The measuring wires are hardened and precision lapped. They are placed onto spindle and anvil of the outside micrometer. The three-wire measuring process is applied to determine the pitch diameter of threads and considered as one of the most accurate measuring procedures.
Technical Details
| Remarks: | For micrometer spindle diameter 6.35 mm |
| Accuracy: | DIN 2269, Grade 1 |
| Content of Set: | 18 pairs of wires D= 0.17 – 3.2 mm |
| Delivered: | In a wooden case |
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