RO
SR EN ISO 7721-2:2002
Countersunk flat head screws - Part 2: Penetration depth of cross recesses (ISO 7721-2:1990)
Specifies the following tests: - Test 12: Resistance to solvents; - Test 16: Resistance to refrigerants; - Test 17: Solderability; - Test 20: Resistance to transformer oil This consolidated version consists of the second edition (1996), its amendment 1 (1997) and its amendment 2 (2005). Therefore, no need to order amendments in addition to this publication.
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Status :
Valid
Approval date : 9/25/2002
Publish date : 9/26/2002
Romanian version publish date : 9/25/2002
Number of pages : 11
ICS : 21.060.10 Bolts, screw, studs
Technical Committee : 59 - Screw threads, fasteners and bearings
- Replaces SR ISO 7721-2:1993
- Normative reference SR EN 27721:2002
- Normative reference SR EN ISO 4757:2002
- Normative reference SR EN 20225:2000
- A99 SR ISO 7721-2:1993/A99:2002