Standard Pitch Blocks
Code: 6251
Set zero of internal and external pitch measuring instruments (code 2234, 2235, 2245)
| Code | Taper | Threads per inch | Inspection Elements |
|---|---|---|---|
| 6251-S8 | 1:16 | 8， 10 | lead |
| 6251-S5 | 1:16 | 5 | lead |
| 6251-S4 | 1:6 | 4 | lead |
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