90.20 Standard under periodical review Jul 15, 2024
ISO
ISO/TC 20/SC 4 Aerospace fastener systems
International Standard
49.030.20 Bolts, screws, studs
Published
ISO 14279 specifies the dimensions of metric internal cruciform drives used in metric screws in the nominal thread diameter range of 1,6 mm to 20 mm.
PUBLISHED
ISO 14279:2002
90.20
Standard under periodical review
Jul 15, 2024