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Jack Nut Kit
Jack Nut Kit
☑️ Real threads in metal, drywall, or wood
☑️ Skip the welder and the tap
☑️ 30 nuts, 3 sizes, screws included
⚠️ Low on stock - last batch of this run
Couldn't load pickup availability
Get it between - and -.
I was mounting a cargo rack to the inside wall of my trailer and had no way to get behind the panel. These solved it in about ten minutes. Drilled, dropped them in, tightened the screw and they locked down solid. Rack hasn't budged in four months of towing.
I've stripped out more sheet metal screws than I care to admit. Used these to remount a fender liner and the difference is night and day. You get a real machine thread instead of a screw chewing into thin metal. Wish I'd known about these years ago.
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Free Shipping Included ✅
90-Day Money-Back Guarantee 🛡️
Works in sheet metal, drywall, and plywood 🛠️
Every Thin Panel Job Made Simple
30 or 90 jack nuts in M4, M5, and M6 with screws included. Drill, drop in, tighten. The petals fold out behind the panel and you've got a permanent machine thread in sheet metal, drywall, plywood, or plastic.
Carbon steel, zinc plated so it holds up in the shop, the bay, or outside. All three sizes on hand means you <u>finish the job the first time</u>.
🔩 no rivet gun, just a drill and a screwdriver.
DIYers are calling it the "fastener that should've existed"
Thousands installed by builders and mechanics
96%
Said it held tighter than any sheet metal screw
94%
Noticed that this product has significantly improved their life.
92%
Never had to reach behind the panel
Based on feedback from our first 500 customers
Includes a Sizing Chart So You Drill It Right the First Time
M4, M5, and M6 with matching screws, plus the chart most kits leave out. Exact drill bit, grip range, and material thickness for every size.
Drill once, hold tight. No guessing, no ruined panels.
How We Compare to Regular Screws
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Real machine thread that won't strip |
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No special tool to buy |
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Grips from behind the panel |
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Holds without pulling out |
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3 sizes and screws in one kit |
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No experience needed |
Hold Tight Guarantee
If GripNut doesn't hold, you don't pay. Put it to work on your license plate, trim, trailer wall, or whatever's giving you trouble. If it doesn't grip as expected in 90 days, send us a photo and your order number and we'll fully refund you.
No return needed, and you keep the nuts. After 90 days, you're still covered by lifetime replacements, so if a nut ever fails to grip, we'll send you a new one free.
FAQ's
How do jack nuts actually work?
How do jack nuts actually work?
You drill one hole, drop the nut in, and tighten the screw.
As the screw pulls, the petal body folds outward and clamps behind the panel. That leaves you with a real machine thread in material that was never thick enough to hold one.
Bolt into it, take the bolt out, bolt into it again. Sheet metal screws can't do that.
The whole install happens from the front, so it works in trailer walls, body panels, and ducting where you can't reach behind.
No welding, no rivet gun, no backing plate. Just a drill and a screwdriver.
Do free gifts come with every order?
Do free gifts come with every order?
Yes. Every GripNut kit ships with three free extras:
- Step Drill Bit – $8.99 value, free
- Jack Nut Sizing Chart – $4.99 value, free
- Lifetime Replacements – $14.99 value, free
The bit cuts the hole. The chart tells you which size to use. The guarantee covers you if one ever fails.
Do I need to be experienced to install these?
Do I need to be experienced to install these?
No. If you can use a drill and a screwdriver, you can install these.
There's no special tool to buy and no technique to learn. Drill, insert, tighten. Most people get the first one in under two minutes.
Pros use them for the same reason beginners do: it's the fastest way to put a thread in thin material.
What materials can I use them in?
What materials can I use them in?
Sheet metal, drywall, plywood, plastic, fiberglass, and thin panel of most kinds. Anything too thin to hold a threaded fastener on its own.
How thick can the material be?
How thick can the material be?
Each size has its own grip range. The included sizing chart lists the drill bit and material thickness for M4, M5, and M6 so you don't have to guess.
Will they rust?
Will they rust?
No. Carbon steel with zinc plating. They hold up in humid shops, engine bays, and outdoor mounts. For saltwater or constant submersion, use stainless.
How much weight will they hold?
How much weight will they hold?
More than a sheet metal screw in the same panel, because the load spreads across the folded petals instead of a few threads biting into thin material. Pull-out strength depends on your panel thickness.
Can I remove them?
Can I remove them?
The screw backs out and can be reused as many times as you want. The nut body itself is permanent once the petals are set.
Which set should I get?
Which set should I get?
The 30-piece if you have one job in mind. The 90-piece or even more i'd do if you're doing a van build, a trailer, or shop cabinets, where you'll burn through one size fast.
Which countries do you ship to?
Which countries do you ship to?
We ship GripNut worldwide. If your country shows up at checkout, we can get it to your door.
Estimated delivery times:
- USA: 5–8 business days
- UK: 7–11 business days
- Australia & Canada: 8–12 business days
- Europe: 8–12 business days
- Rest of world: 13–18 business days
What our customers think..
Customer Reviews
Overall rating: 4.6 / 5 from 200 reviews.
Exactly what i was looking for to attach a metal safe to my car. It will definitely anchor the safe dwn securely. Arrive fairly quick
The product’s durability is quite strong for it’s purpose
Muy buenos
Exactly what i was looking for to attach a metal safe to my car. It will definitely anchor the safe dwn securely. Arrive fairly quick
Hello, how are you? Order received. Thank you very much.
It was good
Hi there, order received. Thanks a lot! 👍🏻
Definitely worth buying
Very reliable
ready quality and sturdy
Exactly what I expected
Would purchase again
Super impressed with the durability
Great value overall
Really solid and well made
Would buy again for sure
Very happy with my order
Great value for the price
These exceeded my expectations
Great experience overall
Happy with how everything turned out
I’m glad I bought these
Exactly what I was looking for
Really happy with the results
Great product, no complaints
They work perfectly
No problems at all.
Everything was perfect
No complaints whatsoever
Everything arrived as expected
They did the job perfectly
Really nice quality for the price
Very satisfied with the quality.
Exactly what I needed
They work really well
Really pleased with the quality
Definitely a good buy
No issues at all
Very reliable