Secure fastening with one-way screws

The stainless steel A2 one-way screw DIN 7981 4.2x19 mm is designed for applications where disassembly is undesirable. Thanks to its unique one-way drive, the screw can be easily screwed in, but cannot be unscrewed without special tools. This makes it ideal for situations where security and vandal resistance are crucial.

High-quality materials and corrosion resistance

Made from stainless steel (A2 quality), this screw offers excellent resistance to corrosion. This makes it suitable for both indoor and outdoor applications, even in damp or aggressive environments. The durability of the material guarantees a long lifespan and reliable performance.

Technical specifications

• Diameter : 4.2 mm
• Length : 19 mm
• Head shape : Pan head
• Drive : One-way slot
• Material : Stainless steel A2
• Standard : DIN 7981

Application areas

These one-way screws are widely used in situations where security and permanent fastening are required. Some examples include:

• Fastening license plates on cars
• Mounting security cameras and systems
• Installing public facilities such as traffic signs and street furniture

Advantages of one-way screws

• Vandal resistant : Difficult to remove without special tools, preventing unauthorized disassembly.
• Easy installation : Can be screwed in with standard tools, but requires special tools for removal.
• Aesthetic : The pan head ensures a neat finish without protruding parts.

Installation tips

When using one-way screws, it is important to ensure correct installation:

• Use a suitable screwdriver or bit to avoid damaging the drive.
• Make sure the material you are screwing into is suitable for self-tapping screws.
• Tighten the screw firmly, but avoid excessive force to prevent damage.

With the stainless steel A2 one-way screw DIN 7981 4.2x19 mm, you choose a reliable and secure fastening solution that withstands both the elements and unwanted disassembly.