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Heavy-Duty Concrete Screws | Masonry Screws from China Suppliers | Quality Fasteners by Hebei Chudu Factory
Product Overview
| Product Name | Concrete Screw / Masonry Screw / Concrete Anchor Screw |
| Head Type | Hex Head, Flat Countersunk Head |
| Drive Type | Hex / Phillips / Torx / Slotted |
| Standards | DIN, ANSI, or customized to project specifications |
| Material | Carbon Steel (Hardened Steel), Stainless Steel (SS304, SS316) – for corrosion resistance |
| Grade | Hardened Steel / A2-70 / A4-80 |
| Surface Finish | Zinc Plated (Blue / Yellow / White), Ruspert Coated, Hot-Dip Galvanized (HDG), Black Oxide or Custom Coating for Corrosion Resistance |
| Size Range |
Diameter: 5mm – 10mm (3/16" – 3/8") Length: 30mm – 150mm (1-1/4" – 6") Custom sizes and packaging available upon request |
Product Features
Direct installation into concrete or masonry without expansion anchors
High thread design ensures strong pull-out resistance
Anti-corrosion coatings for indoor and outdoor durability
Clean and removable fastening solution
Time-saving alternative to traditional anchor bolts
Available with multiple head styles for varied applications
Applications
Fixing door and window frames
Installing handrails and guardrails
Mounting electrical boxes, cable trays, and brackets
HVAC and plumbing installations
Securing structural components to concrete or brick walls
Residential and commercial construction fastening
Packaging & Delivery
| Packaging | Bulk in cartons with pallets, or plastic boxes, blister packs, and custom branding available. |
| Lead Time | 7–30 days depending on stock and order size. |
| Shipping Port | Tianjin, China |
Why Choose Us?
- Professional manufacturer of construction fasteners with over 10 years of experience.
- ISO 9001 certified with full in-house testing and inspection.
- Wide product range covering concrete screws, anchor bolts, and fastener systems.
- Flexible customization for head types, coatings, and packaging.
- Stable quality, timely delivery, and responsive service.
- Exported to Europe, South America, Southeast Asia, and more.
Frequently Asked Questions
Do concrete screws require pre-drilling?
Yes, concrete screws require a pre-drilled hole. It is essential to use the correct drill bit size (typically matching the manufacturer's specification) and drill slightly deeper than the screw embedment depth to allow room for dust.
What materials are concrete screws made of?
They are primarily manufactured from hardened carbon steel for standard applications, or stainless steel (such as SS304 or SS316) for projects requiring superior corrosion resistance.
What is the advantage of using concrete screws over traditional expansion anchors?
Concrete screws thread directly into the masonry, providing quick installation, high pull-out resistance, and the ability to be removed cleanly. Unlike expansion anchors, they do not create expansion stress in the concrete, allowing them to be installed closer to edges.
Can concrete screws be reused?
While concrete screws can be easily removed, reusing them in the same hole is not recommended for structural or heavy-load applications, as the internal threads cut in the concrete may degrade, reducing holding power.
Which coatings are best for outdoor use?
For outdoor or high-moisture environments, Ruspert coated, hot-dip galvanized (HDG), or stainless steel concrete screws are recommended to prevent rust and ensure long-term durability.