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Regular Underwire - Heavy Gauge Wires - Replacement Wires

Regular Underwire - Heavy Gauge Wires - Replacement Wires

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Starting at: $2.90
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Package Quantity:
  • Units in Stock : 3538


This is a heavy gauge 1/8 inch wide by 1/16 inch thick. These are nylon coated underwires. The colored ends indicate the center front of the bra. These wires are ideal for replacement of broken underwires on bras cup sizes A through F.

These are traditional regular underwires that fit the average of bras. Not all manufacturers use recommended sizes and styles, so please check the measurements against any wires you are replacing. If you are making a custom bra for the first time, I recommend purchasing 3 wires - one that is recommended and once size up and down from the recommended sizes. You can return any unused wires.

Note that we are discontinuing the 2 pair packages, so once they are gone, they will not be restocked.

Give your broken and damaged bra a second life with Porcelynne’s closures, underwires and findings.

For sewing tutorials, product giveaways and underwire know-how, check out Porcelynne’s YouTube Channel and subscribe today.

We created a video on how to determine your replacement wire size: Replacing an Underwire: How to Choose the Correct Wire for Replacing a Broken Wire

Wire Sizes Approximate Wire Lengths Approximate Wire Widths Recommended Sizes
34 8 11/32"/212mm 5" 28E(DD), 30D, 32C, 34B, 36A, 38AA
36 8 27/32"/224mm 5 1/4" 28F(DDD), 30E(DD), 32D, 34C, 36B, 38A, 40AA
38 9 5/16"/237mm 5 1/2" 30F(DDD), 32E(DD), 34D, 36C, 38B, 40A, 42AA
40 9 13/16"/249mm 5 3/4" 32F(DDD), 34E(DD), 36D, 38C, 40B, 42A
42 10 9/32"/261mm 6 1/4" 34F(DDD), 36E(DD), 38D, 40C, 42B, 44A
44 10 25/32"/274mm 6 1/2" 36F(DDD), 38E(DD), 40D, 42C, 44B, 46A
46 11 5/16"/287mm 6 3/4" 38F(DDD), 40E(DD), 42D, 44C, 46B, 48A
48 11 3/4"/298mm 7 1/4" 40F(DDD), 42E(DD), 44D, 46C, 48B, 50A
50 12 1/4"/311mm 7 1/2" 42F(DDD), 44E(DD), 46D, 48C, 50B, 52A
52 12 3/4"/323mm 7 3/4" 44F(DDD), 46E(DD), 48D, 50C, 52B, 54A
54 13 7/32"/336mm 8" 46F(DDD), 48E(DD), 50D, 52C, 54B. 56A
56 13 11/16"/348mm 8 1/4" 48F(DDD), 50E(DD), 52D, 54C, 56B, 58A
58 14 3/16"/360mm 8 3/4" 50F(DDD), 52E(DD), 54D, 56C, 58B, 60A
60 14 11/16"/373mm 9" 52F(DDD), 54E(DD), 56D, 58C, 60B, 62A

You can download our wire chart to compare sizes."


Dale H. on Aug 7, 2019

I have used many types of underwires in 30 years of bra making, but these regular heavyweight underwires are THE BEST I have tried. I am sold and won't be using any others again. I am a wide root, so these are perfect, hold me well and are just so comfortable I don't even know I am wearing a bra.

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