BS 3643-2:1981 ISO metric screw threads. Specification for selected limits of size (AMD 5094) (Withdrawn)
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 1mm to 68mm diameter, fine pitch 1mm to 33mm diameter and constant pitch 8mm to 300mm diameter.
Superseded by BS 3643-2:2007.
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