Product
Stainless steel A2 countersunk head sheet metal screws DIN 7982C Ø4.2x25mm are designed for creating flush, secure joints in thin gauge sheet metal, resinous plywood, and composite materials. Supplied in a box of 200 pieces, ideal for both professional and industrial applications.
Specifications
- Made from corrosion-resistant A2 stainless steel for durability in challenging environments
- Meets DIN 7982C standards, featuring a flat, countersunk Phillips head for flush installation
- Fully threaded with coarse thread and gimlet (Form C) point, suitable for pre-drilled, untapped holes
- 4.2 mm diameter and 25 mm length; compatible with standard pilot hole sizes for the material thickness
- Designed for efficient, permanent fastening in a variety of materials including sheet metal and composites
Usage
Insert the screw into a pre-drilled pilot hole in the target material. Use a Phillips screwdriver or bit matching the head’s cross recess to drive the screw until the head sits flush with the surface. Suitable for professional assembly, fabrication, repair, and construction tasks requiring reliable and discrete fastening.
FAQ
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What materials are these screws suitable for?
- They are ideal for thin sheet metal, resinous plywood, and certain composite materials.
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Do I need to pre-drill holes before insertion?
- Yes, pre-drilling an appropriately sized pilot hole is recommended for optimal thread engagement and to prevent material damage.
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Can these screws be used outdoors?
- Yes, the A2 stainless steel composition offers resistance to rust and corrosion, making them suitable for outdoor and humid environments.
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What type of screwdriver is compatible?
- Use a standard Phillips screwdriver or compatible bit that matches the cross recess in the head.
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Are these screws reusable?
- While technically possible, self-tapping screws are primarily designed for permanent installations; reuse may reduce holding strength.
mvm-dt-2025-07-07
