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Aria Fasteners, located in Hamilton, New Zealand, has built a solid reputation as a reliable manufacturer and supplier of top-notch industrial fastening solutions. Their High Tensile Grade 5.8 Bolts are crafted to deliver exceptional strength, durability, and consistent performance across a variety of applications. With a focus on precision and rigorous quality control, these bolts guarantee secure and long-lasting connections in critical assemblies. Aria Fasteners caters to sectors like construction, automotive, machinery, and infrastructure projects, providing components designed to uphold structural integrity even under moderate-to-high load conditions.
Constructed from medium-carbon steel, High Tensile Grade 5.8 Bolts strike a perfect balance between tensile strength and ductility. They boast a minimum tensile strength of 500 MPa and a yield strength of 400 MPa, making them ideal for applications that demand moderate strength and dependable performance. The bolts are precision-threaded to ensure a snug fit with matching nuts and washers, delivering optimal clamping force and stability in both static and moderately dynamic assemblies.
Strength class | Material and heat treatment | Chemical composition (analysis on the product) % | Minimum hardening temperature °C | ||||
C | P | S | B | ||||
min | max | max | max | max | |||
5.8 Grade Bolt | Carbon steel | – | 0,55 | 0,050 | 0,060 | Not specified | – |
Head marking | Grade | Material | Proof strength | Yield stress (min.) | Tensile strength (min.) | Core hardness (Rockwell) |
Class 5.8 | Low or medium carbon steel | 380 Mpa | 420 Mpa | 520 Mpa | B82-95 |
| Grade 5.8 Fasteners Grades | DIN 933 Grade 12.9 |
| Grade 5.8 Bolts Standard | ASTM F568, ASME SF568 |
| Grade 5.8 studs Size | Dia 1.6mm to 100 mm Inch 3/4“ to 3.1/2“ |
| Grade 5.8 Fasteners finish | Zinc plated / Plain / Hot dip galvanised |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Grade 5.8 bolts are used extensively in applications requiring high tensile strength and reliability. It is commonly used in structural steelwork, heavy machinery and automotive assemblies where strong fastening solutions are required. These bolts are suitable for connecting critical components in bridges, buildings and industrial equipment, providing a balance of strength and power. Adherence to stringent international standards ensures safe performance requirements are met at site types, making it desirable for engineers and manufacturers seeking reliable packaging solutions. There are options available
These bolts are a go-to choice in industries that need strong yet budget-friendly fastening solutions. They’re perfect for structural steel frameworks, machinery assemblies, automotive parts, light infrastructure projects, and equipment installations. High Tensile Grade 5.8 Bolts also find their place in flanged joints, industrial machinery, and general construction where secure and durable fastening is crucial. Their blend of moderate strength, reliability, and versatility makes them a smart option for a wide array of industrial and construction applications.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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