BS 4084:1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Specification for UNJ threads, with controlled root radius, for aerospace: inch series
Hardcopy , PDF
15-08-1996
English
29-12-1978
Foreword
Cooperating organizations
Specification
1. Scope
2. Field of application
3. Basic profile of thread
4. Series of threads
5. Designation of threads
6. Tolerances
7. Gauging by limit gauges
8. Tables
Tables
1. Basic profile
2. Basic dimensions
3. Thread series
4. Limit values of the root radius R
(dimensions in inches with metric conversions)
5. Values of tolerances for profile dimensions
(inch dimensions)
6. Values of tolerances for profile dimensions
(metric conversions)
7. Maximum permissible deviation in the lead error
and half-angle (inch dimensions)
8. Maximum permissible deviation in the lead error
and in the half-angle (metric conversions
Appendix
A. 20 UNJ constant pitch series for diameters up to
and including 3 inches
Important note : Users cannot be edited or removed once added to your Multi user PDF.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.