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The semicircular head bolt is a fastening consisting of a metal stud with a full metric thread, a semicircular head and a spare press washer.
Scope of use it is used for connection, fastening of various elements to sheet metals, materials from a tree or gypsum cardboard and prevents self-unscrewing.
Material steel.
Coating Zinc (Plated) protects against corrosion if you plan to use fasteners in aggressive conditions
Self-tapping screw DIN 7981-F M4,8x9,5 zinc PZ2
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 2 |
Coating | Zinc |
Standard | DIN 7981 |
Diameter, mm | 4.8 |
Length, mm | 9.5 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform (PZ) |
Thread type | Metric |
Self-tapping screw DIN 7981-F M4,8x8 zinc PZ2
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 2 |
Coating | Zinc |
Standard | DIN 7981 |
Diameter, mm | 4.8 |
Length, mm | 8 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform (PZ) |
Thread type | Metric |
Self-tapping screw DIN 7981-F M4,8x6,5 zinc PZ2
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 2 |
Coating | Zinc |
Standard | DIN 7981 |
Diameter, mm | 4.8 |
Length, mm | 6.5 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform (PZ) |
Thread type | Metric |
Self-tapping screw DIN 7981-F M4,8x22 zinc PZ2
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 2 |
Coating | Zinc |
Standard | DIN 7981 |
Diameter, mm | 4.8 |
Length, mm | 22 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform (PZ) |
Thread type | Metric |
Self-tapping screw DIN 7981-F M4,8x19 zinc PZ2
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 2 |
Coating | Zinc |
Standard | DIN 7981 |
Diameter, mm | 4.8 |
Length, mm | 19 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform (PZ) |
Thread type | Metric |
Self-tapping screw DIN 7981-F M4,8x16 zinc PZ2
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 2 |
Coating | Zinc |
Standard | DIN 7981 |
Diameter, mm | 4.8 |
Length, mm | 16 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform (PZ) |
Thread type | Metric |
Self-tapping screw DIN 7981-F M4,8x13 zinc PZ2
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 2 |
Coating | Zinc |
Standard | DIN 7981 |
Diameter, mm | 4.8 |
Length, mm | 13 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform (PZ) |
Thread type | Metric |
Self-tapping screw DIN 968-C d4,8x13 zinc PH
Field of application | Facade works, Roofing.. |
Base material | Metal, Wood |
Coating | Zinc, RAL |
Standard | DIN 968 |
Analog | 80L20 |
Diameter, mm | 4.8 |
Length, mm | 13 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform(PH) |
Thread type | Metric |