Nut (BN)
| Designations | Tube O.D | T | Width across flat H | L |
| D | ||||
|---|---|---|---|---|
| BN-04 | 4 | M10Ｘ1.25 | 10.5 | |
| BN-06 | 6 | M12Ｘ1.5 | 15.0 | |
| BN-08 | 8 | M14Ｘ1.5 | 15.0 | |
| BN-10 | 10 | M16Ｘ1.5 | 16.0 | |
| BN-12 | 12 | M18Ｘ1.5 | 16.0 | |
| BN-15 | 15 | M22Ｘ1.5 | 19.0 | |
| BN-16 | 16 | M24Ｘ1.5 | 19.0 | |
| BN-18 | 18 | M26Ｘ1.5 | 19.0 | |
| BN-20 | 20 | M28Ｘ1.5 | 19.0 | |
| BN-22 | 22 | M30Ｘ1.5 | 19.0 | |
| BN-25 | 25 | M35Ｘ1.5 | 20.0 | |
| BN-28 | 28 | M38Ｘ1.5 | 21.0 | |
| BN-30 | 30 | M40Ｘ1.5 | 22.0 | |
| BN-32 | 32 | M42Ｘ1.5 | 22.0 | |
| BN-35 | 35 | M45Ｘ1.5 | 25.0 | |
| BN-38 | 38 | M48Ｘ1.5 | 27.0 | |
| BN-40 | 40 | M52Ｘ2 | 29.5 | |
| BN-42 | 42 | M52Ｘ2 | 29.5 | |
| BN-50 | 50 | M64Ｘ2 | 31.5 | |
| BN-81 | 10.5 (1/8") | M16Ｘ1.5 | 16.0 | |
| BN-82 | 13.8 (1/4") | M20Ｘ1.5 | 18.0 | |
| BN-83 | 17.3 (3/8") | M26Ｘ1.5 | 19.0 | |
| BN-84 | 21.7 (1/2") | M30Ｘ1.5 | 19.0 | |
| BN-85 | 27.2 (3/4") | M38Ｘ1.5 | 21.0 | |
| BN-86 | 34.0 (1") | M45Ｘ1.5 | 25.0 | |
| BN-87 | 42.7 (1 1/4") | M56Ｘ2 | 30.5 | |
| BN-88 | 48.6 (1 1/2") | M64Ｘ2 | 31.5 |