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AS/NZS 2465:1999
[Current]Unified hexagon bolts, screws and nuts (UNC and UNF threads)
Specifies the dimensions for unified hexagon bolts, screws and nuts (UNC and UNF threads) in diameters from ¼ in to 1½ in, and the material requirements for steel bolts and screws of strength grades 5 and 8 and for nuts of strength grades 5 and 8.
Published: 05/02/1999
Pages: 12
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE AND GENERAL
1.1 SCOPE
1.2 REFERENCED DOCUMENTS
1.3 DEFINITIONS
1.4 MARKING
1.4.1 Bolts and screws
1.4.2 Nuts (see Table 1.2)
1.5 DESIGNATION
2 UNIFIED HEXAGON BOLTS AND SCREWS
2.1 SHAPE AND DIMENSIONS
2.1.1 General
2.1.2 Top of head
2.1.3 Wrenching height (k')
2.1.4 Bearing surface
2.1.5 Squareness and symmetry
2.1.6 Underhead fillet
2.1.7 Unthreaded shank diameter
2.1.8 Point
2.1.9 Tolerance on length
2.1.10 Thread length
2.1.10.1 General
2.1.10.2 Grip length
2.1.10.3 Basic thread length
2.1.10.4 Unthreaded shank length
2.1.11 Incomplete thread diameter
2.1.12 Straightness and concentricity of shank to screw thread
2.2 THREADS
2.3 METHOD OF MANUFACTURE
2.3.1 Heading
2.3.2 Threading
2.4 MATERIAL AND MECHANICAL PROPERTIES
3 UNIFIED HEXAGON NUTS
3.1 SHAPE AND DIMENSIONS
3.1.1 General
3.1.2 Tops and bearing surfaces of nuts
3.1.3 Width across flats
3.1.4 Corner fill
3.1.5 Symmetry
3.1.6 Countersink
3.2 THREADS
3.3 METHOD OF MANUFACTURE
3.4 MATERIAL AND MECHANICAL PROPERTIES
Cited references in this standard
SAE J995
Mechanical and material requirements for steel nuts
SAE J429
Mechanical and material requirements for externally threaded fasteners
ANSI B18.2.1
Square and hex bolts and screws—Inch series
SAA/SANZ HB18.22
Guidelines for third-party certification and accreditation, Guide 22: Information on manufacturers’ declaration of conformity with standards or other technical specifications
Content history
[Current]
[Superseded]
DR 98130
AS/NZS 2465:1999 Rec:2016
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