Self-Tapping Metal Expansion Screws & Wall Anchors – 20/50/100
Self-Tapping Metal Expansion Screws & Wall Anchors – 20/50/100
Self-Tapping Metal Expansion Screws & Wall Anchor Kit
Get a rock-solid hold on concrete, drywall, and masonry surfaces with these heavy-duty self-tapping expansion screws and anchor tubes. Built from plain carbon steel, each serrated screw bites into the wall anchor to expand on contact, locking your fixtures firmly in place. Perfect for home decoration, room renovation, shelving installs, and a wide range of DIY or professional construction projects.
Why You'll Love This Kit
- Carbon Steel Construction: Made from durable plain carbon steel for lasting hold in demanding conditions.
- Self-Tapping Design: Bites directly into the expansion tube — no pre-drilling of the screw required, saving you time and effort.
- Serrated Grip: The serrated shank and expansion tube work together to maximise holding strength in concrete and masonry walls.
- Heavy Load Support: The expansion mechanism significantly enhances stability and the ability to support heavier loads.
- Lightweight & Easy to Install: Compact round profile makes handling and installation quick and straightforward.
- Versatile Use: Suitable for home fixtures, wall décor, shelving, electrical conduit mounting, and general construction.
- Multiple Quantity Options: Available in 20-set, 50-set, or 100-set packs — choose the right amount for your project.
Specifications
| Material | Plain Carbon Steel (Iron) |
| Size | 8 mm / 10 mm |
| Item Shape | Round |
| Screw Type | Self-Tapping / Tamper-Resistant |
| Applicable Surfaces | Concrete, Masonry, Drywall, Block Walls |
| Country of Origin | Made in China |
Package Contents
- 20-Set Pack: 20 screws + 20 expansion tubes
- 50-Set Pack: 50 screws + 50 expansion tubes
- 100-Set Pack: 100 screws + 100 expansion tubes
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Frequently Asked Questions
Q: What surfaces are these self-tapping expansion screws suitable for?
A: These expansion screws and anchor tubes are designed for use in concrete, masonry, block, and drywall walls, making them ideal for a wide range of home renovation and construction applications including fixing shelves, frames, and fixtures.
Q: Do I need any special tools to install these wall anchors?
A: Installation is straightforward — drill a hole in the wall to match the anchor tube size (8 mm or 10 mm), insert the expansion tube, then drive the self-tapping screw in with a standard screwdriver or drill. No specialised tools are required.
Q: How many screws and anchors are included in each pack?
A: Each set is sold as a matched pair of screw and expansion tube. The 20-set pack includes 20 screws and 20 tubes; the 50-set pack includes 50 of each; and the 100-set pack includes 100 of each — giving you plenty of supply for larger projects.
Q: Are these screws rust-resistant?
A: The screws are made from plain carbon steel, which provides strong structural integrity. For outdoor or high-moisture environments, we recommend sealing or coating the installed screws for added longevity.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.