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Sheetal Fasteners are Grade 5.8 bolts known for their durability and durability. Our bolts are made of premium materials and conform to ASTM, ASME, ISO, DIN, BS, EN, SAE, and Indian standards. Available in ASME, DIN, ISO, BS, UNI, CSN, PN, EU, and IFI specifications, it is designed to ensure quality and efficiency in every application, delivering excellent performance and reliability for various applications in many cases.
Grade 5.8 bolts are typically made of medium carbon steel with a carbon content of 0.25% and 0.55%, combined with manganese, phosphorus and sulfur. These bolts offer high balanced strength, low tensile strength of 520 MPa, and excellent ductility. Their properties make them suitable for applications requiring moderate strength and reliability, such as construction, mechanical and automotive industries. Adherence to international standards ensures the quality and consistency of the screws, providing robust solutions for construction and assembly requirements.
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
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.
Sheetal Fasteners is a leading manufacturer and supplier of high-quality fasteners in Dubai, UAE, with over 8 years of experience serving global industries.
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