SELF-DRILLING SCREW FOR METAL SHEETS 5,5X55 MM WITH WASHER T14 ZINC PLATED [BOX OF 100]

Description

The special drill bit shape designed to provide quick and trouble-free installation in metal constructions made from cold formed sections

Coloured polyester protective coating with a thickness of 45-50 um (RAL, NCS, RR), provides additional protection against corrosion. Various colours available to suit all metal sheet variants. UV stabilizers ensure colour quality over a long period of use.
Hardened surface of the thread (flexible core). Corrosion resistant zinc coating of thickness not less than 12 um. The shape of the thread and its height is closely related to the intended use of self drilling fixing into steel construction.
Self vulcanizing EPDM washer. Temperature and UV resistant. The special shape of the washer ensures proper seating of the sealing material on the outer cladding material fixture which guarantees a proper seal.
The drill bit is designed to provide quick and trouble-free installation in the steel. Sharp point of the drill prevents movement of the surface of the fixture.

Screw must be installed at 90 degrees to substrate.
Magnetic driver must be used.
Lowest torque setting on impact screwdriver to start.
Reduce speed when the washer starts to deform.
Use a cordless Impact screwdriver. Note: Never use a power drill.
For installation please use screwdriver of load capacity 1600 - 2000 rpm with regulated trogue.

Specifications

Applications	For fixing: Supporting and cladding metal sheet to steel structures on facades or flat roof construction
Base Materials	Structural Steel Metal Sheet & Profiles

Attachments

2066.KOELNER.EN.OC SELF-DRILLING SCREW.pdf

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