FBN-2 FabNut 3/8"-16 Round T-Nut

Quantity Per Pack

Ever get irritated trying hold a nut on one side and awkwardly bending around to get the bolt to match up with it? Wait.. call your neighbor over to help you, but then he sticks around and drinks your beer for the next 2 hours, here at CertiFlat we have come up with a simple fix and it’s our FabNut, this is made right here in Minnesota at our shop. With this design you can simply pop the FabNut wherever you want on your CertiFlat products and comfortably bolt things down and the nut will stay in place like your neighbor should only at their house… you’re welcome.   Our FabNut features the following:
  • Ultra-Strong pre-hardened 4140PH steel
  • Zinc Plated for corrosion resistance & Long Life
  • Fit CertiFlat Products
  • 3/8-16 threads for bolt down
  • Use any 3/8"-NC bolt (bolt not included)
  • O-ring groove to hold the FabNut in place
  • Fits all tables CertiFlat produces which are 3/16"-1/2"
  • Fits other manufacturers tables with 16MM holes
Match these FabNut’s with our FabSpacers for accurate locating. Gone are the days of stretching around things to bolts your work down, this simple design solves so many frustrating times in your day. These FabNuts will work perfect on our Weld Positioner and all tables and accessories here at CertiFlat Guaranteed for life, FabNut is an accessory you just can't live without. The perfect complement for your CertiFlat Table and all accessories.

Unless you are making arrangements to pick up your purchase, all items require shipping.

How much is it to ship?

  • Shipping is currently flat rate and it depends on the weight. All pro tables can ship UPS to your door for max $69.99.
  • FabBlocks MUST ship freight, that rate is $69.99 to a commercial address or terminal or $99.99 for a residential delivery with liftgate.
  • Depending on where you live, the largest block we can put on a liftgate is 4’x8’. Some areas are limited to 90” length.

Most certiflat items are very heavy. UPS has a weight limit of 150lbs.

  • Our pro table line, and 24x36/24x48 mini blocks can be split up and ship in multiple boxes via ups.
  • The 36x48 mini block and regular fabblocks need to ship freight due to number of parts and weight.
  • Fabblocks smaller than 60" can be delivered to a residential address with a liftgate, anything larger will either need to go to a shipping terminal for you to pick up, or delivered to a commercial address with a dock/forklift.

Home based businesses and farms do not qualify for commercial status even with a forklift.

  • We will be flagged with a residential delivery and residential delivery must be purchased when adding products to your shoppinng cart.
  • The flat rate shipping offers are to the lower 48 contiguous states.
  • We also ship to alaska, puerto rico, haiwiaii, canada & mexico, contact us for a quote.


  • Call or text us at 651.800.4877
  • Email us at admin@tabandslot.Com
Customer Reviews
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Filter Reviews:
    Gary S.
    United States

    Great Fit

    I tried them out on my "CertiFlat welding table" and they work great. I have never been disappointed with anything I've bought from Weld Tables. When you're good, you're good!

    Russ B.
    United States United States

    Unique approach to a basic much needed item.

    The first time I came across these FabNut T-Nuts my reaction was I need these. The premise of holding these in place with an o-ring is simply the best solution to an ever challenging task, not to mention time savings. I definitely plan on buying more of these.p

    Stuart S.
    United States United States

    Nice nuts

    Great addition to the weld table.

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