6061 Aluminum Hex Bar T6 T6511 | Extruded & Cold Drawn Hexagonal Bar Supplier
6061 aluminum hex bar (T6 / T6511) is a versatile aluminum alloy profile widely used in CNC machining, structural components, and fastener manufacturing. Its hexagonal shape provides excellent grip and torque transmission, making it ideal for producing bolts, nuts, shafts, and precision mechanical parts. With a good balance of strength, corrosion resistance, and machinability, 6061 hex bar is one of the most commonly used aluminum materials across various industries.
Metric 6061 Aluminum Hex Bar Stock Size
We supply a wide range of metric 6061 aluminum hex bar sizes to meet different industrial and machining requirements.
Across flats: 6 mm – 150 mm
Standard length: 3000 mm / 6000 mm
Tolerance: precision tolerance available upon request
Custom sizes, tight tolerances, and cut-to-length services can be provided according to customer specifications.
| AF (mm) | AF (in) | Cold Drawn Tolerance | Extruded Tolerance | Weight (kg/m) | Weight (lb/ft) |
|---|---|---|---|---|---|
| 6 | 1/4" | ±0.05 | ±0.15 | 0.085 | 0.058 |
| 8 | 5/16" | ±0.05 | ±0.15 | 0.151 | 0.09 |
| 10 | 3/8" | ±0.05 | ±0.20 | 0.236 | 0.13 |
| 12 | 1/2" | ±0.05 | ±0.20 | 0.339 | 0.232 |
| 13 | – | ±0.05 | ±0.20 | 0.397 | – |
| 14 | – | ±0.05 | ±0.20 | 0.463 | – |
| 16 | – | ±0.05 | ±0.25 | 0.602 | – |
| 17 | – | ±0.05 | ±0.25 | 0.676 | – |
| 19 | – | ±0.05 | ±0.25 | 0.841 | – |
| 20 | 3/4" | ±0.05 | ±0.25 | 0.944 | 0.522 |
| 22 | – | ±0.05 | ±0.30 | 1.146 | – |
| 24 | – | ±0.05 | ±0.30 | 1.362 | – |
| 25 | 1" | ±0.05 | ±0.30 | 1.472 | 0.931 |
| 27 | – | ±0.05 | ±0.30 | 1.72 | – |
| 30 | – | ±0.05 | ±0.35 | 2.123 | – |
| 32 | – | ±0.05 | ±0.35 | 2.407 | – |
| 34 | – | ±0.05 | ±0.35 | 2.718 | – |
| 36 | – | ±0.05 | ±0.40 | 3.055 | – |
| 38 | – | ±0.05 | ±0.40 | 3.417 | – |
| 40 | 1-1/2" | ±0.05 | ±0.40 | 3.796 | 2.1 |
| 45 | – | ±0.10 | ±0.40 | 4.796 | – |
| 50 | 2" | ±0.10 | ±0.45 | 5.921 | 3.72 |
| 55 | – | ±0.10 | ±0.45 | 7.171 | – |
| 60 | 2-1/2" | ±0.10 | ±0.50 | 8.547 | 5.82 |
| 65 | – | ±0.10 | ±0.50 | 10.047 | – |
| 70 | – | ±0.10 | ±0.50 | 11.672 | – |
| 75 | – | ±0.10 | ±0.50 | 13.423 | – |
| 80 | 3" | ±0.10 | ±0.50 | 15.299 | 8.38 |
| 90 | 3-1/2" | ±0.15 | ±0.50 | 19.41 | – |
| 100 | 4" | ±0.15 | ±0.50 | 23.69 | 14.91 |
| 120 | 5" | ±0.20 | ±0.60 | 34.12 | 23.32 |
| 150 | 6" | ±0.20 | ±0.70 | 53.21 | 33.52 |
Manufacturing Processes of 6061 Aluminum Hexgon Bar
6061 aluminum hex bars are produced through several advanced manufacturing processes to ensure consistent quality and performance:
Extrusion: the most common process, ensuring uniform shape and stable mechanical properties
Cold drawing: improves dimensional accuracy and surface finish for precision applications
Heat treatment: T6 and T6511 tempers enhance strength and dimensional stability
Precision cutting: custom cutting and machining services available
Chemical & Mechanical Properties of 6061 Aluminum Hexagonal Bar
6061 aluminum alloy offers a balanced combination of strength, corrosion resistance, and workability, making it suitable for a wide range of industrial applications.
Tensile strength: ~290 MPa
Yield strength: ~240 MPa
Density: 2.70 g/cm³
Excellent corrosion resistance
Good weldability and anodizing performance
Applications of 6061 Aluminum Hex Bar
6061 aluminum hex bar is widely used as a raw material for machining various hexagonal and precision components, including:
Aluminum hex bolts and fasteners
Aluminum hex nuts
Hex shafts and drive components
CNC machined precision parts
Structural and support components
Weight Calculation of Aluminum Hex Bar
The weight of a 6061 aluminum hex bar can be calculated using the following formula:
Weight (kg/m) = 0.000866 × (Across Flats in mm)²
Where “across flats” refers to the distance between two parallel sides of the hexagon. This formula helps estimate material weight for engineering calculations and material planning. And more easier way pls use the calculator
6061 aluminum hex bar is a reliable and versatile material for a wide range of machining and structural applications, offering an excellent balance of strength, corrosion resistance, and workability.
In addition to 6061, we also supply aluminum hex bars in other alloys such as 2011, 2024, 5052, 6082, and 7075 to meet different performance requirements.
We provide flexible supply options, including custom sizes, tight tolerances, and professional cut-to-size services to match your exact project needs.
👉 Contact us today to get a fast quote or discuss your specific aluminum hex bar requirements.
