| STANDARD | DESCRIPTION | GRADE | DIAMETIER | MARKED | TEST STANDARD |
| DIN 934 | HEXAGONAL NUTS | 181 | M6~M76 | | DIN 267 1-26 |
| DIN 555 | HEXAGONAL NUTS | 181 | M6~M76 | | DIN 267 1-26 |
| GB 41 | HEXAGON NUTS STYLE-PRODUCT GRADE C | 181 | M6~M76 | | DIN 267 1-26 |
| GB6170 | HEX NUTS STYLE PRODUCT GRADE A AND B | 181 | M6~M76 | | DIN 267 1-26 |
| ANSI/ASME B18.2 2D6 | HEX FLAT NUTS AND HEX FLAT JAM NUTS | GR.2 | 1/4"~3" | | A663 |
| ANS1/ASME B18.2 2D12 | HEAVY HEX FLAT NUTS AND
HEAVY HEX FLAT JAM NUTS | GR.2 | 1/4"~3" | | A563 |
| B.S.W 1083 | BRIGHT MTLD STEEL HEXAGONAL. NUTS | GR.2 | 1/4"~3" | | B.S916 |
| B.S.W 910 | BLACK MTL STEEL HEXAGONAL NUTS | GR.2 | 1/4"~3" | | B.S 916 |
