Aluminium 6061 Fasteners are lightweight, corrosion-resistant fastening components made from the 6061 aluminium alloy, a heat-treatable Al-Mg-Si-Cu grade known for its good strength-to-weight ratio, machinability, weldability, and resistance to atmospheric corrosion. We supply 6061-T6 bolts, nuts, screws, studs, U-bolts, flange bolts, washers, and other fastener configurations for industrial, structural, transportation, marine, electrical, and general engineering applications.
6061 aluminium fasteners are particularly useful where reducing assembly weight is important without moving to a less versatile material. Their non-magnetic nature, good fabrication characteristics, and ability to be supplied in different finishes make them suitable for demanding equipment and engineered assemblies.
Common material designations include: UNS A96061, EN AW-6061, WNr 3.3211, ISO AlMg1SiCu, and Aluminium Alloy 6061.
What Are Aluminium 6061 Fasteners?
Aluminium 6061 Fasteners are bolts, nuts, screws, studs, washers, U-bolts, and similar fastening products manufactured from 6061 aluminium alloy. The alloy contains magnesium and silicon with controlled additions of copper and other elements. In the T6 temper, it provides a useful combination of strength, low weight, corrosion resistance, machinability, and weldability. These fasteners are commonly selected for transportation, structural, marine, electrical, and industrial applications where lightweight and corrosion-resistant fastening is required.
Table of Contents
- ➤ Aluminium 6061 Fasteners Specifications
- ➤ Types of Aluminium 6061 Fasteners
- ➤ Chemical Composition of Aluminium 6061
- ➤ Mechanical Properties of 6061-T6 Aluminium Fasteners
- ➤ Why Choose Corrosion Resistant 6061 Aluminum Fasteners?
- ➤ Aluminium 6061 Fasteners Standards and Equivalent Designations
- ➤ Aluminium 6061 Fasteners Weight Chart
- ➤ Applications of Aluminium 6061 Fasteners
- ➤ 6061-T6 Fastener Manufacturing and Quality Control
- ➤ Aluminium 6061 Fasteners Exporter to USA, Europe and Middle East
- ➤ How to Select the Right Aluminium 6061 Fastener
- ➤ Why Buy Aluminium 6061 Fasteners From Us?
Aluminium 6061 Fasteners Specifications
| Property | Details |
|---|---|
| Material | Aluminium Alloy 6061 |
| UNS | A96061 |
| EN Designation | EN AW-6061 |
| Werkstoff Number | WNr 3.3211 |
| ISO Designation | AlMg1SiCu |
| Common Temper | 6061-T6 |
| Density | Approx. 2.70 g/cm³ |
| Product Forms | Bolts, nuts, screws, studs, U-bolts, washers, flange bolts |
| Finish | Mill finish, anodized and other specified finishes |
| Magnetic Property | Non-magnetic |
| Manufacturing | Cold forming, machining and other suitable processes depending on size and configuration |
| Applications | Industrial, structural, transportation, marine, electrical and general engineering |
Types of Aluminium 6061 Fasteners
We manufacture and supply different configurations according to application and assembly requirements:
➤ 6061-T6 Aluminum Bolts and Nuts
These are commonly selected for lightweight assemblies where corrosion resistance and moderate-to-high strength are required. Hex bolts, heavy-style configurations, machine bolts, and matching nuts can be supplied according to dimensional requirements.
➤ Lightweight Aluminum 6061 Hex Bolts
Hex head bolts provide convenient installation with standard tools. Their low density makes them useful where overall assembly weight must be controlled.
➤ Aluminum 6061 Flange Bolts
Flange bolts incorporate a flange beneath the head to distribute the clamping load over a larger area. They are useful for equipment, fabricated structures, panels, and machinery.
➤ Aluminum 6061 U-Bolts
6061 U-bolts are used for securing pipes, tubes, cables, conduits, frames, and other cylindrical or structural components.
➤ Aluminum 6061 Screws and Studs
Machine screws, socket screws, threaded studs, and other threaded products can be manufactured or supplied for specialized assemblies.
Chemical Composition of Aluminium 6061
6061 is an aluminium-magnesium-silicon alloy with copper as an important alloying addition. A typical composition range is shown below; exact limits depend on the governing specification.
| Element | Typical / Specification Range (%) |
|---|---|
| Aluminium | Balance |
| Magnesium | 0.80–1.20 |
| Silicon | 0.40–0.80 |
| Copper | 0.15–0.40 |
| Iron | Max. 0.70 |
| Manganese | Max. 0.15 |
| Zinc | Max. 0.25 |
| Titanium | Max. 0.15 |
| Chromium | 0.04–0.35 |
| Other Elements | Controlled as specified |
This alloy chemistry gives 6061 its useful balance of strength, corrosion resistance, machinability, and weldability.
Mechanical Properties of 6061-T6 Aluminium Fasteners
The mechanical performance of a fastener depends on its diameter, manufacturing method, temper, product standard, and heat treatment. Typical 6061-T6 alloy properties are useful for material selection but should not be treated as a universal fastener proof-load or tensile requirement.
| Property | Typical 6061-T6 Value |
|---|---|
| Tensile Strength | Approx. 290 MPa |
| Yield Strength | Approx. 240 MPa |
| Elongation | Approx. 8–12% |
| Elastic Modulus | Approx. 69 GPa |
| Density | Approx. 2.70 g/cm³ |
| Shear Modulus | Approx. 26 GPa |
| Melting Range | Approx. 582–652°C |
For critical bolted joints, the applicable fastener standard and certified mechanical test results should be used for final engineering approval.
Why Choose Corrosion Resistant 6061 Aluminum Fasteners?
The main advantage of 6061 aluminium is its combination of low weight and useful mechanical performance. Its naturally protective oxide layer provides good resistance to many atmospheric environments.
Key advantages include:
- Lightweight compared with steel fasteners
- Good strength-to-weight ratio
- Corrosion resistant in many atmospheric environments
- Non-magnetic characteristics
- Good machinability
- High weldability compared with many high-strength aluminium alloys
- Suitable for anodizing and other surface treatments
- Useful thermal and electrical conductivity
- Easy handling during installation
- Suitable for weight-sensitive engineering assemblies
For aggressive chemical, marine, or galvanically sensitive applications, the complete joint design should be evaluated because aluminium fasteners can experience galvanic corrosion when directly coupled with certain dissimilar metals.
Aluminium 6061 Fasteners Standards and Equivalent Designations
6061 aluminium is identified by several international designations depending on the market and specification system.
| Standard / System | Equivalent or Related Designation |
|---|---|
| UNS | A96061 |
| EN | EN AW-6061 |
| Werkstoff | 3.3211 |
| ISO | AlMg1SiCu |
| Aluminium Alloy | 6061 |
| Temper | 6061-T6 |
| AMS | AMS 4117 may apply to specified 6061 wrought product forms |
| QQ-A | AMS/QQ-A-225/8 may be referenced for applicable wrought bar/wire product requirements |
Important: equivalent designations do not automatically mean identical product requirements. The applicable product form, temper, dimensional standard, mechanical requirements, and certification should always be verified.
Aluminium 6061 Fasteners Weight Chart
Because aluminium has a density of approximately 2.70 g/cm³, 6061 fasteners are substantially lighter than comparable steel fasteners. Actual weight varies with head style, length, thread, diameter, and configuration.
| Fastener Size | Approximate Weight Range* |
|---|---|
| M5 × 20 | 1–2 g |
| M6 × 25 | 3–5 g |
| M8 × 30 | 7–10 g |
| M10 × 40 | 15–22 g |
| M12 × 50 | 28–40 g |
| M16 × 60 | 65–85 g |
| M20 × 80 | 125–160 g |
| M24 × 100 | 230–300 g |
*Indicative values only. Actual weight depends on the fastener configuration and dimensions.
Applications of Aluminium 6061 Fasteners
Aluminium 6061 fasteners are used where low weight, corrosion resistance, and non-magnetic characteristics are valuable.
Typical applications include:
- Aerospace and transportation equipment
- Automotive and motorsport assemblies
- Marine and boat components
- Electrical and electronic equipment
- Solar and renewable-energy structures
- Lightweight structural assemblies
- Aluminium frames and enclosures
- Machinery and fabricated equipment
- HVAC and ventilation systems
- Communication equipment
- Panels, platforms, and access structures
- General engineering applications
For assemblies involving steel or stainless steel components, suitable isolation methods may be required to minimize galvanic interaction.
6061-T6 Fastener Manufacturing and Quality Control
Aluminium 6061 Fasteners Exporter to USA, Europe and Middle East
We supply Aluminium 6061 Fasteners for export to the USA, Europe, Middle East, UAE, Saudi Arabia, and other international markets. Products can be prepared according to project requirements, including metric or imperial dimensions, specified thread forms, finishes, packaging, and inspection documentation.
Whether you need UNS A96061 Fasteners, EN AW-6061 bolts, 6061-T6 aluminium bolts and nuts, flange bolts, U-bolts, studs, or customized fasteners, we can support bulk and project-based requirements.
How to Select the Right Aluminium 6061 Fastener
Before ordering, consider:
- Fastener type: Select bolts, nuts, screws, studs, U-bolts, or another configuration.
- Temper: Confirm whether 6061-T6 or another temper is required.
- Size: Specify diameter, length, thread pitch, and head style.
- Environment: Check corrosion, temperature, marine exposure, and galvanic compatibility.
- Finish: Select mill finish, anodizing, or another required surface treatment.
- Documentation: Confirm inspection certificates, material certificates, and testing requirements.
- Application load: Verify tensile, shear, torque, preload, and joint-design requirements.
Why Buy Aluminium 6061 Fasteners From Us?
We focus on supplying fasteners according to the technical requirements of each application rather than offering a one-size-fits-all product. Our sourcing and inspection process is aligned with the specified material grade, dimensions, finish, and documentation requirements.
We can support standard and customized Aluminium 6061 Fasteners, including 6061-T6 Aluminum Bolts and Nuts, Lightweight Aluminum 6061 Hex Bolts, Aluminum 6061 Flange Bolts & U-Bolts, and other threaded components.
Contact us with your required size, quantity, drawing, standard, temper, finish, and delivery destination for a quotation.
Order Aluminium 6061 Fasteners
If you require 6061-T6 Aluminum Bolts and Nuts, ASTM F468 6061-T6 Fasteners, EN AW-6061 Bolts, Lightweight Aluminum 6061 Hex Bolts, U-bolts, flange bolts, studs, screws, or custom fasteners, we can supply products according to your required dimensions, quantity, standards, and documentation.
For international buyers, we supply Aluminium 6061 Fasteners for USA, Europe, Middle East and UAE markets and can support bulk orders, export packing, inspection requirements, and project-specific specifications.
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