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Provides for two forms of thread, designated respectively ‘standard’ having a pressure flank angle of 7 degrees with an included angle between the pressure and trailing flanks of 52 degrees; and ‘special’ having the pressure flank normal to the axis of the screw with an included angle between the pressure and trailing flanks of 52 degrees. Does not specify a rigid pitch/diameter relationship but includes preferred series for both diameters and for pitches. Provides tables of tolerances and allowances for three classes of fit, namely, close, medium, and fine. Includes a recommended system of gauging, with notes on the appropriate types and design sizes of the gauges; also includes an explanation of the method of measurement of the effective diameter of buttress threads together with tables of dimensions for the best sizes of thread measuring cylinders.
Product Details
- Edition:
- 1st
- Published:
- 01/01/1961
- Number of Pages:
- 25
- File Size:
- 1 file , 160 KB
- Product Code(s):
- 10127894, 10127824, 10127920
