Secure grip on thin materials
The petal-style expansion mechanism locks firmly in place, providing a strong, reliable hold even in light-gauge surfaces like tin and cardboard.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Strong, secure fastenings for thin materials
These self-drilling jack nuts with screws provide a reliable, pull-out resistant anchor for tin, sheet metal, cardboard, and other light-gauge surfaces. The petal-style expansion mechanism locks firmly in place for a strong hold in a range of DIY and industrial projects.
- Petal-style expansion mechanism grips thin materials securely
- Carbon steel construction for durability and strength
- Includes matching screws for a complete fastening solution
- Works with tin, billboards, cardboard, and other light-gauge surfaces
- Easy to install with basic tools
- Available in multiple pack sizes for projects of any scale
Why you'll love these jack nuts
Complete fastening solution
Each kit includes matching screws, so you have everything you need for a finished installation without sourcing extra parts.
Built to last
Carbon steel construction delivers durability and strength, making these jack nuts suitable for metalworking and general DIY applications.
Sized for any project
Choose from multiple pack sizes—32, 42, 48, or 90 pieces—to match the scale of your task, from small crafts to larger signage installations.
Specs
The details that matter
Built to last outdoors, season after season.
- Kit Size
- 32 Pieces Kit, 42 Pieces Kit, 48 Pieces Kit, 90 Pieces Kit
- Material
- Carbon steel
- Product Type
- Jack nuts with screws
- Compatible Materials
- Tin, billboard, cardboard, sheet metal
Comparison
Why choose these jack nuts?
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Grip mechanism
Petal-style expansion locks securely in thin materials
Basic threads that can strip or pull out
Installation
Self-drilling design for easy installation with basic tools
May require pre-drilling and extra steps
Kit contents
Includes matching screws for a complete solution
Screws often sold separately
Compatible surfaces
Works with tin, billboards, cardboard, and other light-gauge surfaces
Limited to standard sheet metal only
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
What materials can these jack nuts be used with?
These jack nuts work with tin, billboards, cardboard, sheet metal, and other light-gauge surfaces, making them versatile for signage, panels, and crafts.
What sizes are available?
The kit is available in four pack sizes: 32 pieces, 42 pieces, 48 pieces, and 90 pieces, so you can choose the right quantity for your project.
What are these jack nuts made of?
They are constructed from carbon steel, providing durability and strength for reliable fastening in a range of applications.
Do the kits include screws?
Yes, each kit includes matching screws, giving you a complete fastening solution without needing to purchase additional hardware.
How do these jack nuts achieve a secure hold?
The petal-style expansion mechanism grips thin materials securely, locking firmly in place to provide a strong, pull-out resistant anchor.
Are they easy to install?
Yes, the self-drilling design allows for easy installation with basic tools, suitable for both metalworking and general DIY projects.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.