Concrete Screws

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Concrete Screws
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CLS hex-head concrete screw

Concrete screw with hexagonal head and anti-slip fake washer in zinc-plated steel.

Key features

Zinc-plated steel | Available diameters from 5 mm to 10 mm | Hex head

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CLS-S countersunk concrete screw

Concrete screw with flat countersunk head in zinc-plated steel.

Key features

Zinc-plated steel | Available diameters 5 mm and 6 mm | Flat countersunk head

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CLS-B wide domed-head concrete screw

Concrete screw with wide domed head in zinc-plated steel.

Key features

Zinc-plated steel | Available diameters 5 mm and 6 mm | Wide domed head

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Torx bit (security insert)

Anti-tamper insert for Torx 30 and Torx 40.

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Bossong concrete screws enable fast, strong, and secure fixings directly into the substrate without the need for plugs. Their special thread design ensures excellent grip and uniform load distribution. Available in several types and head shapes, they are ideal for structural applications, plant installations, and carpentry. Easy to install and certified, they offer reliability and durability even in challenging conditions. An innovative solution combining fast installation, mechanical strength, and safety.

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Screws for Steel

Bossong screws for steel ensure fast, secure, and long-lasting fixings on sheet metal and steel profiles. The range includes self-drilling and self-tapping screws in various diameters and lengths, with optional washers and sealing gaskets for perfect tightness. Corrosion-resistant and designed to reduce installation time, they deliver consistent performance even in demanding conditions. Ideal for metal constructions, roofing, and façades, they represent a reliable and versatile solution for professionals and installers.

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Screws for Wood

Bossong wood screws are designed to ensure strong and reliable fixings in carpentry and timber construction. Available with hex, countersunk, or pan heads, and in stainless-steel versions for outdoor environments, they offer high performance and long service life. The range includes self-drilling options and reduced-tip screws for easier driving and improved anchorage. With a wide variety of models and accessories, they provide a versatile solution for structural work, roofing, and professional installations.

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Screws for Sheet-Metal Work

Bossong sheet-metal screws are engineered for secure and durable fixings in roofing and metal cladding applications. Available in stainless steel, copper, and assorted finishes, they ensure perfect aesthetic integration and long-term resilience even in aggressive environments. The range includes double-threaded screws, Torx screws, and self-drilling versions, with optional gaskets and washers for enhanced sealing. Easy to apply and reliable over time, they are the ideal choice for sheet-metal professionals and high-quality installations.

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Screws for Window and Door Frames

Bossong frame screws are specifically designed for fast and secure fixing of doors, windows, and frames. Their thread geometry ensures high mechanical resistance and strong grip even in difficult substrates. Available with countersunk or cylindrical heads, they offer precise installation and perfect alignment of frames. Easy to apply and long-lasting, they provide a reliable solution for installers and professionals, ensuring quality and safety in every mounting operation.

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Screws for Aerated Concrete

Bossong screws for aerated concrete ensure stable and reliable fixings in lightweight materials such as gasbeton blocks and similar substrates. Their deep threading guarantees strong hold and uniform load distribution, preventing substrate breakage. Easy to install without additional plugs, they reduce installation time and provide immediate results. Ideal for light and medium-duty applications, they are available in various sizes to meet different job-site requirements.

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Downpipe Spacers

DP downpipe spacers complete the fastening system for gutter and roof-drain installations. Available in zinc-plated steel, brass, and copper-coated versions, they are designed to ensure aesthetic consistency and high resistance even in harsh environments. The range includes complementary accessories that simplify installation and guarantee optimal fastening performance.

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Rivets

Bossong RIV rivets support sheet-metal work and metal installations by providing fast and secure fixings. Available in stainless steel and various colours—including brown and other finishes—they ensure excellent aesthetic matching and high resistance. Manual and battery-powered riveters complete the range, enabling quick and precise installation.

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Chemical anchors

Bossong offers a complete range of chemical anchors engineered to provide outstanding reliability, fast installation, and compliance with European regulations.
The choice depends on the type of base material, installation conditions, and required load performance.
Chemical anchors are the ideal solution when a secure and long-lasting fastening is needed across different construction materials. They work through a resin that, once injected into the hole with a threaded rod or rebar, hardens and creates a high-strength bond. Versatile and high-performing, chemical anchors are suitable for applications ranging from small craft installations to demanding structural works.

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Threaded rods & anchoring elements

Bossong offers a wide range of rods and accessories designed to suit various construction materials and on-site requirements, always in compliance with current technical standards.
Threaded rods and anchoring elements are essential components in construction fixings. Used together with chemical or mechanical anchors, they ensure strength, safety, and precision.
Whether for structural connections, masonry installations, or light fixings, these elements form the core of the anchoring system, providing the crucial link between the structure and the base material.

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Construction chemicals

Construction chemicals include essential products for fastening, filling, and protection tasks. From pourable epoxy resin for structural consolidation to polyurethane foams for quick sealing, and professional sprays for maintenance and treatment, these materials make site operations faster, more accurate, and more durable.
Bossong provides safe, tested solutions engineered to deliver consistent performance at every stage of the construction process.

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Mechanical anchors

Mechanical anchors are fastening systems that rely on expansion or mechanical tightening to secure an element within the base material. They offer a fast, reliable solution suitable for both light loads and more demanding applications.
Bossong provides a complete assortment of anchors and accessories designed for different materials and installation conditions.

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Lightweight Anchors

Light-loads anchors are designed for quick, secure fixings in low-strength materials or thin supports such as plasterboard, hollow blocks, or insulation panels.
They stand out for ease of installation, versatility, and practicality—making them indispensable for everyday applications.
Bossong offers a selection of high-quality products capable of meeting the needs of construction professionals.

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Fastening with screws

Screw fastening is the most common and immediate fixing solution in construction, thanks to its ease of use and the high level of safety it provides.
Each screw type is engineered to match specific base materials—from wood to concrete, steel, and window or door frames.
Bossong supports industry professionals in their daily work with a wide range of products developed through decades of field experience.

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Direct fastening

Powder-actuated direct fastening makes it possible to drive nails and brackets directly into the base material without pre-drilling, significantly reducing installation time and costs.
This technology is especially valuable on construction sites where speed is essential.
Bossong enables construction professionals to work with speed, precision, and safety thanks to internally developed systems backed by decades of industry experience.

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Hand nailing

Manual nail fastening remains one of the most practical and immediate solutions for light-duty applications or finishing work.
Simple and reliable tools make it ideal for light carpentry and everyday on-site tasks.
Bossong has always offered a wide range of nails and accessories to ensure safe and comfortable work conditions.

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Drilling & cutting

Drilling and cutting are everyday tasks on construction sites.
To ensure precision, speed, and long tool life, Bossong offers a complete range of dedicated equipment—products developed through extensive field experience and continuous dialogue with construction professionals, delivering maximum performance in every condition.

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Testing equipment

Testing equipment is essential for verifying the holding power and strength of installed anchors, ensuring safety and regulatory compliance.
Bossong designs each solution according to strict standards, drawing on decades of field experience and continuous internal research to offer construction professionals the highest performance in every context.

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Structural consolidation

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