Metric
(Imperial sizes available on request.)
Available sizes:
| Part Ref | Available Sizes | Description |
| 1683M47 | M5 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M49 | M6 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M54 | M8 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M56 | M10 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M58 | M12 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M60 | M14 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M62 | M16 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M63 | M18 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M64 | M20 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M65 | M22 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M66 | M24 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M69 | M30 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |
| 1683M71 | M36 Philidas Industrial Nut | ISO 898/2 Gr8 Zinc & Yellow |