ISO 7994:1985
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Aerospace — Internal drive, offset cruciform recess (Torq-Set) for rotary fastening devices — Metric series
Hardcopy , PDF
English, French
07-11-1985
23-09-2021
Gives maximum and minimum dimensional requirements for fastening devices and for the associated drives and gauges. The combinations suggested herein are provided for metric shank diameters. This configuration is intended primarily for use in aerospace applications and other critical areas where high assembly and removal torque capabilities are required.
| Committee |
ISO/TC 20/SC 4
|
| DevelopmentNote |
Also numbered as BS A297(1987) (11/2005)
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| Standards | Relationship |
| NBN EN 2939 : 1995 | Identical |
| NBN EN 2884 : 1996 | Identical |
| NBN EN 2940 : 1996 | Identical |
| NBN EN 2885 : 1996 | Identical |
| NBN EN 2886 : 1996 | Identical |
| NBN EN 2897 : 1996 | Identical |
This standard has been withdrawn and is no longer current. No replacement edition is available.