- Identify the pitch of screw thread
- Made of medium carbon steel
Unified 60° screw | |||
Code | Range | Pitch of leaves included | Quantity of leaves |
4820-230 | 442TPI | 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11,11-1/2,12, 13, 14,15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42TPI | 30 |
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