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.
| Edition : | 2nd |
| File Size : | 1
file
, 570 KB |
| Note : | This product is unavailable in Russia, Belarus |
| Number of Pages : | 2 |
| Product Code(s) : | 10158615 |
| Published : | 01/01/1963 |
