AS/NZS 1110:1995
ISO metric precision hexagon bolts and screws
(=ISO 4014:1988 and ISO 4017:1988) Specifies the dimensional and marking requirements for precision hexagon bolts and screws with ISO metric coarse pitch series threads in diameters from 1.6 mm to 36 mm inclusive, and the material requirements for steel bolts and screws of property classes 4.6, 5.8, 8.8, 9.8, 10.9, and 12.9.
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AS/NZS 1110:1995 ISO METRIC PRECISION HEXAGON BOLTS AND SCREWS
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Concentricity tolerance
3.2 Grip length
3.3 Unthreaded shank length
3.4 Nominal length
3.5 Precision bolts and screws
3.6 Screw
3.7 Symmetry tolerance
3.8 Thread length
3.9 Thread runout
3.9.1 Bolts and screws with rolled threads
3.9.2 Bolts and screws with cut threads
3.10 Transition diameter
3.11 Shall
3.12 Should
3.13 May
4 METHOD OF MANUFACTURE
5 SHAPE, DIMENSIONS AND FINISH
5.1 Hexagon heads
5.1.1 General
5.1.2 Chamfer
5.1.3 Washer face
5.2 Length of hexagon bolts and screws
5.3 Ends of hexagon bolts and screws
5.4 Screw threads
5.4.1 General
5.4.2 Tolerances
5.5 Length of thread
5.5.1 Hexagon bolts
5.5.2 Hexagon screws
5.6 Squareness, concentricity and symmetry of hexagon bolts and screws
5.6.1 Squareness of bearing face
5.6.2 Concentricity of shank to screw thread
5.6.3 Symmetry of head to shank
5.7 Shank
5.7.1 Diameter
5.7.2 Straightness
5.8 Underhead fillet (see Figure 2)
5.8.1 Bolts
5.8.2 Screws
5.9 Finish
5.9.1 General
5.9.2 Surface roughness
5.9.3 Surface finish
5.9.4 Coatings
6 MATERIALS AND MECHANICAL PROPERTIES FOR STEEL BOLTS AND SCREWS
7 TEST METHODS FOR STEEL BOLTS AND SCREWS
8 MARKING
9 DESIGNATION
APPENDIX A - BASIS FOR DERIVATION OF TOLERANCES
APPENDIX B - SHANK AND HEAD DIMENSIONS FOR HEXAGON BOLTS AND SCREWS WITH THREADS LARGER THAN M36
APPENDIX C - RECOMMENDED COMBINATIONS OF STEEL BOLTS AND SCREWS WITH ASSOCIATED NUTS
C1 RECOMMENDED COMBINATIONS OF NORMAL, SLOTTED AND CASTLE NUTS WITH BOLTS AND SCREWS
C2 THIN NUTS
APPENDIX D - NON-PREFERRED SIZES
APPENDIX E - A SUGGESTED AUDIT SAMPLING PLAN FOR MECHANICAL PROPERTIES
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AS/NZS 1110:1995 ISO METRIC PRECISION HEXAGON BOLTS AND SCREWS
PREFACE
CONTENTS
1 SCOPE
2 REFERENCED DOCUMENTS
3 DEFINITIONS
3.1 Concentricity tolerance
3.2 Grip length
3.3 Unthreaded shank length
3.4 Nominal length
3.5 Precision bolts and screws
3.6 Screw
3.7 Symmetry tolerance
3.8 Thread length
3.9 Thread runout
3.9.1 Bolts and screws with rolled threads
3.9.2 Bolts and screws with cut threads
3.10 Transition diameter
3.11 Shall
3.12 Should
3.13 May
4 METHOD OF MANUFACTURE
5 SHAPE, DIMENSIONS AND FINISH
5.1 Hexagon heads
5.1.1 General
5.1.2 Chamfer
5.1.3 Washer face
5.2 Length of hexagon bolts and screws
5.3 Ends of hexagon bolts and screws
5.4 Screw threads
5.4.1 General
5.4.2 Tolerances
5.5 Length of thread
5.5.1 Hexagon bolts
5.5.2 Hexagon screws
5.6 Squareness, concentricity and symmetry of hexagon bolts and screws
5.6.1 Squareness of bearing face
5.6.2 Concentricity of shank to screw thread
5.6.3 Symmetry of head to shank
5.7 Shank
5.7.1 Diameter
5.7.2 Straightness
5.8 Underhead fillet (see Figure 2)
5.8.1 Bolts
5.8.2 Screws
5.9 Finish
5.9.1 General
5.9.2 Surface roughness
5.9.3 Surface finish
5.9.4 Coatings
6 MATERIALS AND MECHANICAL PROPERTIES FOR STEEL BOLTS AND SCREWS
7 TEST METHODS FOR STEEL BOLTS AND SCREWS
8 MARKING
9 DESIGNATION
APPENDIX A - BASIS FOR DERIVATION OF TOLERANCES
APPENDIX B - SHANK AND HEAD DIMENSIONS FOR HEXAGON BOLTS AND SCREWS WITH THREADS LARGER THAN M36
APPENDIX C - RECOMMENDED COMBINATIONS OF STEEL BOLTS AND SCREWS WITH ASSOCIATED NUTS
C1 RECOMMENDED COMBINATIONS OF NORMAL, SLOTTED AND CASTLE NUTS WITH BOLTS AND SCREWS
C2 THIN NUTS
APPENDIX D - NON-PREFERRED SIZES
APPENDIX E - A SUGGESTED AUDIT SAMPLING PLAN FOR MECHANICAL PROPERTIES
Previous versions
AS/NZS 1110:1995
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.