Description
The Self Tapping Screw 4.2x38mm is a high-quality metal fastener designed to deliver superior holding power and long-term reliability. Manufactured from hardened steel and finished with a zinc coating, this screw resists rust and wear, making it ideal for both indoor and outdoor use.
With its sharp, self-tapping point, this screw can cut its own threads as it is driven into materials — eliminating the need for pre-drilling. This saves time and reduces labor costs, especially in construction, carpentry, roofing, and general repair projects.
Whether you are a professional installer or a DIY enthusiast, the 4.2x38mm screw offers unbeatable strength and consistent performance, ensuring your assemblies stay secure and neat.
Applications
• Metalwork: Fasten sheet metal, ducts, and light-gauge steel structures.
• Woodworking: Ideal for joining wood boards and panels securely.
• Plastic Installations: Works well for PVC, polycarbonate, and other plastics.
• Electrical & Plumbing Fittings: Mount brackets, conduits, and fixtures efficiently.
• General Construction: Reliable for wall framing, roofing, and furniture assembly.
Key Benefits
• Strong Grip: Hardened steel design ensures a solid, long-lasting hold.
• Corrosion Resistance: Zinc coating prevents rust in humid or outdoor environments.
• Time-Saving: No need for pre-drilling — screw taps directly into the material.
• Multi-Material Use: Compatible with metal, wood, and plastic.
• Precision Threading: Ensures smooth penetration and reduces cracking or splitting.
Technical Specifications
| Feature | Specification |
|---|---|
| Product Name | Self Tapping Screw 4.2x38mm |
| Material | Hardened Steel |
| Finish | Zinc-Plated |
| Size | 4.2x38mm |
| Head Type | Phillips Flat Head |
| Tip Type | Self-Drilling |
| Application | Metal, Wood, Plastic |
| Packaging | 100 Pieces per Pack |
| Brand | Ngong Hills Merchants |
Installation Tips
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Align materials to be joined.
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Position the screw at the fastening point.
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Use a compatible screwdriver or drill for installation.
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Apply steady pressure — the self-tapping tip will cut threads as it drives in.
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Stop once the screw head sits flush with the surface.
Maintenance
• Store in a dry, cool environment to prevent corrosion.
• Avoid mixing with non-coated screws.
• Use the correct screwdriver bit for precision.
• Clean and inspect surfaces before fastening.
Related Products
Call Us: +254 (0)715 974 811
Email: ngonghillsmerchants [at] gmail.com
Delivery: Same-day delivery available in Nairobi and Thika, and next-day shipping to Mombasa, Nakuru, Eldoret, Kisii, Nyeri, Machakos, Kericho, and all major towns in Kenya.
