Manufacturer’s reference: invn6040 – Pack of 100 pcs. The indicated price is per pack. inv-n. Screw inviolable torx-40 footprint with option of Star inviolable with screw for wood and chipboard Features & # x2022; finished in zinc plated (Code invz) and black (Code invn) & # x2022; Special Head inviolable & # x2022; thread at tip & # x2022; C & # x2022; ISO 10664 No. 40 screws Hexalobular (Torx) & # x2022; Supplied with star torx inviolable 40, for placement in the screws once installed & # x2022; employment: – Attachment of woods where that is required, a installed, the snap can not be disassembled (door fittings, grills, playgrounds, etc) Technical Data Sheet Material Footprint coated tip head installation work