creates good crimp connections every time they've used it.

"The SN-01BM is labeled for use with JST PH 2.0mm connectors...." Read more

"...after seeing answer from vendor that this crimper works with JST RCY connector pins. I can confirm that claim...." Read more

"...This one (SN-01BM) works very well for JST XM series connectors...." Read more

"...Works best by pre-pinching the connector slightly in the tool, then sliding the wire in and closing the grip...." Read more

7 customers mention "Ease of crimping"7 positive0 negative

Customers find the crimping pliers easy to use. They say it crimps perfectly on the first try and each one after. It's quick and easy, making their lives easier.

"...It works extremely well. The fact that it crimps in both places (the wire insulation and the wire, which are different sizes) simultaneously,..." Read more

"...The SN-2549 crimped perfectly and subsequently was able to be inserted into the housing...." Read more

"...This one (SN-01BM) crimped perfectly on the first try and on each one after...." Read more

"Make my life SO much easier. No more crimping or soldering JST by hand! If you do any amount of custom connectors, I can't recommend this enough" Read more

32 customers mention "Ease of use"18 positive14 negative

Customers have differing views on the crimping pliers' ease of use. Some find them simple to stage pins and position wires for crimping, with great leverage that makes crimps easy. Others mention there was a learning curve for using the tool correctly, with no instructions as to which set of jaws to use.

"...simultaneously, which means you don't have to crimp twice, is very convenient. The ratchet feature is also very convenient...." Read more

"...There are no included instructions; not even a diagram. Here's how you use it: 1...." Read more

"I use this tool for crimping JST XH pins. I gave it 5 stars for ease of use but crimping these small pins is not easy; at least not yet since I am a..." Read more

"...As others have said here, using it correctly takes some effort. But after wrecking two or three connectors I got the hang of it...." Read more

22 customers mention "Size"13 positive9 negative

Customers have different views on the pliers' size. Some find them suitable for Micro-Fit 3.0 connectors and effective for crimping wires with tight crimps. Others mention that the jaws are too wide for small connectors like JST PH and Mini-Fit SL, and the die is not wide enough to encompass both the wire and insulation sections.

"...This one is the smallest of the set and has been used mostly for Molex micro terminals...." Read more

"...SN-28B is out of tolerance since it does not work for JST-XH and mangles the pin...." Read more

"...When I pushed the pins into the housing, they just slipped in so easily I couldn't believe it!..." Read more

"...It has a fourth cavity for smaller wire size that most similar crimpers do not have." Read more

7 customers mention "Design"3 positive4 negative

Customers have mixed opinions about the design. Some find it nice and slick, with a good ratchet and everything working well. Others say the insulation is bad and not really suitable for certain applications.

"...These are nice, study crimpers that just work and save a LOT of frustration." Read more

"...But it's not really good for those. The die is not wide enough to encompass both the wire and insulation sections of the terminal at the same time...." Read more

"Nice...." Read more

"...My only other experience has been with cheap non-racheting crimpers, so take it for what it's worth -- I love this tool...." Read more

Perfect for the rc jst connectors
5 out of 5 stars
Perfect for the rc jst connectors
I'm not sure if these are just 2.54 or whatever, but they work for the little red rc jst connectors perfectly
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Top reviews from the United States

  • Kevindt
    5.0 out of 5 stars Solid reliable crimper
    Reviewed in the United States on June 20, 2024
    Model: SN-58BVerified Purchase
    I have several different sizes of iCrimp ratchet crimper tools. This one is the smallest of the set and has been used mostly for Molex micro terminals. Provided that you select the right size anvil holes for the terminal and the wire used, the result is excellent. I've wired a bunch of connectors with these, and they are still performing well. The tools are solidly built and smooth in use.
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  • Joe P
    5.0 out of 5 stars WOW! A decent crimper for dupont connectors.
    Reviewed in the United States on February 13, 2022
    Model: SN-025Verified Purchase
    I do a lot of automation work using Arduino and Raspberry Pi for things like sensors, fans, etc. I'm OCD about having perfect cables/connections. I have tried five crimp tools and even after dialing in the right crimp pressure and inspecting every crimp and making sure the insulation crimp was flat but often have the last insertion in the housing blow out the sidewall of the housing or ruining the crimp trying to force the pin into the housing.

    I read an article the other day on hackaday.io about using the proper tool for the job and the author recommended the $425 manufacturer's tool for the perfect crimp. Way too expensive for my needs. Realizing that, he recommended this crimp tool as second best.

    It turns out, most low cost crimp tools form an elliptical crimp making it hard to insert the pin into the housing. It also seems to spread the sidewall of each position out so the last position would blow out the side wall. The uneven force of an elliptical shaped crimp can also increase the resistance of the connection.

    This crimp tool is different in that the shape of the jaws makes for a more circular (cylindrical) crimp even on the insulation part of the crimp.

    I received this tool yesterday and this morning started to make some test crimps on 26 and 28 awg wires. When I pushed the pins into the housing, they just slipped in so easily I couldn't believe it! All of the latches were evenly closed which I sometimes had to live with questionable latching if I knew the connector wouldn't be disturbed and not have anyone pulling on the cable. When I flipped open the latch, the pin slid out as easily as it had slid in!

    Although it might not be the "perfect" tool for dupont connectors but I didn't have one bad crimp in all of my test crimps.
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  • Jeff in CA
    4.0 out of 5 stars Doesn't work very well with Molex KK 254 terminals
    Reviewed in the United States on January 19, 2018
    Model: SN-01BMVerified Purchase
    This crimp tool is listed as suitable for the Molex KK254 terminals (Molex p/n 08-50-0114). But it's not really good for those. The die is not wide enough to encompass both the wire and insulation sections of the terminal at the same time. So either you get a good crimp on the insulation or on the wire, but not both. So then you have to shift the terminal and crimp again. This often results in the terminal being bent or otherwise deformed so it won't slide easily into the Molex housing. (Example: Molex housing p/n 22-01-3027)

    I gave it 4 stars because it's a really nice tool. It's slick. The ratchet and everything work really well. It's just not suitable for the KK 254 terminals. I returned it. I'm still in need of a crimper
    that works with those.
    5 people found this helpful
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  • Robert Scott Jr.
    5.0 out of 5 stars Quality tool that works well.
    Reviewed in the United States on July 10, 2021
    Model: SN-01BMVerified Purchase
    I use this tool for crimping JST XH pins. I gave it 5 stars for ease of use but crimping these small pins is not easy; at least not yet since I am a complete novice to crimping those pins. Positioning of the pins in the tool is the difficult part. Once that is accomplished the tool operation is easy.
    I also purchase a kit with pins and connector housings. Many of my first crimps were near failures in that the retaining tab was crushed back into the pin and I had to dig it out for the pin to function. I also purchased pins from a popular electronic components company that worked much better in that there was more clearance for the retaining tab to be clear of the tool for the crimp. There was also more spacing from pin to pin on a string of pins. Keeping the pin on a short string rather than breaking the pin off an then trying to insert it into the tool makes pin insertion more manageable. The slightly wider distance between pins helps.
    3 people found this helpful
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  • Frisco
    5.0 out of 5 stars Great budget tool for crimping Dupont connectors
    Reviewed in the United States on August 1, 2023
    Model: SN-025Verified Purchase
    The SN-025 is great for the price for crimping Amphenol mini-pv ("Dupont") connectors, which require an M shaped crimp instead of a round one. The real Amphenol tools are much, much more expensive, like over $1000. Even if the SN-025 crimps aren't as perfect as with a genuine tool, at least these work infinitely better than any of the more commonly found budget tools that only have a round crimp.

    The other comparable tool to consider would be the Engineer PA-24. (Note that the much more popular Engineer PA-09 is terrible for Dupont connectors--despite the advice you will find online, you should only use the PA-09 for things that require a round crimp, like JST connectors.) The PA-24 is harder to find and more expensive than the SN-025. The main difference between the two is that the SN-025 crimps both the wire and insulation at the same time, while the PA-24 requires you to crimp one after the other. Since I own both, I find that I end up using them both quite often. For instance, I'll use the tip of the PA-24 to pinch the wings of a mini-pv connector so that it fits better into the SN-025, and if something goes wrong with my SN-025 crimp, often I can sort of fix it up using the PA-24. Nonetheless, if I had to have only one, I'd probably go with the SN-025.
    One person found this helpful
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Top reviews from other countries

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  • steve_hi
    5.0 out of 5 stars easy to use do a great crimp
    Reviewed in Canada on April 3, 2023
    Model: SN-01BMVerified Purchase
    these are far better than the engineer9 I bought, much less money and much more value for the money. If you need to crimp JST connectors these are the ones to buy.
    Report
  • Cliente de Amazon
    5.0 out of 5 stars herramientas profesionales para crimper
    Reviewed in Mexico on June 22, 2021
    Model: SN-2549Verified Purchase
    Iwiss son herramientas profesionales para crimper
    Report
  • Anupam VIPUL
    4.0 out of 5 stars Works Good but overpriced
    Reviewed in India on September 29, 2022
    Model: SN-01BMVerified Purchase
    Works well jaw is tight so u can trust it But cost is too high
    Customer image
    Anupam VIPUL
    4.0 out of 5 stars Works Good but overpriced
    Reviewed in India on September 29, 2022
    Works well jaw is tight so u can trust it But cost is too high
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  • mk
    5.0 out of 5 stars The tool does exactly what is required - good solid crimps
    Reviewed in Canada on February 28, 2020
    Model: SN-2549Verified Purchase
    The tool does exactly what is required - good solid crimps. I got good value for my money - $35.66 . I use it for JST type XH-2.54 contacts. The type SN-28B crimper which came with the connector kit would mangle the contact.

    It works best if you hold it upside down in your left hand, place a single contact into the valley at the tip of the crimper and then squeeze the crimper until the contact is just captive. Watch that you don't mangle the bit of metal on the contact which will retain it in the housing. Still holding the crimper upside down with your left hand insert the stripped (2 mm) wire into the opening of the contact wIth your right hand and then squeeze the crimper to compete the operation. To gauge the depth of insertion into the contact I find it useful to place a fingernail mark on the wire insulation 2 mm from where it is stripped.
    Report
  • Piddy
    5.0 out of 5 stars Dupont Crimpers for servo leads.
    Reviewed in the United Kingdom on February 18, 2018
    Model: SN-28BVerified Purchase
    Spot on for making up your R/C servo control leads using Dupont connectors. Using it to make up leads for my MegaPoints system for the model railway.
    Report