NA 121
DIN Standards Committee Tools and Clamping Devices
DIN ISO 691 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 4759-1 | 2000-11 | Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts - Product grades A, B and C More |
| DIN EN ISO 4759-1 | 2001-04 | Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts; Product grades A, B and C (ISO 4759-1:2000); German version EN ISO 4759-1:2000 More |
| DIN ISO 272 | 1979-10 | Fasteners; Width across Flats for Hexagon Products More |
| ISO 272 | 1982-01 | Fasteners; Hexagon products; Widths across flats More |
