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Specifies the coarse thread series (designation UNC) from 2 to 4 in. diameter, fine thread series (designation UNF) from 1/4 to 1-1/2 in. and extra fine thread series (designation UNEF) from 1/4 to 1-11/16 1in. A standard con stant pitch series arranged to give a graduated system of diameter pitch combinations is also included. The basic and design forms of the thread are defined and tables of basic dimensions, limits and tolerances for a ll the diameter/pitch combinations in the UNC, UNF, UNEF and the standard constant pitch series are given for the three classes of internal and external threads. The bases of tolerances for threads 2 in. and larger are included as an appendix as are details of five sizes below 2 in. diameter for attachment purposes and for general use in the aircraft industry.
Product Details
- Edition:
- 2nd
- Published:
- 01/01/1963
- Number of Pages:
- 2
- File Size:
- 1 file , 570 KB
- Product Code(s):
- 10158615
- Note:
- This product is unavailable in Russia, Belarus