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Brian Fasteners, located in Houston, USA, has earned a solid reputation as a reliable manufacturer and supplier of top-notch High Tensile Grade 5.8 Bolts. With a keen emphasis on precision engineering and durability, this company provides fasteners that adhere to global standards across a variety of industrial sectors. Their Grade 5.8 bolts are crafted for strength and reliability, making them perfect for demanding applications. With years of experience under their belt and a dedication to excellence, Brian Fasteners offers tailored solutions to meet the unique needs of clients in construction, automotive, machinery, and infrastructure projects throughout the United States and beyond.
High Tensile Grade 5.8 Bolts are crafted from medium carbon steel, often subjected to heat treatment to enhance their mechanical performance. The typical makeup includes elements like carbon (0.25–0.55%), manganese (0.60–1.65%), along with trace amounts of phosphorus and sulfur. These bolts boast a tensile strength of about 580 MPa and a yield strength of around 340 MPa. Their mechanical properties strike a balance between moderate strength and good ductility, making them ideal for general-purpose applications that require reliable fasteners without breaking the bank.
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.
High Tensile Grade 5.8 Bolts find their place in industries where moderate strength and dependable fastening are essential. You’ll commonly see them in structural steel connections, automotive assemblies, light machinery, agricultural equipment, and various infrastructure projects. These bolts are favored in settings where the load is steady and not excessively extreme, providing an economical yet robust solution. In construction, they play a crucial role in securing beams and frameworks, while in manufacturing, they keep various machine components firmly in place. Their versatility and mechanical reliability make them a top choice for engineers and project managers across different sectors.
Our Grade 5.8 bolts are carefully packed to prevent wear and tear during transport. They are packed in standard export packaging, sturdy wooden boxes or boxes that meet international standards. Each bolt is clearly marked with the trademark (company LOGO), grade, size and lot number. We offer EN 10204-3.1, EN 10204-3.2, raw material certificates, NABL-approved laboratory test reports, and professional test certificates for 100%. Radiography test reports and third-party inspection reports are used to ensure quality control and compliance.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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