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Date: Apr 15, 2025
Automotive Fastener Nuts Selection: Comparing GB/T, ISO, ANSI, DIN & Other Standards | High strength fastener
Automotive fastener selection guide-between different standards, alternative availability with GB/T table
| Product Name | GB/T | ISO | ANSI | ASME | AS | BS | DIN | EN | JIS |
| Hexagon Nuts, Style 1 | GB /T 6170 - 2015 | ISO 4032:2012 | ANSI B18.2.2 | ASME B18.2.2 | AS 1112.1 | BS 4190:2014 | DIN 934:1987 | / | JIS B 1181:2014 |
| Alternative Availability With GB/T | Baseline | Equivalent | Reference | Reference | Reference | Reference | Equivalent | / | Equivalent |
| Hexagon Nuts, Style 1 - Fine Pitch Thread | GB /T 6171 - 2016 | ISO 8673:2012 | / | / | AS 1112 | BS EN ISO 8673:2001 | DIN EN ISO 8673:2013 | EN ISO 8673:2012 | JIS B 1181:2014 |
| Alternative Availability With GB/T | Baseline | Equivalent | / | / | Reference | Reference | Equivalent | Equivalent | Equivalent |
| Hexagon Thin Nuts（Chamfered） | GB /T 6172.1 - 2016 | ISO 4035:2012 | / | / | AS 1112.1 | BS EN ISO 4035:2000 | DIN 439-2:1987 | EN ISO 4035:2012 | JIS B 1181:2014 |
| Alternative Availability With GB/T | Baseline | Equivalent | / | / | Reference | Reference | Equivalent | Equivalent | Equivalent |
| Prevailing Torque Type Hexagon Thin Nuts（With Non-Metalic Insert） | GB /T 6172.2 - 2016 | ISO 10511:2012 | / | / | AS 1112.1 | BS EN ISO 10511:2000 | DIN 985:1987 | EN ISO 10511:2012 | JIS B 1199-1:2001 (ISO 10511) |
| Alternative Availability With GB/T | Baseline | Equivalent | / | / | Reference | Reference | Equivalent | Equivalent | Equivalent |
| Hexagon Thin Nuts - Fine Pitch Thread | GB /T 6173 - 2015 | ISO 8675:2023 | / | / | AS 1112.1 | BS EN ISO 8675:2000 | DIN EN ISO 8675:2013 | EN ISO 8675:2012 | JIS B 1181:2014 |
| Alternative Availability With GB/T | Baseline | Equivalent | / | / | Reference | Reference | Equivalent | Equivalent | Equivalent |
| Hexagon Nuts,Style 2 | GB /T 6175 - 2016 | ISO 4033:2012 | / | / | AS 1112 | BS EN ISO 4033:2000 | DIN 934:1987 | EN ISO 4033:2012 | JIS B 1181-2014 (Style 2) |
| Alternative Availability With GB/T | Baseline | Equivalent | / | / | Reference | Reference | Reference | Equivalent | Equivalent |
| Hexagon Nuts,Style 2-Fine Pitch Thread | GB /T 6176 - 2016 | ISO 8674:2023 | / | / | AS 1112.1 | BS EN 28674:1992 | DIN EN ISO 8674:2013 | EN ISO 8674:2023 | JIS B 1181-2014 |
| Alternative Availability With GB/T | Baseline | Equivalent | / | / | Reference | Reference | Equivalent | Equivalent | Equivalent |
| Hexagon Nuts with Flange, Style 2 - Fine Pitch Thread | GB /T 6177.2 - 2016 | ISO 10663:2012 | / | / | / | BS EN ISO 10663:2012 | / | EN ISO 10663:2012 | / |
| Alternative Availability With GB/T | Baseline | Equivalent | / | / | / | Reference | / | Equivalent | / |
| Prevailing Torque Type All-Metal Hexagon Nuts with Flange, Style 2 | GB /T 6187.1 - 2016 | ISO 7044:2012 | / | ASME B18.16.3M | / | / | DIN 6927:1983 | EN ISO 7044:2012 | JIS B 1199-4:2001 |
| Alternative Availability With GB/T | Baseline | Equivalent | / | Reference | / | / | Reference | Equivalent | Reference |
| Hexagon Thin Slotted Nuts - Product Grade A and B | GB 6181 - 1986 | / | / | / | / | BS 1768:1963 | DIN 979:2013 | / | / |
| Alternative Availability With GB/T | Baseline | / | / | / | / | Reference | Equivalent | / | / |
GB/T Standards Global Replacement Feasibility Reference Table
| GB/T Standard | Primary Equivalent Standards (Direct Replacement) | Reference Standards (Requires Verification) | Application Scenarios | ||
| GB/T 6170-2015 | ISO 4032:2012 | ANSI B18.2.2, ASME B18.2.2, AS 1112.1, BS 4190:2014 | General machinery, automotive assembly | ||
| GB/T 6171-2016 | ISO 8673:2012 | AS 1112, BS EN ISO 8673:2001 | Precision connections for fine-pitch systems | ||
| GB/T 6172.1-2016 | ISO 4035:2012 | AS 1112.1, BS EN ISO 4035:2000 | Thin chamfered nuts in light-duty assemblies | ||
| GB/T 6172.2-2016 | ISO 10511:2012 | AS 1112.1, BS EN ISO 10511:2000 | Non-metallic lock nuts for vibration resistance | ||
| GB/T 6173-2015 | ISO 8675:2023 | AS 1112.1, BS EN ISO 8675:2000 | Fine-pitch thin nuts in precision engineering | ||
| GB/T 6175-2016 | ISO 4033:2012 | AS 1112, BS EN ISO 4033:2000 | High-strength structural connections (Grade B) | ||
| GB/T 6176-2016 | ISO 8674:2023 | AS 1112.1, BS EN 28674:1992 | Fine-pitch flange nuts for automotive chassis | ||
| GB/T 6177.2-2016 | ISO 10663:2012 | BS EN ISO 10663:2012 | Flange nuts for heavy-duty machinery | ||
| GB/T 6187.1-2016 | ISO 7044:2012 | ASME B18.16.3M, DIN 6927:1983 | All-metal lock nuts for industrial equipment | ||
| GB/T 6181-1986 | / | BS 1768:1963, DIN 979:2013 | Slotted thin nuts for low-torque applications | ||
| GB/T 10-2013 | DIN 608:2010 | ASME B18.5 (T8/T9), BS 4933:1973 | Countersunk bolts for agricultural machinery | ||
| GB/T 12-2013 | ISO 15072:1999, DIN 603:1987 | ANSI B18.5 (T2), AS/NZS 1390:1997, BS 325:1947 | Flange bolts for railway vehicles | ||
| GB/T 14-2013 | ISO 8677:1989, DIN 603:2017, JIS B 1171:2005 | ASME B18.5.2.3M | Mushroom head bolts for commercial vehicles | ||
| GB/T 27-2013 | EN 14399-8:2007 | / | High-strength preloaded bolts for steel structures | ||
| GB/T 31.1-1988 | / | BS 1768:1963 | Split-pin bolts for marine equipment | ||
| GB 32.1-1988 | EN 2887:1995, GOST 7798-1970 | / | Wire-hole bolts for Eastern European markets | ||
| GB/T 794-1993 | DIN 603:2017, JIS B 1171:2005 | AS/NZS 1390 | Strengthened bolts for mining machinery | ||
| GB/T 801-1998 | ISO 8678:1988, EN ISO 8678:1990 | / | Small-head bolts for compact engineering designs | ||
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