GB /T 16674.2 (GB) and ISO 15072 (ISO) are equivalent fastener standards that specify the same or very similar products. Both standards cover 11 fastener types in our database.
GB /T 16674.2 (GB standard) and ISO 15072 (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 16674.2 | ISO 15072 |
|---|---|---|
| Standard Body | GB | ISO |
| Product Types | 11 fastener types | |
| Interchangeable? | Yes — equivalent standard | |
From: Hexagon Flange Bolts with Full Shank - Fine Thread - Product Grade A [Table 6] — applies to both GB /T 16674.2 and ISO 15072
| Size | P | e | r | k_max | k_min | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|---|
| M10 | 1.5 | 28.6 | 17.7 | 34 | 40 | 4.5 | 2.1 | 15.7 | 1.5 | / |
| M12 | 1.5 | 32.8 | 20.5 | 38 | 44 | 4.5 |
Both GB /T 16674.2 and ISO 15072 fasteners are available with various surface treatments. Common options for these standards include:
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
| Hexagon Bolts with Flange with Metric Fine Pitch Thread - Small Series - Type R |
| ✓ |
| Hexagon Flange Bolts - Fine Pitch Thread - Small Series - Type N | ✓ |
| Hexagon Flange Bolts - Fine Pitch Thread - Small Series - Type R | ✓ |
| Hexagon Flange Bolts with Reduced Shank - Fine Thread - Product Grade A [Table 6] | ✓ |
| Hexagon Bolts with Flange, Metric Fine Pitch Thread,Small Series, Product Grade A | ✓ |
| Hexagon Flange Bolts - Fine Pitch Thread - Product Grade A [Attached Figure 2.1] | ✓ |
| 2.4 |
| 17.7 |
| 1.5 |
| 57 |
| M8 | 1 | 20.8 | 12.5 | 26 | 32 | 3 | 1.5 | 11.2 | 1 | / |
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