ISO metric screw threads Specification for selected limits of size

Available format(s)

Hardcopy , PDF

Superseded date

30-11-2007

Language(s)

English

Published date

31-12-1981

Publisher

British Standards Institution

Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Designation
Appendix
A Additional tolerance classes for aerospace use
Tables
1 ISO metric screw threads: limits and tolerances for
   finished uncoated threads for normal length of
   engagement
2 ISO metric screw threads: limits and tolerances for
   finished uncoated threads for normal length of
   engagement for aerospace use

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.

Committee	FME/9
DevelopmentNote	Supersedes 81/70041 DC, 85/71584 DC and BS 3643-2(1966) (07/2005)
DocumentType	Standard
Pages	46
PublisherName	British Standards Institution
Status	Superseded

ISO 4042:1999	Fasteners Electroplated coatings
BS 3643-1:1981	ISO metric screw threads Principles and basic data
PD 6494:1980	Mismatch of screw thread systems