Concrete Anchors
Secure Concrete, Build with Confidence
Heavy-Duty Hold, Zero Compromise
Sinsun Anchors: Strength in Every Bolt
Factory Direct Concrete Anchors Manufacturer | Sinsun Concrete Fasteners for Heavy Duty & Stainless Steel Anchors
Sinsun is a leading concrete anchor factory with over 200 production units. We supply stainless steel concrete anchors, concrete block anchors, strike anchors, wedge anchors, and sleeve anchors for construction, infrastructure, and industrial applications. ISO9001 certified with 40,000 tons annual capacity.
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Sinsun concrete anchors (also known as masonry fasteners or masonry anchors) are mechanical devices designed to attach fixtures to masonry, brick or block surfaces. As a premier concrete anchor manufacturer, we offer a complete selection of anchors, including stainless steel concrete anchors, masonry block anchors and Strike Anchors (hammer set anchors). Our 1, 2 and 3 8 concrete anchor lines are designed for high performance. They are built with strict quality control, high quality materials and a revolutionary design that guarantees maximum holding power in solid and hollow substrates. This is unlike the competition.
Sinsun concrete anchors are not like generic anchors, but are tested to international standards, so they are suitable for professional contractors and DIY enthusiasts alike. Each anchor is precision manufactured to perform consistently whether it is for light duty shelving or heavy duty industrial equipment. We offer a complete range of products to match all the main types of anchors, so we can provide the ideal solution for your project requirements.
| Anchor Type | Diameter (in) | Drill Bit Size (in) | Min Embedment (in) | Pull-Out (lbs)* | Shear (lbs)* | Material Finish |
|---|---|---|---|---|---|---|
| Strike Anchor | 1/4" | 1/4" | 1" | 675 | 1,200 | Zinc / Yellow Zinc |
| Strike Anchor | 3/8" | 3/8" | 1-1/2" | 1,650 | 2,550 | Zinc / Yellow Zinc |
| Strike Anchor | 1/2" | 1/2" | 2" | 2,700 | 5,400 | Zinc / Yellow Zinc |
| Strike Anchor | 5/8" | 5/8" | 2-1/2" | 4,050 | 4,950 | Zinc / Yellow Zinc |
| Wedge Anchor | 1/4" | 1/4" | 1-1/4" | — | — | Zinc / HDG / SS |
| Wedge Anchor | 3/8" | 3/8" | 1-3/4" | — | — | Zinc / HDG / SS |
| Wedge Anchor | 1/2" | 1/2" | 2-1/2" | — | — | Zinc / HDG / SS |
| Wedge Anchor | 5/8" | 5/8" | 3" | — | — | Zinc / HDG / SS |
| Wedge Anchor | 3/4" | 3/4" | 3-1/4" | — | — | Zinc / HDG / SS |
| Sleeve Anchor | 1/4" | 1/4" | 1" | — | — | Zinc / Stainless Steel |
| Sleeve Anchor | 3/8" | 3/8" | 1-1/4" | — | — | Zinc / Stainless Steel |
| Drop-In Anchor | 1/4" | 3/8" | 1" | — | — | Zinc |
| Drop-In Anchor | 3/8" | 1/2" | 1-1/2" | — | — | Zinc |
| Drop-In Anchor | 1/2" | 5/8" | 2" | — | — | Zinc |
Concrete Anchors Technical
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Material
Carbon steel (zinc-plated, hot-dip galvanized), 304/316 stainless steel
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Finish
Zinc-plated (yellow/clear), hot-dip galvanized, stainless steel (passivated)
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Load Capacity
Light-duty (50–500 lbs), medium-duty (500–2,000 lbs), heavy-duty (2,000–10,000 lbs)
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Operating Temperature
-40°F to 180°F (-40°C to 82°C)
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01Construction & Structural Anchoring
Concrete anchors fasten structural steel, beams, columns and railings in commercial and residential buildings. Structural integrity with our heavy duty wedge anchors in solid concrete for high loads. Perfect for construction builds, renovations and infrastructure projects like bridges and tunnels.MORE -
02Industrial Equipment Installation
Stainless steel concrete anchors fasten machinery, conveyor systems and warehouse racking to solid floors. They are corrosion resistant in factory environments exposed to moisture or chemicals. 1 2 and 3 8 concrete anchors. These are common for mounting medium to heavy equipment.MORE -
03Electrical & Mechanical Fixtures
Block anchors and strike anchors are used for securing electrical boxes, conduit, HVAC straps, and pipe hanging systems. It's easy to install, and is suitable for light-to-medium duty fixtures on concrete block or brick walls. The safety of the public is increased by tamper-resistant designs.MORE -
04Outdoor & Coastal Projects
Stainless steel concrete anchors are ideal for outdoor, coastal and high moisture applications where rust and corrosion are issues. Excellent for fixing signs, fences, railings and outdoor furniture to concrete. In harsh environments, their durability cuts down maintenance needs in harsh environments.MORE -
05Bridge and Highway Infrastructure
Concrete doesn’t last forever without help. Bridge railings, sound barriers, lighting poles, and crash cushions all anchor into aging concrete that may already have hairline cracks or spalled surfaces. Adhesive anchors are often the safest choice here because they don’t rely on expansion forces that could split compromised concrete.MORE
Frequently Asked Question
Q What’s the difference between mechanical and chemical concrete anchors?
A:Mechanical anchors expand via physical force for instant holding power. Chemical anchors use epoxy resin, ideal for cracked concrete and ultra-heavy load bonding.
QCan stainless steel concrete anchors be used in saltwater environments?
A: Yes. 316 stainless steel anchors deliver strong saltwater and corrosion resistance, fully suitable for coastal and marine projects.
QWhat size drill bit do I need for a 3 8 concrete anchor?
A:You need a standard 3/8-inch drill bit to match the anchor diameter for standard and firm installation.
Q Are strike anchors reusable after installation?
A:No. Strike anchors are permanent one-piece fasteners, which cannot be removed or reused without substrate damage.
QWhat’s the maximum load for a 1 2 wedge anchor in solid concrete?
What’s the maximum load for a 1 2 wedge anchor in solid concrete?
Q Can concrete block anchors work on solid concrete?
A: They can work but are optimized for hollow blocks. Wedge anchors are better choices for solid concrete for higher load capacity.
QDo Sinsun concrete anchors support international project standards?
A:Absolutely. All our anchors comply with ASTM E488 and ETA certifications to fit global construction project requirements.
QWhat is the bulk lead time for Sinsun concrete anchors?
A: Regular in-stock sizes ship within 7–10 days. Customized orders take 15–20 days with flexible MOQ support.
QHow to pick the right concrete anchor for my project?
A: Judge by substrate type, load weight, usage environment and installation conditions. Contact our team for free professional matching suggestions.
Ready to Spec a Heavy Duty Anchor for Your Next Project?
You need anchors that hold heavy loads, shift after shift. We manufacture them in our own factory. Batch‑tested. Traceable. Ready to ship.
Sinsun Fastener – Heavy Duty Holding Power, Factory Direct.
Request a quote. Tell us your thread size (M6 / M8 / M10 / M12 / M16), quantity, substrate type, and any special requirements (cracked concrete, seismic zone, marine environment). We‘ll reply with factory pricing and lead times within 24 hours./p>
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As a professional concrete anchor manufacturer, Sinsun combines decades of manufacturing experience with strict quality control. We insist on adopting premium raw materials and precision processing technology for every anchor product. All items undergo repeated load and corrosion tests to ensure stable and reliable on-site performance.
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ReviewsReal Jobs, Real Results
TAH Dohchor
2022 05 03Best smart watch purchase in my life. I was expecting it to be basic but didn't expect so much more. It has everything! And it's so stylish as well. The best part is everywehere I go, people ask me where I bought it from.
Klaus W., Project Engineer, Hamburg
2022 05 03What impressed me most was Sinsun’s willingness to produce a custom stainless steel sleeve anchor length that no one else wanted to touch. Our bridge handrail retrofit required a very specific embedment depth because the existing concrete had variable thickness. Other factories quoted us 12-week lead times or simply said no. Sinsun delivered a production sample in 10 days and full order in 4 weeks. The A4 stainless steel finish is holding up against road salt and winter freeze-thaw cycles with zero signs of pitting after two seasons. I wasn’t expecting that level of responsiveness from a supplier on the other side of the world.”
James R., Procurement Manager, Perth
2022 05 03We’ve been importing anchors from three different suppliers over the past five years, and Sinsun is the first one where every single box matched the spec sheet. No short threads, no undersized diameters, no soft steel that strips on installation. We used their 1/2” wedge anchors to secure a conveyor support structure at our Western Australia site — the load calculations called for 2,700 lbs pull-out minimum, and Sinsun’s anchors delivered consistently across all 180 installation points. Their pricing undercut our previous supplier by 22% on the same DIN spec.”
Poland | Anna Nowak
2025 11 03Our renovation team relies heavily on Sinsun concrete block anchors and strike anchors for old masonry building upgrades across Poland. Most historic buildings have fragile hollow brick and block walls, yet these anchors expand evenly and stably without cracking or damaging the original substrates. The popular 3/8 concrete anchors deliver steady holding power for railings, wall cabinets and electrical fixture installations. Uniform product dimensions greatly simplify on-site installation, and the professional technical support always solves our product selection problems quickly.