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Affordable crimp tools for small connectors (Dupont, etc.)
Joebeazelman:
I feel your pain. Shopping around for a good set of crimpers is a bewildering experience. There are literally hundreds of brands to choose from with most being rebrands of the same Chinese-made set. It's tempting to just pick the most expensive one because it often tends to be the most popular or highly recommended, such as the Engineer brand. It doesn’t necessarily, however, guarantee the best value for your money. I have some tips for selecting a good one along with a couple of recommendations.
You can often discern the quality of the crimpers from the photos. The best crimpers have precision cut and hardened jaws. You can tell by the jaw’s razor-sharp edges and corners and its crisp profiles. The surface finish on the jaws is smooth and even polished in order for the wings to smoothly roll inside the die profile. Cheaper ones are either coated or blued to hide surface defects.
All that said, I have had nothing but stellar results with the iWISS IWS-3220M with JST and Dupont-styled pins. I have the older model with the blue grip. After trying several cheap and expensive ones, it's the only one that gives me a consistently strong factory quality crimp. The main issue with all the ratcheting type crimpers is the insertion and alignment of the terminal or pin. This one is no different, but the narrow jaw width gives you good visibility from both sides. I can only vouch for its performance on JST and Dupont Pins. It’s offered under other brands. At $23, they are a no brainer:
https://www.amazon.com/IWISS-IWS-3220M-Connector-0-03-0-52mm%C2%B2-Ratcheting/dp/B078WPT5M1/
The best crimpers I have used for larger terminals are the Zhushan VSB series. This is a slept-on crimper! It has a unique design and feels more substantial than crimpers that cost over $100. The action feels very smooth and effortless in the hand. At well under $20 a pair, they are a steal:
https://www.amazon.com/Crimping-Zhushan-0-5-6mm%C2%B2-Insulated-Terminal/dp/B08KGD68FN/
https://www.amazon.com/Terminal-Zhushan-0-5-1-0mm%C2%B2-Self-Adjusting-Non-Insulated/dp/B08L7SDYGY/
They offer other models but for some reason, they don’t show up readily on Amazon searches, so you may have to Google to find them.
tooki:
--- Quote from: Joebeazelman on June 22, 2021, 05:28:39 am ---I feel your pain. Shopping around for a good set of crimpers is a bewildering experience. There are literally hundreds of brands to choose from with most being rebrands of the same Chinese-made set. It's tempting to just pick the most expensive one because it often tends to be the most popular or highly recommended, such as the Engineer brand. It doesn’t necessarily, however, guarantee the best value for your money. I have some tips for selecting a good one along with a couple of recommendations.
You can often discern the quality of the crimpers from the photos. The best crimpers have precision cut and hardened jaws. You can tell by the jaw’s razor-sharp edges and corners and its crisp profiles. The surface finish on the jaws is smooth and even polished in order for the wings to smoothly roll inside the die profile. Cheaper ones are either coated or blued to hide surface defects.
All that said, I have had nothing but stellar results with the iWISS IWS-3220M with JST and Dupont-styled pins. I have the older model with the blue grip. After trying several cheap and expensive ones, it's the only one that gives me a consistently strong factory quality crimp. The main issue with all the ratcheting type crimpers is the insertion and alignment of the terminal or pin. This one is no different, but the narrow jaw width gives you good visibility from both sides. I can only vouch for its performance on JST and Dupont Pins. It’s offered under other brands. At $23, they are a no brainer:
https://www.amazon.com/IWISS-IWS-3220M-Connector-0-03-0-52mm%C2%B2-Ratcheting/dp/B078WPT5M1/
The best crimpers I have used for larger terminals are the Zhushan VSB series. This is a slept-on crimper! It has a unique design and feels more substantial than crimpers that cost over $100. The action feels very smooth and effortless in the hand. At well under $20 a pair, they are a steal:
https://www.amazon.com/Crimping-Zhushan-0-5-6mm%C2%B2-Insulated-Terminal/dp/B08KGD68FN/
https://www.amazon.com/Terminal-Zhushan-0-5-1-0mm%C2%B2-Self-Adjusting-Non-Insulated/dp/B08L7SDYGY/
They offer other models but for some reason, they don’t show up readily on Amazon searches, so you may have to Google to find them.
--- End quote ---
I agree with most of what you say, but I do question your DuPont crimps, since (as this thread explains at length), they are categorically impossible to crimp correctly in a crimper without a circular insulation die, which the 3220M does not have.
tooki:
--- Quote from: seanspotatobusiness on May 23, 2021, 05:34:07 pm ---Are the TZ-4228B and SN-4228B the exact same tool?
--- End quote ---
I would assume so. I haven’t seen anyone but Toozo sell it.
Joebeazelman:
Are taking about the same dupont connectors? Here is what I consider to be dupont connectors:
tooki:
--- Quote from: Joebeazelman on July 04, 2021, 05:43:59 am ---Are taking about the same dupont connectors? Here is what I consider to be dupont connectors:
--- End quote ---
Yep. The offset triangular insulation wings require a circular die to crimp correctly. They aren’t supposed to penetrate the insulation.
Perhaps share some good pictures of your crimped contacts?
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