Timber Screw 3.5 x 20MM Countersunk Black - Pinnacle Hardware

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.

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Wood Screws Pan Head Multi Purpose PZ2 BZP Yellow/Gold 3.5 x 20mm

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Stainless Steel Self Tapping Screws, Screw

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Bunnings Magazine January 2023 by Bunnings - Issuu

TIMBER SCREW 3.5 X 20MM COUNTERSUNK - 300 PACK - Pinnacle Hardware