Tapping screws 4.2x13

Self-Drilling Screws for Metal Fastening – 4.2 x 13 mm (1000 pcs)

High-efficiency, quick-install self-drilling screws designed specifically for fastening L, Z, and T-type brackets to metal sheets. Commonly used in ventilation systems for connecting round ducts to round fittings, providing a stable and secure connection without the need for pre-drilling.

Applications:

• Fastening ventilation brackets (L, Z, T types) to metal surfaces
• Connecting round ventilation ducts with fittings
• Suitable for sheet metal constructions requiring fast and precise installation

Material and Coating:

• Made from durable metal with zinc coating
• Offers corrosion resistance and long service life
• Recommended for indoor use in ventilation systems

Technical Information:
Size: 4.2 x 13 mm
Self-drilling point eliminates the need for pilot holes
Head type: Phillips cross head, compatible with manual and power tools
Pack quantity: 1000 pieces
Price is per pack

Advantages:

• Fast installation without pre-drilling
• Saves time and ensures efficiency
• Accurate and reliable fastening
• Proven choice for HVAC system assembly