For wire rope, ISO 4032 is the governing document for the dimensions listed below. Mechanical and performance requirements for this part family are set by its own standards, not by the bolt and screw property-class documents.
ISO 4032 — Scope
ISO 4032 specifies the dimensional requirements for wire rope — gb/t 6170 / iso 4032 (series 063). Material, surface condition and any performance rating are set by separate documents specific to this part family — ISO 898-1 and ISO 898-2, which govern bolt and nut property classes, do not apply here.
Tolerance & Product Grades
Tolerances for wire rope — gb/t 6170 / iso 4032 (series 063) are given as limits on the individual dimensions in the table rather than as a fastener product grade. Where a general-tolerance class is cited on the drawing instead, it applies to the dimensions not otherwise toleranced.
Dimensions Specified by ISO 4032
| Nominal diameter (mm) | Construction | Min breaking force (kN) | Mass (kg/100m) | Material | Reference standard |
|---|---|---|---|---|---|
| 4 | 6x7 | 8.95 | 5.85 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 5 | 6x7 | 13.4 | 8.94 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 6 | 6x19 | 17.6 | 13.0 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 8 | 6x19 | 31.3 | 23.0 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 10 | 6x19 | 48.5 | 36.0 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 12 | 6x19 | 69.5 | 52.0 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 16 | 6x37 | 119 | 89.0 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 20 | 6x37 | 185 | 138.0 | Galvanized steel | GB/T 20118 / ISO 2408 |
| 24 | 6x37 | 265 | 196.0 | Galvanized steel | GB/T 20118 / ISO 2408 |
Equivalent Standards
ISO 4032 hex nuts correspond to DIN 934 (style 1).
When to Specify ISO 4032
Choose ISO 4032 for international engineering work and OEM supply where ISO standards are the contractual reference. It is the default modern specification for wire rope — gb/t 6170 / iso 4032 (series 063).

