- Identify the pitch of screw thread
- Made of medium carbon steel
Whitworth 55° screw | |||
Code | Range | Pitch of leaves included | Quantity of leaves |
4820-328 | 4-62TPI | 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12,13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62TPI | 28 |
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