Professional wood screws for commercial or occasional use Countersunk wood screws 4mm x 20mm wood / chipboard screws Double countersunk reduces the likelihood of head shear and assists completion of countersinking This listing is for a pack of 18 wood screws Pozi single thread countersunk wood screws Manufactured from steel for maximum strength and durability Brass plated steel for rust and corrosion resistance PZ2 (Pozi head) Deep threaded wood screws SPECIFICATIONS • Countersunk Wood Screws • Manufactured from steel • Brass plated • Total length – 20mm • Thread width – 4mm • Head size PZ2 • Pack size – 18pc