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TIMCO Self-Tapping Screws 4.2x38mm PZ Countersunk Zinc | 200pc Box
TIMCO Self-tapping screws 4.2x38mm in a 200-piece box offer precise metal stitching or attachment with a PZ countersunk head for a clean, discreet finish. Trivalent Chromium zinc plating ensures robust corrosion resistance. Produced from carbon steel, each screw features a 60° self-tapping thread for easy insertion. Designed for use in pre-drilled, pre-countersunk holes for fitting to steel or thin metal substrates. Ideal for professionals needing strong, reliable fasteners in dry, low-humidity,
Product Information
Original price: £6.3
15% off - Save £0.94
Product Features
Applications & Uses
Stitching Sheet Metal
Ideal for assembling or joining sections of thin steel or sheet metal in HVAC, ductwork, and electrical panels where precise, flush fixtures are needed.
Metal Framing
Used in partitioning and lightweight steel frame installations to securely attach steel sections in dry internal environments.
Frequently Asked Questions
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Are these self-tapping screws suitable for stainless steel?
TIMCO self-tapping screws 4.2x38mm are designed for use in steel and thin sheet metal, but are not rated for use with stainless steel. A pre-drilled hole is required.
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Is a pilot hole necessary for installation?
Yes, these screws must be used in a pre-drilled hole, especially when attaching to metal, to ensure secure installation and prevent thread damage.
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What screwdriver bit fits these screws?
The screws use a PZ2 (Pozi No.2) driver bit, allowing for efficient drive and reduced cam-out during installation.
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What environments are suitable for these screws?
Rated for clean, dry, and low humidity environments due to their corrosion resistance level of 1. Not recommended for external or wet environments.
