90.93 Standard confirmed Jun 21, 2023
ISO
ISO/TC 2/SC 7 Reference standards
International Standard
21.060.01 Fasteners in general
Published
Specifies and describes a system for use in product standards; gives examples for hexagon head bolts, screws, and nuts, tapping screws, parallel pins, and washers.
PUBLISHED
ISO 8991:1986
90.93
Standard confirmed
Jun 21, 2023