GB /T 902.2(PD) (GB) and ISO 13918(PD) (ISO) are equivalent fastener standards that specify the same or very similar products. Both standards cover 4 fastener types in our database.
GB /T 902.2(PD) (GB standard) and ISO 13918(PD) (ISO standard) are equivalent standards that define the same fastener geometry and mechanical requirements. Minor differences may exist in tolerances, marking requirements, or referenced test methods, but the products are interchangeable in most applications. Always verify specific project requirements with your engineer.
| Property | GB /T 902.2(PD) | ISO 13918(PD) |
|---|---|---|
| Standard Body | GB | ISO |
| Product Types | 4 fastener types | |
| Interchangeable? | Yes — equivalent standard | |
From: Threaded Studs(PD) — applies to both GB /T 902.2(PD) and ISO 13918(PD)
| Size | P | s_max | s_min | k_nominal |
|---|---|---|---|---|
| M10 | 2.5 | 18.38 | 24.5 | 7 |
| M12 | 3 | 22.05 | 30 | 10 |
| M6 | 1.25 | 7.19 | 10 | 3.5 |
| M8 | 1.75 | 10.86 | 15.5 | 4.5 |
Both GB /T 902.2(PD) and ISO 13918(PD) fasteners are available with various surface treatments. Common options for these standards include:
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