What is Reddit's opinion of IWISS SN-28B Dupont Terminal Ratchet Crimper 0.1-1.0mm ²(AWG28-18) for 2.54mm 3.96mm KF2510 connector?

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I use this one... $20.
Have crimped hundreds of ends with it. Only issue is after squeezing to crimp, need to be careful removing the pin as it sometimes is a little stuck in the groove... but a gentle wiggle and it comes right out.
https://www.amazon.com/IWISS-Terminal-0-1-1-0mm-AWG28-18-connector/dp/B017JU20Z6

I'm making custom power cables - 18 AWG PTFE insulated wire (much thinner than usual), no braided sleeves, laced together into a neat bundle with lacing cord.

I bought a few supplies for the job as i bought the case: the crimp contacts (Molex 39-00-0039), some wire (TE Connectivity 400R0111-18-9) and a pair of crimpers (IWISS sn-28b)

Great plan! You've hit all the bases and I'm sure you'll make great cables.

A couple of suggestions for this plan are getting the crimper designed for DuPont/Molex pins. I used that one from the link (IWISS model SN-28B) for my pins and it worked wonderfully! I was crimping 16 gauge wire with 16 gauge crimps from Mainframe Customs.

I would also suggest doing one wire at a time to prevent mixing up the wires and frying everything. It is tempting to just cut off the old terminal entirely but I would definitely just do one wire at a time ALONG with making a pin-out diagram to double check your work.

Happy sleeving!

In addition to the pin extractor and crimper, I just used a generic pair of diagonal flush cutters, 14-18awg wire strippers, lighter (to clean up the nylon braiding on the cable).

I used the following - Crimp pins for 18-24awg - Crimp pins for 16awg - SATA connector housing - Sata crimp pin

I was able to use the crimp pins with the pin housings that came with the PSU even though Corsair doesn't seem to use actual Molex brand connectors. I could tell the crimp pins were slightly different. The extraction tool is also slightly too slim for whatever brand pin housing that Corsair uses, which means it took a little more wiggling and pulling than ideal, but it did work. The crimp pins I bought for the SATA connectors didn't match, so I did use SATA housings linked above and used a generic Molex crimper for those. The generic crimper didn't work as well as the ratcheting crimper for the Minifit Jr connectors.

To make things easy, and not have to look at wiring diagrams, I just did it one wire at a time, extracting the pin, cutting the wire to the correct length, crimping a new pin, and then inserting back in.

Sure thing bud. As for tools, I used some of the recommended ones from this post, to be exact, the sn-28b, which worked perfectly fine for crimping terminals. I used this wire stripper for my stripping needs, it was ok, it doesnt have a short enough 'stop' to get exact strips for the short lengths needed for sleeving. I had to eyeball each strip length. Also got a generic soldering/cutting mat, and this soldering iron kit on Amazon, which was actually a really good purchase. The soldering iron comes with multiple tips, the temperature dial seems to work for lowering and raising temperature, and the 2mm thick sponge(when wet) they included for wiping the iron was good for a laugh.

The multimeter included with the kit worked perfectly fine once I figured out how it worked, which took watching some youtube videos because there was no instruction manual. It was also my first soldering iron, and first time soldering for my own pc's custom length power cables, which I will probably post later this week. There was also these helping hands I got solely because it has so many arms. Works perfectly fine, except the metal on the clamps is a little thin and I was able to twist the metal when trying to insert the clamp into the arm too forcefully. There were also some tools I got on Mainframe Customs, despite the higher cost. This terminal extractor was worth every penny, I still havent managed to break the damn thing yet after doing all of the extensions for my husband and the full custom cables on my own pc. I had heard the prongs are fragile, so I have been very careful with it. If youre going the coreless paracord route, this paracord threader will save you hours of headache. Worth every penny.

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As for the actual materials, I got all of it from Mainframe Customs, except for these absolute piece of shit molex terminals. I will not use these again even if they are free delivery, they cracked and broke 40-50% of the time, wasting wire because it was all trimmed to precise lengths, and you cant get the partially crimped terminal off the wire without cutting it up. I recommend these from Mainframe Customs. Far superior, never broke on me unless I messed something up. I used the wonderful coreless paracord MC offers, I bought 50 feet each of neon turquoise, and teal, and 75 feet of white. The reason I went with paracord was the teleios PET sleeving I wanted, polar white, was out of stock when I got the money to buy materials. Looks like it goes back into stock today though, lol. The wire I chose was both 16awg and 18awg.

I suppose I made a mistake using 18awg wire for my own PC and its cables, because when I received my second order with the 16awg wire I used for the extensions in this post, I realized that the 16awg wire felt much heavier and more premium in the hand, and I instantly wanted to redo my entire PC with the 16awg wire. But instead I made the extensions for my husband. I chose 18awg wire for my pc because my research told me it is more flexible.

Other materials included this clear heatshrink which is absolutely CHEATING for heatshrink-less style sleeving. Once you figure out where to put the flame of your lighter(my torch ran out early and wasnt refillable, silly me), you can watch the sleeving melt right before your eyes, and know exactly when to turn the wire, and when to stop melting. Extremely recommended. Also available in sata size, note however that you cannot do heatshrink-less style on sata data cables, I should've researched more, would've probably gotten white heat shrink.

I also bought exactly 2 feet of this sata teleios sleeving, for my extremely short 6 inch sata cable, which ironically is still slightly too long. I had to cover the red wire in white electrical tape so you couldnt see the red cable underneath. I think it came out pretty good.

I got ALL of my connectors from Mainframe Customs. The black ones for my pc work perfectly, they seem durable enough to withstand my constant tinkering with the pc. I also got all of my cable combs from MFC. I originally intended to cut up a 24 pin and a 12 pin, to comb the 10 pin and 18 pin coming out of the psu, but decided it would be too much hassle. I also picked up a bunch of these cable clips for cable management on the back of my pc, mostly for routing the 8+4 eps cable. They are a little small for a sleeved wire though, even the smaller gauge wire I used for my pc.

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I think that covers just about everything. :)

Oh... yeah, then ATX terminals should be no problem for you. I like the MDPC-X crimp tool, but it's pretty spendy too. Here's the best budget priced crimper I know of.

https://www.amazon.com/dp/B017JU20Z6/ref=emc_b_5_t

This crimper is for 18-28ga, there's another model if you need 16-24ga.

https://www.amazon.com/dp/B0863MV9NG/ref=emc_b_5_t

You can either resolder the broken piece, replace the entire wiring harness, or re-crimp the connection. Here's the crimping tool I use and these are the terminals. You 'll only have a few chances at re-crimping the connection before the wire gets trimmed too short to reach the motor so practice on some other wire before going for the real thing.

Can remove the pins using staples but I doubt you’d be able to do anything worthwhile without a crimper. I use this to sleeve my own cables and it works well.

Should be able to get a crimo kit on amazon for like 30-40$ takes a few youtube videos/trial and error to use the cheap crimps effectively but they work well enough. I use: https://www.amazon.com/dp/B017JU20Z6/ref=cm_sw_r_cp_apa_knsmBb94YN2B9

I have this. Similar, but maybe just not quite as good...