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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 ISO 14585-C M4,2x60 zinc TX20
Base material | Metal |
Turnkey size, mm | 20 |
Coating | Zinc |
Standard | ISO 14585 |
Analog | DIN 7981.. |
Diameter, mm | 4.2 |
Length, mm | 60 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Star-shaped.. |
Thread type | Metric |
Self-tapping screw ISO 14585-C M4,2x50 zinc TX20
Base material | Metal |
Turnkey size, mm | 20 |
Coating | Zinc |
Standard | ISO 14585 |
Analog | DIN 7981.. |
Diameter, mm | 4.2 |
Length, mm | 50 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Star-shaped.. |
Thread type | Metric |
Self-tapping screw ISO 14585-C M4,2x45 zinc TX20
Base material | Metal |
Turnkey size, mm | 20 |
Coating | Zinc |
Standard | ISO 14585 |
Analog | DIN 7981.. |
Diameter, mm | 4.2 |
Length, mm | 45 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Star-shaped.. |
Thread type | Metric |
Self-tapping screw DIN 7981-C M4,2x60 zinc TX20
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 20 |
Coating | Zinc |
Standard | DIN 7981 |
Analog | ГОСТ 10621-80, ГОС.. |
Diameter, mm | 4.2 |
Length, mm | 60 |
Head | Semicircular |
Material | Stal |
Popular name | Universal self-tapping.. |
Type of carving | Full |
Slot | Star-shaped.. |
Thread type | Metric |
Self-tapping screw DIN 7981-C M4,2x50 zinc TX20
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 20 |
Coating | Zinc |
Standard | DIN 7981 |
Analog | ГОСТ 10621-80, ГОС.. |
Diameter, mm | 4.2 |
Length, mm | 50 |
Head | Semicircular |
Material | Stal |
Popular name | Universal self-tapping.. |
Type of carving | Full |
Slot | Star-shaped.. |
Thread type | Metric |
Self-tapping screw DIN 7981-C M4,2x45 zinc TX20
Field of application | Construction |
Base material | Metal |
Turnkey size, mm | 20 |
Coating | Zinc |
Standard | DIN 7981 |
Analog | ГОСТ 10621-80, ГОС.. |
Diameter, mm | 4.2 |
Length, mm | 45 |
Head | Semicircular |
Material | Stal |
Popular name | Universal self-tapping.. |
Type of carving | Full |
Slot | Star-shaped.. |
Thread type | Metric |
Self-tapping screw DIN 968-C d4,2x51 zinc PH
Field of application | Facade works, Roofing.. |
Base material | Metal, Wood |
Coating | Zinc, RAL |
Standard | DIN 968 |
Analog | 80L20 |
Diameter, mm | 4.2 |
Length, mm | 51 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform(PH) |
Thread type | Metric |
Packaging, pcs. | 500 |
Self-tapping screw DIN 968-C d4,2x41 zinc PH
Field of application | Facade works, Roofing.. |
Base material | Metal, Wood |
Coating | Zinc, RAL |
Standard | DIN 968 |
Analog | 80L20 |
Diameter, mm | 4.2 |
Length, mm | 41 |
Head | Semicircular |
Material | Stal |
Type of carving | Full |
Slot | Cruciform(PH) |
Thread type | Metric |
Packaging, pcs. | 500 |
Self-tapping screw WPC 4,2х55 zinc Wkret-Met
Base material | Metal |
Coating | Zinc |
Diameter, mm | 4.2 |
Brand | Wkret-Met |
Length, mm | 55 |
Head | Semicircular |
Material | Stal |
Slot | Cruciform(PH) |
Self-tapping screw WPC 4,2х45 zinc Wkret-Met
Base material | Metal |
Coating | Zinc |
Diameter, mm | 4.2 |
Brand | Wkret-Met |
Length, mm | 45 |
Head | Semicircular |
Material | Stal |
Slot | Cruciform(PH) |