Specification for micrometer heads
This British Standard relates to micrometer heads having measuring ranges of:
It applies to micrometer heads with rotatable spindles and with non-rotatable spindles, classed according to the following ranges of thimble diameter (dia. D, Figure 1):—
Type 1 Below 1 in. thimble diameter.
Type 2 1 in. and below 2 in. thimble diameter.
Type 3 2 in. thimble diameter and over.
NOTE Micrometer heads of the larger types with non-rotatable spindles may be supplied to special orders with dimensions approximately similar to those given in Table 2 and to an accuracy similar to that shown in Table 4
| SDO | BSI: British Standards Institution |
| Document Number | 1734 |
| Publication Date | April 16, 1951 |
| Language | en - English |
| Page Count | |
| Revision Level | |
| Supercedes | |
| Committee | TPR/1 |
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