Aluminium 7075 fasteners are high-strength aluminum alloy bolts, screws, nuts, studs and other threaded components made from 7075 aluminum, commonly supplied in the T6 temper for demanding applications. These 7000 series fasteners offer a high strength-to-weight ratio, good fatigue performance and low density compared with many steel fasteners. They are identified by UNS A97075, EN AW-7075 and DIN 3.4365, with applications across aerospace, aircraft, motorsport, marine equipment and lightweight structural assemblies.
What Are Aluminium 7075 Fasteners?
Aluminum 7075 Fasteners are precision-engineered mechanical fastening components manufactured from Alloy 7075, a zinc-based 7000 series aluminum alloy containing magnesium and copper. The alloy is known for its high strength and excellent strength-to-weight ratio.
The most commonly specified condition is 7075-T6, which provides significantly higher strength than many conventional aluminum alloys. This makes 7075-T6 aluminum bolts and screws suitable where weight reduction and mechanical strength are both important.
We supply these fasteners in different configurations, sizes, thread forms and finishes according to application and specification requirements. Common products include hex bolts, socket head cap screws, machine screws, nuts, washers, threaded rods, studs and custom fasteners.
Table of Contents
- ➤ Aluminium 7075 Fasteners Specifications
- ➤ Types of Aluminium 7075 Fasteners
- ➤ Chemical Composition of Aluminium 7075
- ➤ Mechanical Properties of 7075-T6 Aluminum Fasteners
- ➤ Why Choose 7075-T6 Aluminum Fasteners?
- ➤ Aluminium 7075 vs Other Aluminum Fastener Grades
- ➤ ASTM F468 7075 Aluminum Fasteners
- ➤ AMS 4045 / AMS 4122 Aluminium 7075 Fasteners
- ➤ Applications of Aluminium 7075 Fasteners
- ➤ Aluminium 7075 Fasteners Available From Us
- ➤ Aluminium 7075 Fasteners Weight Chart
- ➤ Equivalent Grades of Aluminium 7075
- ➤ Why Buy Aluminium 7075 Fasteners From Us?
Aluminium 7075 Fasteners Specifications
| Property | Details |
|---|---|
| Material | Aluminium Alloy 7075 |
| Alloy Series | 7000 Series |
| UNS Number | UNS A97075 |
| EN Designation | EN AW-7075 |
| DIN Number | DIN 3.4365 |
| DIN Material Name | AlZn5.5MgCu |
| Common Temper | 7075-T6 |
| Product Standard | ASTM F468 |
| Related AMS Standards | AMS 4045 / AMS 4122 |
| Product Forms | Bolts, screws, nuts, studs, washers, threaded fasteners |
| Density | Approximately 2.81 g/cm³ |
| Main Alloying Element | Zinc |
| Other Major Elements | Magnesium, copper |
| Strength Characteristic | High strength-to-weight ratio |
| Applications | Aerospace, aircraft, motorsport, marine and engineering |
Types of Aluminium 7075 Fasteners
Different component designs allow 7075 fasteners to be selected according to the joint configuration and installation method.
➤ 7075-T6 Aluminum Bolts
7075-T6 aluminum bolts are used where high mechanical strength and low component weight are important. Hex head bolts, flange bolts, socket head bolts and custom configurations can be manufactured or supplied according to requirements.
➤ 7075 Aluminum Screws
7075 aluminum screws are available in configurations such as socket head cap screws, countersunk screws, pan head screws and machine screws. They are commonly selected for lightweight assemblies.
➤ 7075 Aluminum Nuts
7075 aluminum nuts provide a compatible lightweight fastening solution for aluminum bolt assemblies. Hex nuts, lock nuts and other configurations can be supplied according to application requirements.
➤ 7075 Aluminum Studs and Threaded Rods
Studs and threaded rods are useful for assemblies where a permanently threaded component or extended fastening length is required.
➤ 7075 Aluminum Washers
Washers help distribute the applied clamping load and protect the joint surface. They can be supplied in matching aluminum alloy grades and required dimensions.
Chemical Composition of Aluminium 7075
| Element | Typical Composition, % |
|---|---|
| Aluminium | Remainder |
| Zinc | 5.1–6.1 |
| Magnesium | 2.1–2.9 |
| Copper | 1.2–2.0 |
| Chromium | 0.18–0.28 |
| Silicon | 0.40 max |
| Iron | 0.50 max |
| Manganese | 0.30 max |
| Titanium | 0.20 max |
| Other Elements | Balance within specification |
Mechanical Properties of 7075-T6 Aluminum Fasteners
| Mechanical Property | Typical Value |
|---|---|
| Tensile Strength | Approximately 570 MPa |
| Yield Strength | Approximately 500 MPa |
| Elastic Modulus | Approximately 71.7 GPa |
| Elongation | Approximately 5–11% |
| Shear Strength | High for an aluminum alloy |
| Density | Approximately 2.81 g/cm³ |
| Melting Range | Approximately 477–635°C |
Aluminium 7075 vs Other Aluminum Fastener Grades
| Grade | Strength Level | Key Characteristic | Typical Applications |
|---|---|---|---|
| 2024 | High | Good fatigue performance | Aerospace |
| 6061 | Medium | Versatile and corrosion resistant | Engineering, structural assemblies |
| 6063 | Medium/Lower | Good formability and finish | Architectural applications |
| 7075 | Very High | High strength-to-weight ratio | Aerospace, motorsport, high-performance equipment |
7075 is generally selected when strength is a higher priority than the corrosion resistance and formability associated with some other aluminum grades.
Aluminium 7075 Fasteners Weight Chart
| Fastener Size | Approximate Weight* |
|---|---|
| M6 × 20 mm Bolt | 2–4 g |
| M8 × 25 mm Bolt | 6–10 g |
| M10 × 30 mm Bolt | 13–20 g |
| M12 × 40 mm Bolt | 25–35 g |
| M16 × 50 mm Bolt | 55–75 g |
| M20 × 60 mm Bolt | 100–130 g |
Equivalent Grades of Aluminium 7075
| Standard | Equivalent / Designation |
|---|---|
| UNS | A97075 |
| EN | EN AW-7075 |
| DIN | 3.4365 |
| DIN Alloy Name | AlZn5.5MgCu |
| ASTM | 7075 under applicable ASTM product specifications |
| AA | 7075 |
| Temper | T6 commonly specified |
| Aerospace AMS | AMS 4045 / AMS 4122, where applicable |
Why Choose 7075-T6 Aluminum Fasteners?
- High Strength-to-Weight Ratio: One of the main reasons for selecting Alloy 7075 is its ability to provide high mechanical strength without the weight associated with many steel fastening materials.
- High Tensile and Shear Strength: High shear strength 7075 bolts are suitable for applications where fastening components experience substantial mechanical loading.
- Lightweight Construction: The relatively low density of aluminum helps reduce the overall weight of equipment, assemblies and structures.
- Good Fatigue Performance: 7075 can provide useful fatigue performance when properly selected and used within appropriate design limits.
- Suitable for Precision Engineering: 7075 aluminum can be machined into a wide range of precision fastener geometries, allowing it to be used for specialized engineering assemblies.
- Non-Magnetic Material: Aluminum 7075 is non-ferromagnetic, which can be advantageous in applications where magnetic response needs to be minimized.
ASTM F468 7075 Aluminum Fasteners
ASTM F468 7075 aluminum fasteners are nonferrous fasteners covered under the ASTM F468 specification for nonferrous bolts, screws, studs and similar fastening products.
When ordering ASTM F468 fasteners, the material grade, temper, dimensions, thread specification and required mechanical properties should be clearly defined. For critical applications, documentation such as material test certificates and inspection records can also be requested.
Our supply range can be tailored to project requirements, including standard and customized dimensions.
AMS 4045 / AMS 4122 Aluminium 7075 Fasteners
AMS 4045 and AMS 4122 are aerospace-related material specifications associated with aluminum alloy products. When an aerospace project specifies these standards, the exact product form and applicable revision should be confirmed before procurement.
This is particularly important because aerospace applications often require strict traceability, certification and inspection documentation.
Applications of Aluminium 7075 Fasteners
Aluminium 7075 Fasteners Available From Us
We supply Aluminium Alloy 7075 bolts, screws, nuts, studs and other fasteners in different sizes and configurations for industrial and engineering requirements.
Available options can include:
- Hex head bolts
- Hex cap screws
- Socket head cap screws
- Countersunk screws
- Machine screws
- Threaded studs
- Threaded rods
- Hex nuts
- Washers
- Custom-machined fasteners
- Special-size fasteners
Products can be supplied according to applicable dimensional, material and customer specifications.
Why Buy Aluminium 7075 Fasteners From Us?
We understand that industrial fasteners are selected according to more than just alloy grade. Dimensions, thread type, temper, mechanical requirements, documentation and application conditions can all affect the final selection.
Our approach focuses on supplying the required UNS A97075 fasteners according to project specifications. We can assist with standard and special dimensions and provide documentation according to the order requirements.
For international buyers, we also support requirements for the Alloy 7075 high strength fasteners exporter market, including customers sourcing from India for overseas projects.
If you are looking for an Aluminium Alloy 7075 bolts supplier in India, share your required size, quantity, temper, standard and delivery destination with us. We can review the requirement and recommend the appropriate fastener configuration.
Get a Quote for Aluminium 7075 Fasteners
Looking for UNS A97075 ASTM F468 fasteners stockist, 7075-T6 aircraft bolts, or high-strength aluminum fasteners for an industrial project?
Send us your size, quantity, standard, temper and application requirements. Our team can review the specification and provide a suitable quotation for Aluminium 7075 fasteners.
Frequently Asked Questions About Aluminium 7075 Fasteners
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