Standards cross-reference
Comprehensive Comparison Table for DIN, ISO, GB, and ANSI/ASME Fastener Equivalents
Comprehensive Comparison Table for DIN, ISO, GB, and ANSI/ASME Fastener Equivalents
| Name | DIN | ISO | GB | ANSI/ASME | UNI | JIS | DIN EN ISO | |
|---|---|---|---|---|---|---|---|---|
| Hexagon Head Bolts (Full) | DIN 933 | ISO 4017 | GB 5783 | ANSI/ASME B18.2.3.1M | UNI 5739 | JIS B1180 | DIN EN ISO 4017 | More |
| Hexagon Head Bolts (Half) | DIN 931 | ISO 4014 | GB 5782 | ANSI/ASME B18.2.3.1M | UNI 5737 | JIS B1180 | DIN EN ISO 4014 | More |
| Hex Socket Cap Screws | DIN 912 | ISO 4762 | GB 70 | ANSI/ASME B18.3.1M | UNI 5931 | JIS B1176 | DIN EN ISO 4762 | More |
| U-Bolts / Pipe Clamps | DIN 3570 | — | GB/T 15389 | ASME B18.31.5 | — | — | — | More |
| Studs (Metal end ≈ 2.5d) | DIN 940 | — | GB 900 | — | UNI 5917 | — | — | More |
| Hexagon Nuts (Style 1) | DIN 934 | ISO 4032 | GB 6170 | ANSI/ASME B18.2.2 | UNI 5587 | JIS B1181 | DIN EN ISO 4032 | More |
| Studs (Metal end ≈ 1.25d) | DIN 939 | — | GB 898 | — | UNI 5911 | — | — | More |
| Cross Sunk Head Screws | DIN 965 | ISO 7046 | GB 819.1 | ANSI/ASME B18.6.7M | UNI 7688 | JIS B1111 | DIN EN ISO 7046 | More |
| Pan Head Tapping Screws | DIN 7981 | ISO 7049 | GB 845 | ANSI/ASME B18.6.3 | UNI 6954 | JIS B1115 | DIN EN ISO 7049 | More |
| Plow Bolts / Carriage | DIN 603 | ISO 8677 | GB 12 | ANSI/ASME B18.5 | UNI 5731 | JIS B1171 | DIN EN ISO 8677 | More |
| Studs (Metal end ≈ 1d) | DIN 938 | — | GB 897 | — | UNI 5909 | — | — | More |
| Sunk Head Tapping Screws | DIN 7982 | ISO 7050 | GB 846 | ANSI/ASME B18.6.3 | UNI 6955 | JIS B1115 | DIN EN ISO 7050 | More |
| Hex Socket Sunk Screws | DIN 7991 | ISO 10642 | GB 70.3 | ANSI/ASME B18.3.4M | UNI 5933 | JIS B1194 | DIN EN ISO 10642 | More |
| Self-drilling Screws | DIN 7504 | ISO 15480 | GB 15856 | — | — | JIS B1124 | DIN EN ISO 15480 | More |
| Continuous Thread Studs | DIN 976-1 | — | GB 15371 | ANSI/ASME B18.31.2 | — | — | — | More |
| Nylon Insert Lock Nuts | DIN 985 | ISO 7040 | GB 889.1 | ANSI/ASME B18.16.6M | UNI 7473 | JIS B1181 | DIN EN ISO 7040 | More |
| Cross Pan Head Screws | DIN 7985 | ISO 7045 | GB 818 | ANSI/ASME B18.6.7M | UNI 7687 | JIS B1111 | DIN EN ISO 7045 | More |
| Threaded Rods | DIN 975 | — | GB 15371 | ANSI/ASME B18.31.3 | — | — | — | — |
| Hexagon Flange Nuts | DIN 6923 | ISO 4161 | GB 6177 | ANSI/ASME B18.2.2 | UNI 7473 | JIS B1181 | DIN EN ISO 4161 | More |
| Plain Washers - Grade A | DIN 125A | ISO 7089 | GB 97.1 | ANSI/ASME B18.22.1 | UNI 6592 | JIS B1256 | DIN EN ISO 7089 | More |
| Spring Lock Washers-A | DIN 127A | — | GB 93 | ANSI/ASME B18.21.1 | UNI 1751 | JIS B1251 | — | More |
| Spring Lock Washers-B | DIN 127B | — | GB 93 | ANSI/ASME B18.21.1 | UNI 1751 | JIS B1251 | — | More |
| Hexagon Thin Nuts | DIN 439 | ISO 4035 | GB 6172 | ANSI/ASME B18.2.2 | UNI 5589 | JIS B1181 | DIN EN ISO 4035 | — |
| Large Plain Washers | DIN 9021 | ISO 7093 | GB 96 | ANSI/ASME B18.22.1 | UNI 6593 | JIS B1256 | DIN EN ISO 7093 | More |
| Blind Rivets (Open) | DIN 7337 | ISO 15977 | GB 12618 | — | UNI 9200 | JIS B1213 | DIN EN ISO 15977 | More |
| Sunk Head Blind Rivets | DIN 7337B | ISO 15978 | GB 12617 | — | UNI 9200 | JIS B1213 | DIN EN ISO 15978 | More |
| Lifting Eye Nuts | DIN 582 | ISO 3266 | GB 63 | — | UNI 2948 | JIS B1169 | DIN EN ISO 3266 | — |
| Lifting Eye Bolts | DIN 580 | ISO 3266 | GB 798 | — | UNI 2947 | JIS B1168 | DIN EN ISO 3266 | — |
| Socket Head w/ Pilot | DIN 6912 | — | — | — | — | — | — | More |
| Hex Socket Button Head | DIN 7380 | ISO 7380 | GB 70.2 | ANSI/ASME B18.3.4M | — | JIS B1174 | DIN EN ISO 7380 | — |
| Hex Socket Set (Flat) | DIN 913 | ISO 4026 | GB 77 | ANSI/ASME B18.3.6M | UNI 5923 | JIS B1177 | DIN EN ISO 4026 | — |
| Hex Socket Set (Cone) | DIN 914 | ISO 4027 | GB 78 | ANSI/ASME B18.3.6M | UNI 5925 | JIS B1177 | DIN EN ISO 4027 | — |
| Hex Socket Set (Cup) | DIN 916 | ISO 4029 | GB 80 | ANSI/ASME B18.3.6M | UNI 5929 | JIS B1177 | DIN EN ISO 4029 | — |
| Parallel Pins | DIN 7 | ISO 2338 | GB 119 | ANSI/ASME B18.8.2 | UNI 1707 | JIS B1354 | DIN EN ISO 2338 | — |
| Small Hexagon Nuts | DIN 0.934 | — | GB 310.2 | — | — | — | — | More |
| Raised Sunk Self-drilling | DIN 7504Q | ISO 15483 | GB 15855 | — | — | JIS B1124 | DIN EN ISO 15483 | More |
| Taper Pins | DIN 1 | ISO 2339 | GB 117 | ANSI/ASME B18.8.2 | UNI 1706 | JIS B1352 | DIN EN ISO 2339 | — |
| Sunk Self-drilling | DIN 7504P | ISO 15482 | GB 15855 | — | — | JIS B1124 | DIN EN ISO 15482 | More |
| Split Cotter Pins | DIN 94 | ISO 1234 | GB 91 | ANSI/ASME B18.8.1 | UNI 1336 | JIS B1351 | DIN EN ISO 1234 | — |
| Spring Pins (Heavy) | DIN 1481 | ISO 8752 | GB 879 | ANSI/ASME B18.8.2 | UNI 6873 | JIS B1354 | DIN EN ISO 8752 | — |
| Retaining Rings (Shaft) | DIN 471 | — | GB 891 | — | UNI 7435 | JIS B2804 | — | — |
| Retaining Rings (Bore) | DIN 472 | — | GB 892 | — | UNI 7437 | JIS B2804 | — | — |
| Weld Studs | DIN 32501 | ISO 13918 | GB 902.3 | — | — | — | DIN EN ISO 13918 | More |
| Hex Slotted Nuts | DIN 935 | ISO 7035 | GB 6178 | ANSI/ASME B18.2.2 | UNI 5593 | JIS B1181 | DIN EN ISO 7035 | — |
| Square Welding Nuts | DIN 928 | — | GB 13680 | — | — | — | — | — |
| Hexagon Welding Nuts | DIN 929 | — | GB 13681 | — | — | — | — | — |
| Hex Socket Set (Dog) | DIN 915 | ISO 4028 | GB 79 | ANSI/ASME B18.3.6M | UNI 5927 | JIS B1177 | DIN EN ISO 4028 | — |
| Slotted Sunk Screws | DIN 963 | ISO 2009 | GB 68 | ANSI/ASME B18.6.7M | UNI 6109 | JIS B1101 | DIN EN ISO 2009 | — |
| Slotted Raised Sunk | DIN 964 | ISO 2010 | GB 69 | ANSI/ASME B18.6.7M | UNI 6110 | JIS B1101 | DIN EN ISO 2010 | — |
| Parallel Pins (Internal) | DIN 7979 | ISO 8733 | GB 120 | ANSI/ASME B18.8.2 | — | JIS B1354 | DIN EN ISO 8733 | — |