Test Methods and Specifications
Supply of Steel Fasteners
- Publication no: ATS-5420-25
- Published: 10 July 2025
- Edition: 1.1
- PDF (free) Download
Austroads Technical Specification ATS 5420 sets out the requirements for the supply of fasteners for steelwork, including bolts, nuts, screws, washers, studbolts and threaded rods (‘Fasteners’). It covers Fasteners manufactured from carbon steel, alloy steel, weathering steel and stainless steel.
The technical specification can also be downloaded as a Word document.
Edition 1.1 published July 2025
- Edition 1.1 renamed from 'Supply of Bolts, Nuts and Washers' to 'Supply of Steel Fasteners'.
- Edition 1.1 amends clauses 2.1, 6.5, and 10 and Tables 8.1 and B.1 and adds new clauses 1.2, 1.3, 7.3-7.6.
Superseded editions
- 1. Scope
- 2. Referenced Documents
- 3. Definitions
- 4. Quality System Requirements
- 5. High Strength Structural Bolt Assemblies
- Assemblies Conforming to AS/NZS 1252.1
- Alternative Assembly Type (to EN 14399-3)
- Additional Assembly Type (to EN 14399-3)
- Weather Resistant Steel Assemblies
- 6. Other Fasteners
- General
- Bolts and Nuts
- Screws
- Fasteners in Imperial Units
- Washers
- Studbolts
- Threaded Rods, Holding Down Bolts and Other Non-standard Fasteners
- Locking Devices
- 7. Stainless Steel Fasteners
- Composition
- 8. Protective Treatment for Fasteners
- Thermal Diffusion Galvanising
- 9. Testing
- General
- Mechanical Properties
- Chemical Composition
- Reduced Rate of Testing
- Test Certificates
- Testing by Principal
- Nonconforming Purchase Lots
- 10. Traceability
- 11. Delivery and Storage
- Annexure A: Summary of Hold Points, Witness Points and Records
- Annexure B: Testing of Mechanical Properties
- Required Tests
- Test Frequency
Related publications
ATS-5452-26
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