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Lina Fasteners stands out as a top manufacturer and supplier of High Tensile Hex Bolts, proudly based in Tunis, Tunisia. We provide strong fastening solutions tailored for tough industrial and structural needs. With our state-of-the-art manufacturing facilities, cutting-edge testing equipment, and rigorous quality control, we ensure our hex bolts meet international standards like ASTM, ISO, and DIN. Our products cater to various sectors, including construction, infrastructure, oil and gas, heavy engineering, and power generation. Renowned for their precision, load-bearing strength, and prompt delivery, our standard and custom High Tensile Hex Bolts are designed for safety and long-lasting performance in critical applications around the globe.
High Tensile Hex Bolts are generally crafted from medium to high carbon alloy steels, often undergoing heat treatment through quenching and tempering to achieve exceptional strength. Key alloying elements like carbon, manganese, chromium, molybdenum, and boron boost their hardness and toughness. Mechanically, these bolts deliver impressive tensile and yield strength, outstanding shear resistance, and solid fatigue performance. They maintain their structural integrity even under heavy loads, vibrations, and dynamic stress, ensuring a reliable clamping force and resistance to deformation in challenging service conditions.
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Grades |
Grade 10.9, Grade 8.8, DIN 933 Grade 12.9 |
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Standard |
IS 1364 / IS 1363 & DIN EN ISO 4014 & 4017 DIN 931 / 933 |
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Size |
Dia M 20 to 100 mm Inch 3/4“ to 3.1/2“ |
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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 Hex Bolts find their place in a variety of applications that demand high strength and secure fastening. You’ll commonly see them in steel structures, bridges, towers, and major construction projects. They play a crucial role in oil and gas equipment, pressure vessels, pipelines, and power plants. Industries like automotive, mining, and heavy machinery depend on these bolts for load-bearing joints that face vibrations and shocks. Their durability and strength also make them ideal for wind energy installations, where reliability is key.
Our High Tensile Hex Bolts are carefully packaged to ensure they arrive undamaged. We use standard export packaging in wooden boxes or cases for international shipments that meet global packaging standards. Each bolt is marked with our trademark, grade, size and lot number. We provide custom icon options upon request. Our products contain manufacturer test certificates EN 10204-3.1, EN 10204-3.2 standards, raw material certificates, NABL-approved laboratory test reports, 100% radiography test reports, and third-party inspection reports.
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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