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Timco Self Tapping Screws 4.2x45mm, PZ Countersunk, Zinc, Box of 200
Timco Self Tapping Screws 4.2x45mm offer precise metal fastening with a countersunk PZ head for a flush finish. The zinc-plated, Cr3 coating ensures clean, neat results in dry, low-humidity environments. Fully threaded with a 60° profile, these carbon steel screws require a pre-drilled hole and fit steel or thin metal sheets. Ideal for professional metalwork and electrical fit-outs.
Product Information
Original price: £6.5
15% off - Save £0.98
Product Features
Applications & Uses
Metal Stitching
Ideal for joining sheet metal sections in electrical enclosures, trunking systems, or light industrial metalwork where precise, flush fixing is necessary.
Electrical Fit-Outs
Used by electricians to securely fasten cable trays, steel conduit clips, or metal pattress boxes during commercial or industrial installations.
Frequently Asked Questions
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What substrates are Timco 4.2x45mm self tapping screws suitable for?
These screws are designed for use with steel and thin sheet metal, offering reliable threading where a pre-drilled hole has been made. Not suitable for use in timber or masonry.
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What type of screwdriver bit should be used?
A PZ2 Pozi drive bit is required to properly fit the screw head recess, ensuring secure installation and reducing cam-out during fastening.
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Are these screws fully threaded?
Yes, Timco 4.2x45mm self tapping screws feature a fully threaded shank, ideal for consistent grip and strong holding power throughout their entire length.
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What corrosion environments are these screws rated for?
These zinc-plated Cr3 screws have a corrosion rating suitable for clean, dry, and low humidity environments. They are not recommended for exterior or wet applications.
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Do these screws comply with any industry standards?
Yes, these self tapping screws are manufactured to British Standard BS 4174:1972, ensuring consistent thread profile and manufacturing quality.