Product description

This sheet metal screw DIN7981CH with black round head and Philips drive is designed for securely fastening sheet metal, injection-molded parts, and plastic panels. Thanks to the self-tapping thread, the screw cuts its own thread into the material, ensuring a reliable and durable connection.

Technical specifications

• Diameter: 3.5 mm
• Length: 25 mm
• Head diameter: 6.9 mm
• Head height: 2.6 mm
• Drive: Philips PH2
• Material: Steel, electrolytically galvanized and black passivated
• Thread type: Sheet metal thread

Applications

These screws are ideal for:

• Fastening metal sheet work
• Mounting plastic panels
• Industrial applications where a strong and reliable connection is required

Advantages

• Self-tapping thread: Cuts its own thread into the material, often eliminating the need for pre-drilling.
• Black finish: Provides an aesthetically pleasing appearance and extra protection against corrosion.
• Philips PH2 drive: Offers a firm grip and prevents damage to the screw head during installation.

Standards

• DIN standard: 7981 CH
• ISO standard: 7049 CH
• NF standard: E25-658
• ASME standard: B18.6.4

Packaging

These screws are supplied in sets of 20 pieces, suitable for both small and larger projects.

Important notes

When electrolytically treating these products, there is a risk of hydrogen embrittlement. Please take this into account for critical applications.