AS/NZS 2451:1998
Current
The latest, up-to-date edition.
Bolts, screws and nuts with British Standard Whitworth threads (rationalized series)
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English
05-02-1998
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Specifies the dimensions for bolts and screws with British Standard Whitworth threads in diameters from ¼ in to 6 in, and the material requirements for steel bolts, screws and nuts for general use.
| Committee |
ME/29
|
| DocumentType |
Standard
|
| ISBN |
0 7337 1708 X
|
| Pages |
22
|
| ProductNote |
Reconfirmed 20/05/2016.This standard has been reconfirmed in Australia in 2016 and remains current in New Zealand. Reconfirmation Notice 20/05/2016
|
| PublisherName |
Standards Australia
|
| Status |
Current
|
| Supersedes |
This Standard specifies the requirements for hexagon bolts and screws with British Standard Whitworth (BSW) thread in diameters from 1/4in to 2 in inclusive and nuts with BSW thread in diameters from 1/4in to 6 in inclusive.The Standard is intended primarily to cover steel bolts, screws and nuts used within the temperature range of -50¦C to +300¦C, and does not make provision for products requiring special properties such as weldability or corrosion-resistance.The dimensional requirements of this Standard may also be applied to hexagon nonferrous and stainless steel bolts, screws and nuts.NOTES:1 The range of sizes included in this Standard is considered adequate for most of the applications for which this series is likely to be employed.2 To provide for the time when imperial measuring equipment is no longer available, dimensional and mechanical property requirements in metric units are given in Appendix A.3 If the purchaser requires other pitch series, i.e. BSF or other thread classes, these should be the subject of agreement between the purchaser and the manufacturer.
Originated in Australia as AS (E)B506-1943.
Previous Australian edition AS 2451-1981.
Jointly revised and designated AS/NZS 2451:1998.
| AS/NZS 4291.1:1995 | Mechanical properties of fasteners Bolts, screws and studs |
| AS/NZS 4291.2:1995 | Mechanical properties of fasteners Nuts with specified proof load values - Coarse thread |
| AS 1654.2-1995 | ISO system of limits and fits - Tables of standard tolerance grades and limit deviations for holes and shafts |
| AS B193-1970 | Hot-dip galvanized coating on fasteners (BSW and UNC threads) |
| AS 3501-1987 | Parallel screw threads of whitworth form (BSW and BSF) and associated gauges and gauging practice (Reconfirmed 2017) |
| HB 18.22:2003 | Guidelines for third-party certification and accreditation General criteria for supplier’s declaration of conformity |
| AS 4291.1-2000 | Mechanical properties of fasteners made of carbon steel and alloy steel - Bolts, screws and studs |
| AS/NZS 1576.2:2016 | Scaffolding Couplers and accessories |
| AS 2129-2000 | Flanges for pipes, valves and fittings (Reconfirmed 2016) |
| AS 1210-2010 | Pressure vessels (Reconfirmed 2021) |
| AS/NZS 1576.2:2009 | Scaffolding Couplers and accessories |
| AS 1210-1997 | Pressure vessels |
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