[5pcs] 4 Awg - 3/8 Stud, Copper Wire Lug, Ring Terminal, Battery Cable End, Cable Lug, Wire Connector by KeeRoarin

(1259 Reviews)

Price
$4.99

Size
Quantity
(20000 available )

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50 Ratings
46
4
0
0
0
Reviews
  • J

    > 3 day

    I ordered the 2/0 terminals for an inverter setup for my vehicle. These things are beefy, as expected. They crimp well and have lots of contact surface to make a good connection. I am very happy with the build quality, these things look like they will last.

  • J. Kelley

    > 3 day

    Great - Solid copper accurate sizing The foot of the terminal where you mount the lug is about 2mm thick and will mount without bending too much on its own. Flared receptacle end, crimps easily

  • Grunthunter

    > 3 day

    Exact size I wanted

  • B. Burton

    > 3 day

    I ordered the 4AWG 5/16 terminals and when I first received them I thought I had the wrong gauge. They appear much larger than some other existing 4awg terminals I have. Upon further inspection, I think theyre actually better quality. Using a micrometer, I measured the same internal diameter as my others (about 7.5mm), and this one is actually a little more round. I think 2 things make it look larger. The first is it has a flared end where the wire goes in, and the second is that it fully encloses the wire. The flared end is is good to help you insert the wire, but on the other hand it could be harder to crimp flush with your wire. This terminal is also thicker than my others (2mm). Additionally, when the wire is fully inserted, it will not stick out the other side as theres no opening opposite the entry; it is fully enclosed. Overall, this seems to be a good quality terminal.

  • Ladycage

    > 3 day

    Good for the price

  • James S.

    11-06-2025

    I got the 6 gauge 5/16(M8) lugs. Im using these on 4 gauge WindyNation wire. I found out that you cant match wire and lugs using gauge alone. The actual decimal diameter of a manufacturers gauge of wire varies a lot depending on the stranding, and bunching of those strands. Lug manufacturers tend to go larger with their ID to accommodate more wire designs. To get the best connection, you want the wire to fit snugly in the lug prior to crimping. If its way loose, your crimp will look bad and the connection will likely be poor. I always match the OD of the bare wire to the ID of the lug, and use gauge just as a loose reference. These lugs are about average in thickness. I measured these at .060. I have others that are .075, and I prefer that thickness. However, these are wider. That extra width allows more contact surface on my bus bars, battery terminals, etc. I think the extra width, and therefore extra contact area, is more important. The terminals fit my wire perfectly and crimp nicely. It would be nice if they came with heat shrink tubing, but theyre otherwise just about perfect. I recently also got the 1 Awg terminals and had the same great experience. The copper was thick enough, and the terminal itself was wide. These are well made terminals, and they were perfect for my needs once again.

  • ltgiccg

    > 3 day

    I got the 8 AWG - 1/4 lugs. They have a nice thickness. I cut into one with a Dremel and it seems to be solid copper. An 8 AWG wire fits fine and a 1/4 bolt fits the ring with only a bit to spare. Exactly what I needed!

  • Joe c.

    Greater than one week

    quality product for the price. holds good with solder. crimps nice dont break apart like other brands.

  • A.N.

    > 3 day

    Get er done! Heavy duty battery cable ends. Made of Copper ready to install

  • JLK

    > 3 day

    Ive purchased several copper lugs for heavy duty solar wiring. These seem as good any of those. I go the 0 AWG size, and the cable fits easily but snuggly into the lug--thanks to the flared end of them. And it is easy to crimp.

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Wire Lug By KeeRoarin

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  • There are different size for you to choose, to meet your requirement on Auto maintenance or industrial use.
  • American wire gauge Battery copper cable lug (ring terminals), suitable for Auto maintenance and Industrial & Scientific Electrical, etc.
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  • The cable lug make of 99.99% pure copper, provides high conductivity and low resistance for maximum current flow, and ensure not corrode and rust.
  • The surface is acid-washed for better contact with electrical components to improve conductivity for maximum current flow and excellent electrical conductivity
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  • These ring terminals with sealed design, avoiding electrical components, batteries cables contact with moisture.
  • Also prevents solder from leaking during installation.
KeeRoarinKeeRoarin

WHO is KeeRoarin ?

  • KeeRoarin is an Auto parts brand, that provides quality auto parts for auto Maintainance.
  • We want to be your reliable partner, Backing up your driving.

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