Concrete Screws
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Your Specialist for Concrete Screws
Sinsun Fastener specializes in producing Concrete Screws to provide high quality, corrosion resistant and high strength masonry screws
Even with unmatched performance, Sinsun self tapping concrete screws are still cost competitive. Contact our cement screws sales team now to get your surprise quote
Professional Concrete Screws Supplier
Concrete screws, also known as Anchor Screws, are a type of self-tapping hardened steel screws designed for anchoring brittle substrates such as concrete and masonry. They are mechanically locked by directly cutting matching internal threads through special threads.
They do not require pre-embedded expansion tubes and achieve high-strength anchoring with their special threads and materials.
- Hex Washer Head:Model example: T20/T25 + hexagonal flangeFeatures: The flange can increase the contact area and prevent loosening, suitable for exposed installation
- Flat Head/Countersunk:Model example: T15/T20 countersunk headFeatures: The surface is flat after installation and highly concealed (such as ceilings and skirtings).
- Pan Head:Model example: T25 round headFeatures: Suitable for quick fixation in non-load-bearing areas (such as wire tube clips).
- Torx (star) head cement screws are the first choice for concrete installation due to their high torque transmission and anti-slip design
Model examples T20, T25, T30
Sinsun Brings For You
Diverse Concrete Screws
Self Tapping Concrete Screws
Sinsun fastener can supply Torx Concrete Tapping Screws have the advantages of efficient installation, strong pull-out resistance, non-slip and durability. They are the preferred solution for concrete anchoring, especially for projects where you need high precision and reliability.
- Size Torx self tapping masonry screws szie are T20/T25/T30 etc.
- Building decoration: fixing door and window frames, light steel keels, cable trays.
- Home installation: hanging TV stands, cabinets, bookshelves (load adaptation required).
- Infrastructure: installing guardrails, solar brackets, billboard bases.
Blue Concrete Screws
Concrete Screw Anchor, Flat Phillips Head, Diamond Point
- Diamond tipped precision – sinsun’s self-drilling concrete screws feature a sharp diamond tip for seamless insertion. Ideal for drilling into tough materials quickly and efficiently, without pre-drilling. Great for professionals and DIY enthusiasts.
- Corrosion resistant – our concrete screws are designed with a top-quality blue corrosion-resistant coating, guaranteeing durability. Suitable for any weather, your installation will remain strong and stable in every season
- Flat cross head excellence – countersunk design ensures a seamless fit, prevents protrusions, and achieves a polished, smooth fixture finish. Ideal for flush installation in concrete applications
Masonry Screws
Hex head concrete anchorsfor concrete is made up of top-notch 1022A hardness carbon steel,treated at high temperatures and blue ruspert plated can withstand hydrochloric acid corrosion for 1000 hours
- High and low thread hex head masonry screws fixing ability. It can quickly penetrate concrete slabs, bricks, etc.
- Hex concrete screwsare made of 1022A high quality carbon steel
- Hex head masonry screws are hardened and coated in a blue coating to protect them, which is part of the protective coating which extends the corrosion and rust resistance of the screw, making them suitable for exterior and long-lasting applications.
- Hex washer heads are easier to screw into. Anchor screws need to be at least 1 inch embedded in the masonry material to be properly installed.
Concrete Anchors Bolts
Concrete anchors are made of high-strength materials such as carbon steel and stainless steel to ensure durability and corrosion resistance, ensuring reliable operation in harsh environments from construction to industrial applications.
- Design & Engineering
These bolts are specially designed, including wedge anchors, sleeve anchors or bonded anchors, which can be tailored to different load requirements and installation conditions. - Wide range of uses
Concrete anchors are indispensable fasteners in building construction, used to fix structural members such as steel columns, mechanical equipment and safety guardrails. They are widely used in infrastructure projects such as bridges, highways and earthquake reinforcement.
Stainless Steel Concrete Screws
Stainless concrete screws are fasteners designed for hard and brittle substrates such as concrete, masonry, and blocks. They have the characteristics of high strength, corrosion resistance, and easy installation. They are widely used in construction, decoration, outdoor facilities, and other fields.
- Material advantages: Made of 304/316 stainless steel, they have super corrosion resistance and are suitable for humid, saline or chemical exposure environments. There is no risk of rust after long-term use.
- Structural design: Patented double thread + self-tapping pointed head design, quickly cut into concrete and increase the bite force by 30%, with non-slip hexagonal head, suitable for efficient installation with power tools.
- Application scenarios: Designed for anchoring concrete, masonry and steel structures, widely used in high-strength engineering fields such as building exterior walls, underground tunnels, and bridge reinforcement.
Concrete Block Screws
Sinsun’s concrete Screw is a professional-grade fastening solution designed for concrete block anchoring.
- Core material: Carbon steel heat-treated surface galvanized/epoxy coating, double protection against moisture and chemical corrosion, and extend the service life of block connectors.
- Optimized design: spiral cutting edge + deep thread design reduces the risk of cracking in masonry drilling, increases 30% embedding grip, and is suitable for hollow blocks and solid concrete.
- Efficient construction: self-tapping pointed head does not require pre-drilling, hexagonal flange head is compatible with impact drills, and the installation time of a single screw is shortened to 15 seconds, reducing labor costs.
- DIRECT SUPPLY FROM PROFESSIONAL MANUFACTURERS!
- CHOOSE SINSUN’S CONCRETE SCREWS, QUALITY IS THE BOTTOM LINE!”
Sinsun Fastener
Concrete Screw Different Surface Treatments
As a professional concrete screw manufacturer, we can provide and customize various surface treatments to meet the durability and service life of your concrete screws. Feel free to consult or provide the concrete screw surface treatment you want. We can feel your needs and provide the best price reference.
Features of galvanized concrete screws:
Concrete screws are immersed in zinc liquid at high temperature to form a thick zinc layer. Strong corrosion resistance (lifespan 10-20 years) and high cost performance.suitable for outdoor and high-moisture environments.
Concrete screws of electrolytically deposited zinc layer is thinner than the hot-dip galvanized zinc layer and can be additionally colored passivated (blue-white/yellow zinc).
Low cost, basic rust prevention, suitable for dry indoor environments.
Dacromet concrete screws coating is zinc aluminum sheet + chromate composite coating, no risk of hydrogen embrittlement.
Super strong rust prevention (salt spray test for more than 500 hours), high temperature resistance (300℃).
Phosphate chemical conversion coating (black/gray) for phosphating concrete screws.
It can improve the surface lubricity of concrete screws, reduce installation friction, and is relatively low-cost compared to galvanizing and Dacromet. But it needs to be used with grease.
Black oxide concrete screws are special screws for concrete with black oxide surface treatment, which have both basic anti-rust and low reflective properties.
Blue PTFE-Coated Concrete Screws are a special concrete screw that combines the anti-corrosion properties of PTFE coating with a blue logo. They are suitable for specific high-corrosion or low-friction demand scenarios.
Different Size of Concrete Screws
40mm Concrete Screws
50mm Concrete Screws
75mm Concrete Screws
80mm Concrete Screws
100mm Concrete Screws
120mm Concrete Screws
150mm Concrete Screws
180mm Concrete Screws
Different Type for Concrete Screws
Concrete screws no pre-drilling: With a self-contained drill bit design, no pre-drilling is required, and it can be drilled directly into concrete or masonry, suitable for quick installation
Best screws for cinder block: Designed for porous or hollow cinder blocks, the thread is optimized to provide a stable anchoring force when drilling into cinderblock.
Small masonry screws: Thin diameter (such as 4-5mm), used for light fixing or thin substrates, such as gypsum board and concrete connection.
Screws for concrete floor: Used to fix ground equipment or structures, with strong pull-out resistance, common expansion type or chemical anchor type
Concrete lag bolt anchors: Similar to traditional square head bolts, but the thread is designed for concrete, and it needs to be pre-drilled and used with expansion sleeves.
Black masonry screws: The surface is coated with black (such as phosphate or oxide layer), which is both rust-proof and concealed, suitable for both indoor and outdoor use.
Concrete ceiling screws: Designed for top surface installation, with strong vertical pull-out resistance, often used for ceiling, lamps or pipe fixing.
Long masonry screws: Extra long specifications (such as more than 150mm), used for deep anchoring or penetrating insulation layers, wood and concrete connections.
Exterior concrete screws: Weather-resistant materials (such as stainless steel or plated), UV-resistant and corrosion-resistant, suitable for outdoor environments.
Flat Head Concrete Screws: Countersunk design, flush with the substrate surface after installation, beautiful and scratch-resistant.
Pan Head Concrete Screws: Dome-shaped flat bottom head, providing a large pressure-bearing surface, suitable for scenarios where load dispersion is required.
Hex Head Concrete Screws: Hexagonal head adapts to wrenches or sockets, convenient for high-torque installation, and is often used for heavy-duty fixings.
Self Tapping Screws of Application
Screws For Concrete Walls
Screws for Concrete Walls are engineering-grade fasteners designed for anchoring concrete walls. They use self-tapping threads, corrosion-resistant coatings, and high-carbon steel reinforcement technology. They are suitable for fixing concrete structures in multiple fields such as construction, decoration, and industry.
- Outdoor billboard/light box installation: fix large metal frames and LED light boxes to concrete exterior walls. The self-tapping tip penetrates the steel layer, and the galvanized coating resists wind and rain erosion
- Indoor concrete wall mounting system: install heavy-duty shelves, TV stands, or decorative panels to indoor concrete walls. The flat head design is hidden and fixed. The anti-slip threads prevent loosening, which is suitable for home decoration and commercial space high-precision requirements.
- Industrial plant equipment suspension: anchor pipes, ventilation systems, or mechanical arm brackets to the concrete wall of the workshop. Carbon steel heat-treated screws can bear up to 800kg/screw, and the seismic performance has passed the ISO 898-1 standard test.
Lag Bolts For Concrete
High-strength anchor bolts designed for concrete substrates, combined with expansion sleeves and anti-pulling thread technology, provide super load capacity and seismic stability, suitable for penetrating concrete and bearing heavy objects hanging
- Connection between outdoor wooden structures and concrete foundations: used for fixing decks, pavilion wooden columns and concrete bases, galvanized surface resists rain corrosion, and double thread design prevents wood and concrete from loosening due to temperature difference deformation.
- Heavy equipment/shelf anchoring: rigid connection between factory workshop machinery, storage shelves and concrete floors/walls, single bolt tensile strength reaches 500kg, and seismic test complies with ISO 16130 standards.
- Concrete guardrail/fence reinforcement: metal bracket installation of concrete guardrails of bridges and parking lots, expansion sleeves evenly disperse stress, avoid cracking of concrete hole walls, and adapt to vehicle impact vibration.
Best Screws For Cinder Block
Cinder Block Screws: Secure Anchoring for Porous Masonry
Cinder Blocks are porous, lightweight, and have low strength, so special screws are required to ensure secure anchoring
- Cinder block retaining wall reinforcement: used for courtyard and driveway retaining wall block connection, deep thread bites the internal gap of the brick body, and a single screw has a pull-out force of 150kg to prevent the wall from deforming and cracking due to soil pressure.
- Cinder block sound insulation/insulation wall construction; fix sound-absorbing cotton and insulation board to cinder block wall, flat head design avoids penetrating the brick surface, maintains the integrity of the interlayer, and is suitable for filled structure construction.
- Anchoring of basement cinder block foundation; connecting steel beams, pipe brackets and cinder block foundations, galvanized coating resists corrosion in humid environments, and seismic performance is verified by ASTM E2126 standard.
Masonry Screws For Brick
Self tapping screws for brick are special fasteners designed for brick structures. They use self-tapping threads and anti-corrosion coating technology, are suitable for quick installation with electric tools, and perfectly meet the reinforcement and fixing needs of brick walls, brick facings and brick auxiliary structures.
- Brick wall earthquake reinforcement: used for the reinforcement of load-bearing walls of old red brick buildings, deep threads bite the internal structure of the brick body, improve earthquake resistance, and avoid the risk of wall cracking and collapse.
- Outdoor brick fence/column fixing: for courtyard brick fences, columns and foundation connections, galvanized coating resists rain erosion and ensures long-term outdoor stability.
- Indoor brick facing installation: fix cultural bricks and decorative brick veneers to the base wall, and the flat flange head is hidden to avoid destroying the aesthetic effect of the brick surface.
FAQ
Q1: Do concrete screws need to be pre-drilled?
A: Most self-drilling concrete screws (such as those with carbon steel self-drilling pointed heads) do not require pre-drilling and can be installed directly with an impact drill. However, when encountering high-grade concrete or densely reinforced areas, it is recommended to use a small drill bit to pre-drill guide holes to avoid drill bit deviation or breakage.
Q3: What is the maximum load-bearing capacity of concrete screws?
A: The load-bearing capacity is related to the screw size, embedding depth and substrate strength. For example:
M8×80mm screw: vertical tension can reach 200-300kg (C30 concrete)
M10×100mm screw: shear resistance exceeds 500kg
For specific data, please refer to the product technical manual or third-party test report.
Q5: What special environments are concrete screws suitable for?
A: Targeted solutions:
Saline/coastal areas: 316 stainless steel + passivation treatment
High temperature environment: heat-resistant coating (tolerance below 300℃)
Frequent vibration areas: Use with anti-seismic gaskets or expansion sleeves
are a good fit for them.
Q7: Can concrete screws be used for hollow bricks or aerated blocks?
A: Use with caution!
Hollow bricks: Choose screws with expansion sleeves or full-length threads to ensure anchoring in the solid part
Aerated concrete: Use special aerated block screws (with denser threads) to avoid substrate fragmentation
Q9: How to choose the type of screw head?
A: Match according to tools and scenarios:
Hex Head: Suitable for electric wrenches, high torque scenarios (such as heavy equipment)
Flat Head: Concealed installation (such as decorative surface fixing)
Flange Head: Disperse pressure and prevent loosening (such as steel structure connection)
Q2: How to choose the right screw material?
A: Choose according to the environment:
Wet/outdoor environment: 304/316 stainless steel (salt spray corrosion resistant)
Ordinary indoor scene: galvanized carbon steel (economical and practical)
Chemical corrosion environment: epoxy coated or passivated screws
Q4: What should I do if the screws become loose after installation?
A: Possible reasons and countermeasures:
Insufficient strength of the substrate: Use longer/larger diameter screws, or fill with epoxy glue to enhance the anchoring force
Drilling too deep: Control the drilling depth to be the screw length + 5mm to avoid insufficient expansion
Thread wear: Replace with new screws to avoid repeated use
Q6: How to determine whether the screws are rust-proof?
A: Check the surface treatment process:
Galvanized (Zinc Plated): Basic rust prevention, suitable for dry environments
Hot-Dip Galvanized (Hot-Dip Galvanized): General outdoor use
Stainless Steel (Stainless Steel): Long-term corrosion resistance first choice
Q8: How to avoid screw breakage during installation?
A: Key operating tips:
Control the speed: Set the impact drill to a low speed (recommended 1500-2000 RPM)
Vertical drilling: The tilt angle causes stress concentration
Timely dust cleaning: Blow away dust after drilling to prevent friction overheating
Q10: How to store unused concrete screws?
A: Storage suggestions to extend the life:
Sealed packaging: avoid exposure to humid air
Classified storage: divide by material/specification to prevent mixing
Regular inspection: Screws with damaged galvanized layer need to be treated with rust prevention in time
