This specification establishes the requirements for externallythreaded fasteners of diameters from .30 UNM (.0118 in.) to 1.40UNM (.0551 in.) inclusive, which fall within the classification ofMiniature Screws and which are designed to be assembled with tappedholes or nuts and driven by means of a jeweler’s type screwdriver.There is only one class of thread established: this is with zeroallowance on all diameters. All tolerances governing limits of sizeare based on functions of the pitch only and apply to lengths ofengagement from two-thirds to one and one-half times the nominaldiameter.
- Edition:
- 4
- Published:
- 03/31/2015
- Number of Pages:
- 4
- File Size:
- 1 file , 58 KB
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