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Lina Fasteners is a trusted manufacturer and supplier located in Tunis, Tunisia, specializing in High Tensile Grade 4.8 Bolts that are perfect for a variety of fastening needs. These bolts are crafted to meet international standards, ensuring they deliver consistent quality, solid strength, and good ductility for everyday engineering tasks. Using high-quality carbon steel and precise forming techniques, Lina Fasteners conducts thorough quality checks to guarantee dimensional accuracy and reliable performance. Their products are widely used in construction, fabrication, light machinery, and infrastructure projects, with a strong commitment to providing cost-effective fastening solutions, timely deliveries, and customer-focused service.
High Tensile Grade 4.8 Bolts are generally made from low to medium carbon steel and aren’t heavily heat treated, which gives them moderate strength along with good formability. They boast a minimum tensile strength of about 400 MPa, with a yield strength that’s roughly 80% of that tensile value. These bolts are known for their good ductility, ease of installation, and resistance to brittle failure. Grade 4.8 bolts are reliable under light to moderate loads in standard service conditions.
| Chemical Properties | ||||
|---|---|---|---|---|
| C | Si | Mn | P | S |
| 0.14 | 0.11 | 0.38 | 0.014 | 0.026 |
| Class 4.8 Fasteners Sizes |
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| High Tensile 4.8 Grade Bolts Size Metric |
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| Grade 4.8 Hex Bolts Size Inch |
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| Preferred Class 4.8 Nut Bolt Drawing Formats | JPEG, PDF, CAD, STP, IGS |
| Standard | Manufacturer of Grade 4.8 Bolt as per IS, ANSI, ASTM, DIN, ISO, JIS, GB, ASME, BS, UNI, CSN, EU, IFI, PN, and all International Standards
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| Grade 4.8 Bolt Length | 3 mm to 200 mm |
| Grade 4.8 Steel Bolts & Screws US Threads | Unified National Coarse (UNC), BSF, UNJF, UNR, METRIC, UNK, UNJC, BSW, Unified national extra fine (UNEF), Unified national fine (UNF), Constant-pitch threads |
| Grade 4.8 Bolts Head drive | Phillips/Slot, Phillips, Slotted, and Six-Lobe 4.8 screw, etc |
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 4.8 Bolts find their place in applications that need moderate strength and cost-effective fastening solutions. You’ll often see them in structural assemblies, light machinery, furniture manufacturing, automotive interiors, and general fabrication work. They’re commonly used in construction projects, workshops, maintenance tasks, and equipment assembly where heavy loads aren’t a concern. Grade 4.8 bolts offer secure fastening, easy handling, and great cost efficiency, making them ideal for non-critical joints and everyday engineering applications.
Our grade 4.8 bolts are carefully loaded to prevent damage during shipping. Standard export packaging comprises wooden boxes or boxes that meet international export packaging standards. For quality control and compliance, we are professional for EN 10204-3.1, EN 10204-3.2, raw material certificates, NABL-approved laboratory test reports, 100% radiography test reports, and third-party inspection reports -We issue test certificates.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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