These Pinnacle Hardware wood screws are used specifically for fastening into timbers. They have a relatively wider thread pitch than a metal screw to prevent the wood between the threads being torn away over a period of time.
Screws, Chipboard, Metal, Wood, Roofing & More
Bunnings Pinnacle 3.5x16mm Black CSK Timber Screws - PriceGrabber
Wood Screws > Steel Zinc Woodscrew > Countersunk (Silver
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Pinnacle Hardware 3.5 x 16mm Black Countersunk Timber Screw - 45
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Faithfull Zinc Plated Hasp & Staple 115mm - HSS Hire