Fastening with screws

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Fastening with screws

Types

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

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

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

Torx bit (security insert)

Anti-tamper insert for Torx 30 and Torx 40.

SER-S window/door frame fixing screw, countersunk head

Steel flat countersunk head screw for fixing frames on concrete.

Key features

Zinc-plated steel | For window and frame fixing | Flat countersunk head

SER-C window/door frame fixing screw, cylindrical head

Steel cylindrical head screw for fixing frames on concrete.

Key features

Zinc-plated steel | For window and frame fixing | Cylindrical head

GAS-VS aerated concrete screw, countersunk head

Zinc-plated steel flat countersunk head screw for cellular concrete.

Key features

Zinc-plated steel | Diameter 8 mm | Flat countersunk head

GAS-VB aerated concrete screw, domed head

Zinc-plated steel domed head screw for cellular concrete.

Key features

Zinc-plated steel | Diameter 8 mm | Domed head

DF threaded through spacer for downpipes

Spacer for rainwater pipe collars in zinc-plated steel with through thread.

DPF galvanized steel downpipe spacer

Spacer for rainwater pipe collars in galvanized steel with through thread.

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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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