SWG chipboard screw 4 x 45 mm VZ TX20 500 pieces chipboard screw 4 x 45 mm VZ TX20 500 pieces from SWG, with the SWG item number: 1760244515 and EAN: 4009146348553. Description: Chipboard screws are the universal solution for the screw connection of Wood and chipboard materials, MDF as well as for use in conjunction with dowels. Also suitable for outdoor use. Thread diameter: 4 mm, length: 45 mm, material: steel, surface: galvanised, head shape: countersunk head, drive: internal serration, drive size: 20, thread type: partial thread, head height: 2.5 mm, head diameter: 8 mm