Downpipe Spacers

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.

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.

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.

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.

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.

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.

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.