Screws for Different Materials: Wood, Metal, Concr. Guide complet de Screws for Different Materials: Wood, Metal, Concr - spécifications, applications et sélection de fournisseurs pour export B2B vers les marchés africains.
Matching Screw to Material
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Wood Screws
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Machine Screws and Self-Tapping Screws
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Concrete and Masonry Anchors
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Fasteners for Plastic
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Frequently Asked Questions
See frequently asked questions below.
What's the difference between wood screws and drywall screws?
Drywall screws have fine threads for holding drywall to steel or wood studs. They are brittle and can snap under stress. Wood screws have coarse threads for wood-to-wood connections and are more ductile.
Can I use wood screws in metal?
No - wood screws are not designed for metal. Use machine screws or self-tapping screws for metal connections.
What size pilot hole for wood screws?
Match the hole to the screw's core diameter (before threads). For hard woods, use a slightly smaller hole. For soft woods, the full core diameter is fine.
How do I anchor into brick instead of concrete?
Use sleeve anchors or brick anchors specifically rated for masonry. Standard concrete anchors may not hold in brick. Check that your anchor is approved for the specific brick type.
What's the best screw for outdoor decking in Africa?
Stainless steel (A4/316) deck screws or hot-dip galvanized screws. Coarse thread for hardwoods. Spacing should account for wood movement with humidity changes.