When it comes to high-load, vibration-resistant fastening in concrete and masonry, expansion anchor bolts are a top choice for construction professionals and bulk buyers worldwide. At Hardhawk Fasteners, we supply a full range of mechanical expansion anchor bolts engineered to deliver secure, long-lasting performance in both static and dynamic load conditions.
Whether you’re sourcing for industrial installations, infrastructure construction, or general structural anchoring, our expansion anchors offer reliable strength, global standards, and bulk supply support.
๐ง What is an Expansion Anchor Bolt?
An expansion anchor bolt is a mechanical fastener that expands against the walls of a pre-drilled hole in concrete, block, or brick when tightened. The expanding action provides strong frictional holding power.
Types of expansion anchors include:
- Wedge Anchor Bolts
- Sleeve Anchor Bolts
- Drop-In Expansion Anchors
- Shield Anchors
- Bullet Anchors
These anchors are suitable for applications such as:
- Structural steel connections
- Fixing machinery and equipment
- Mounting faรงade frames and support brackets
- Attaching rails, fences, gates, and signboards
๐ Common Sizes & Technical Parameters
We manufacture a wide range of metric and imperial expansion anchor bolts, such as:
- M6, M8, M10, M12, M16, M20, M24
- Lengths: 40mm to 300mm
- Materials: Zinc-plated steel, hot-dip galvanized, SS304, SS316
- Grades: 4.8, 6.8, 8.8, 10.9
All anchors comply with international standards like DIN, ASTM, ETA, and BS.
๐ฆ Designed for Bulk Orders and OEM Needs
At Hardhawk, we understand the needs of distributors, importers, and contractors. Our expansion anchor bolts are:
- โ Tested for tensile and shear load capacity
- โ Available with OEM/ODM packaging
- โ Delivered with batch traceability and certificates
- โ Offered in full container or LCL quantities
Lead time for bulk orders: 7โ20 days, with delivery ports in Qingdao and Shanghai.
๐ Explore Full Anchor Bolt Series
Looking for more than just wedge anchors? We also offer:
- Chemical Anchor Bolts
- J-Type Foundation Bolts
- Through Bolts for Concrete Structures
- Countersunk Head Anchor Screws
Visit our anchor product center: https://hardhawk.cn/
๐ Let’s Talk Wholesale Orders
If you’re a hardware supplier, B2B distributor, or construction contractor, contact us for your expansion anchor bolt requirements.
๐ฉ Email inquiries, sample requests, and RFQs are welcome.