This International Standard specifies the characteristics of hexalobular socket head countersunk screws with high head (full load capacity) in product class A with threads from M3 to M10 inclusive and strength classes 4.8, 8.8 and 10.9. NOTE 1 Compared to ordinary ISO countersunk heads, the head has been slightly increased to obtain screws with full load capacity in accordance with the mechanical properties specified in ISO 898-1. This International Standard also specifies gauges for checking head geometry. NOTE 2 Due to the larger head height, these screws are not fully interchangeable with other ISO metric countersunk screws. The parts to be connected also require a slightly deeper countersink than specified in ISO 15065. If, in special cases, specifications other than those listed in this International Standard are required, these can be selected from existing International Standards such as ISO 261, ISO 888, ISO 898-1, ISO 965-2 and ISO 4759-1
EN ISO 14582:2013 Referenced Document
ISO 10664:2005 Hexalobular internal driving feature for bolts and screws
ISO 10683:2000 Fasteners - Non-electrolytically applied zinc flake coatings
ISO 4759-1:2000 Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts - Product grades A, B and C
ISO 6157-1:1988 Fasteners surface discontinuities; part 1: bolts, screws and studs for general requirements
ISO 898-1:2013 Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread
ISO 8992:2005 Fasteners - General requirements for bolts, screws, studs and nuts
ISO 965-2:1998 ISO general purpose metric screw threads - Tolerances - Part 2: Limits of sizes for general purpose external and internal screw threads - Medium quality
EN ISO 14582:2013 history
2013EN ISO 14582:2013 Fasteners - Hexalobular socket countersunk head screws, high head