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🔧 Crimp like a pro — every pin, every time.
The iCrimp IWS-3220M is a precision ratcheting crimping tool designed for micro connector pins ranging from 0.03 to 0.52mm² (32-20AWG). Featuring a parallel crimping mechanism that enhances crimp tightness by 30%, double-layer EDM-cut jaws for simultaneous conductor and insulation crimping, and an ergonomic TPRS handle, it ensures reliable, fatigue-free operation. Compatible with major connector brands like Molex, JST, and TYCO, it’s ideal for electronics assembly, automotive, and aerospace manufacturing.



























| ASIN | B078WPT5M1 |
| Best Sellers Rank | #18,132 in Home Improvement ( See Top 100 in Home Improvement ) #2,220 in Hand Tools (Home Improvement) |
| Brand | IWISS |
| Brand Name | IWISS |
| Colour | Black |
| Country of Publication | USA |
| Customer Reviews | 4.6 out of 5 stars 1,280 Reviews |
| Cutting width | 0.03 Millimeters |
| Grip Type | Ergonomic |
| Handle Material | Thermoplastic Elastomer (TPE) |
| Handle Type | Plastic |
| Item Weight | 300 Grams |
| Manufacturer | IWISS TOOLS |
| Manufacturer Part Number | IWS-3220M |
| Model Number | IWS-3220M |
| Size | Small |
| Specific Uses For Product | Electronics assembly, repair, and maintenance; Automotive, aerospace, and consumer electronics manufacturing |
| UPC | 680491199492 |
M**O
Great buy
Very good product. It serves the purpose. Other products claiming support for small 2510 crimp terminals ( like SN-01 will damage your crimp terminals. But this one won't.
G**D
Not properly crimp lugs damged
waste purchase
I**P
100% success
Possibly early days to be boasting of 100% success rate with these, but I've crimped about 20 connections so far and they have all worked ! I spent a long time trying to get my previous crimper (SN-28B copy) to crimp anything and they almost always failed; this crimper on the other hand has produced perfect crimps every time ! Be aware that there were no instructions supplied with this item, which was a little annoying, but if you look at the "Crimping Guidance" image accompanying the listing you'll see how the barrels need to be inserted into the crimper and from there it's fairly straightforward. I would advise that you prepare the barrels beforehand by making sure that the "wings" are parallel to each other (as supplied, mine tended to be splayed a little too far) and then insertion into the crimper is a whole lot easier. I think the crucial thing about these crimpers is that they "fold" the wings onto the sheathing and therefore bring everything in together nicely. Excellent product!
I**S
degelijke tool
na een korte inloopperiode wordt deze ratelkrimptang een handige stuk gereedschap. Een beschrijving van het gebruik van de tang zou handig zijn.
D**.
Works for Molex SL crimps (0.100" square) and and JST XH LiPo Balance Taps (with a caveat)
I tested this on the Molex SL crimp contacts (for the 0.100" square headers) and JST XH contacts (the typical LiPo battery balance connector) on 22AWG PVC wire. The 1.6mm opening works with the Molex SL and 2.0mm MOSTLY works with the JST XH. The caveat with the JST XH is that the insulation grips are crimped to be slightly too wide to fit into the crimp housing so you have to take a pair of pliers and ever so slightly squish it sideways. I looked at the crimps under a microscope and both the conductor and insulation fingers looked neatly and cleanly rolled for both types of contacts. I did pull tests but don't have a force scale nor the official pull-force test pliers from Molex. What I did was pull on the connector in a vise until the wire came out and then pulled on a luggage scale in the vice until it felt the same. I don't know what the JST XH spec is but the Molex SL spec is 8.82lbs for 22AWG. Therefore I used that specification for both connectors. My test runs for the Molex SL resulted in 50%, 75%, and 150% of the specified pull force. The test runs for the JST XH resulted in 50%, 60% and 100%. I am not sure how consistent the official crimper would be. I should also add that even though it does not have a positioner like the official tools, the die is of the proper thickness for the both Molex SL and JST XH so all you have to do is line up the end of the crimp (wire-side) with the edge of the die. So no need to position the crimp contact midway in the die. The parallel jaws and EDM cut die make a huge difference for these tiny contacts where any mos-positioning of the crimp terminal in the die, or inaccuracy in the die matters a lot more. The parallel jaws come straight down on the crimp contact which makes crimping much less of a hassle because the crimp terminal is much more likely to stay in position. With plier-type crimpers, the hinged jaws roll and tilt the crimp contact as it comes down. You can get away with a little tilt in larger contacts but with tiny contacts a little tilt throws things off a lot more and destroys the crimp. So other than having no positioner and needing a second slightly squeeze from the side for the JST XH contacts, you save But other than that it works at saves $500+ from the official crimp tools.
C**C
Conforme
Plus petite que je n'imaginais, mais conforme. A l'air solide et précise. A tester en condition réelle.
P**.
Känns gedigen och bra
Köpte den till JST SH men behövde till PicoBlade, visade sig att tången skall passa båda +++
Trustpilot
4 days ago
2 months ago