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BS 3643-2 81st Edition, December 31, 1981
Complete Document
ISO Metric Screw Threads: Selected Limits of Size
Includes all amendments and changes through Amendment 1, June 1986
Page Count:46
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Specifies the fundamental deviations, tolerances and limits of size for tolerance classes 4H, 5H, 6H and 7H for internal threads and 4h, 6g, and 8g for external threads for coarse pitch 1 mm to 68 mm diameter, fine pitch 1 mm to 33 mm diameter and constant pitch 8 mm to 300 mm diameter.