Brass Lock Nut is generally used to secure a cable gland, reducer, and adaptor in position at the equipment. Brass Lock nuts are widely used in electrical installation due to low corrosion effect.
In Metric M16 to M90, In NPT ½” to 3 1/2” and In PG 7 to PG48.
Brass BS2874
Brass Lock Nut also available in Nickle, Zinc Plating, chrome Plating.
| Thread Dia. | A/F | A/C | Thickness |
| M16 | 19 | 22 | 3 |
| M20 | 24 | 26.95 | 3.25 |
| M25 | 30 | 34 | 3.25 |
| M32 | 37 | 39 | 3.75 |
| M40 | 47 | 53 | 4.5 |
| M50 | 56 | 62 | 4.75 |
| M63 | 72 | 77 | 6.5 |
| M75 | 85 | 91 | 6.5 |
| M90 | 106 | 112 | 10 |
| Thread Dia. | A/F | A/C | Thickness |
| 1/2″ | 30 | 34 | 3 |
| 3/4″ | 30 | 34 | 3.25 |
| 1″ | 37 | 39 | 3.25 |
| 1 1/4″ | 47 | 53 | 3.75 |
| 1 1/2″ | 56 | 62 | 4.5 |
| 2″ | 72 | 77 | 4.75 |
| 2 1/2″ | 85 | 91 | 6.5 |
| 3″ | 106 | 112 | 6.5 |
| 3 1/2″ | 127 | 142 | 10 |
| Thread Dia. | A/F | A/C | Thickness |
| PG7 | 15 | 16.5 | 2.9 |
| PG9 | 18 | 20 | 2.9 |
| PG11 | 21 | 23 | 3.1 |
| PG13.5 | 23 | 25 | 3.1 |
| PG16 | 26 | 28.6 | 3.1 |
| PG21 | 31 | 35 | 3.6 |
| PG29 | 41 | 46 | 4.1 |
| PG36 | 51 | 56.5 | 5.1 |
| PG42 | 59 | 62 | 5.1 |
| PG48 | 64 | 70 | 6.1 |
