RO
SR EN 20898-2:1997
Mechanical properties of fastness. Part 2: Nuts with specified proof load values. Coarse thread
Applies to nuts with nominal thread diameters up to and including 39 mm, specific mechanical requirements, widths across flats as specified in ISO 272, nominal heights greater than or equal to half the nominal diameter of the internal thread, made of carbon steel or low alloy steel. Does not apply to nuts requiring special properties (such as weldability, corrosion resistance, etc.). Values apply when tests are made at room temperature.
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Status :
Withdrawn
Approval date : 9/6/1996
Publish date : 9/7/1996
Withdrawal date : 8/31/2012
Number of pages : 24
ICS : 21.060.20 Nuts
Technical Committee : 59 - Screw threads, fasteners and bearings
- Replaces STAS 2700/4-89
- Normative reference SR EN ISO 6157-2:2004
- Replaced by SR EN ISO 898-2:2012
- Conflict with STAS 2700/9-78
- Conflict with STAS 2700/7-82