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I.S. EN 493:1993

I.S. EN 493:1993

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

FASTENERS - SURFACE DISCONTINUITIES - NUTS

Available format(s)

Hardcopy , PDF

Superseded date

09-29-2004

Language(s)

English

Published date

01-01-1993

Publisher

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

Foreword
1 Scope
2 Normative references
3 Types, causes, appearance and limits of surface
   discontinuities
4 Inspection and evaluation procedure
Annex A (normative) Widening test on nuts
Annex B (normative) Cone proof load test on nuts

Sets limits for various types of surface discontinuities on nuts with: - nominal thread diameters from 5 up to and including 39 mm; - product grade A and B; - all property classes according to EN 20898-6 and IS0 2320 unless otherwise specified in product standards or by the purchaser.

DocumentType
Standard
Pages
38
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

Standards Relationship
NS EN 493 : 1ED 1992 Identical
NEN EN 493 : 1993 Identical
NF EN 493 : 1992 Identical
NBN EN 493 : 1992 Identical
UNI EN 493 : 1993 Identical
EN 493 : 1992 Identical
DIN EN 493:1992-07 Identical
BS EN 493:1992 Identical

ISO 2320:2015 Fasteners Prevailing torque steel nuts Functional properties
EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
ISO 898-6:1994 Mechanical properties of fasteners Part 6: Nuts with specified proof load values Fine pitch thread
ISO 468:1982 Surface roughness — Parameters, their values and general rules for specifying requirements
ISO 3269:2000 Fasteners Acceptance inspection

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PDF - English
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