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Brian Fasteners, located in Houston, USA, has earned a solid reputation as a reliable manufacturer and supplier of top-notch fasteners, with a particular focus on High Tensile Grade 12.9 Bolts. Renowned for their precision engineering and strict adherence to international standards, Brian Fasteners provides durable, high-performance solutions tailored for critical industrial applications. With years of experience and a strong dedication to quality, the company serves a wide range of clients across various sectors, including construction, automotive, energy, and manufacturing. Their vast inventory, quick delivery, and customer-centric approach make them a dependable partner for high-tensile fastening solutions both in the U.S. and beyond.
High Tensile Grade 12.9 Bolts are primarily crafted from medium carbon alloy steel, which undergoes heat treatment through quenching and tempering to boost strength and durability. The typical composition features carbon (0.30–0.50%), manganese (0.60–1.20%), and chromium (up to 1.0%), among other elements. These bolts boast a tensile strength of around 1220 MPa and a yield strength of approximately 1100 MPa, along with impressive fatigue resistance. They deliver exceptional mechanical performance, precise dimensions, and corrosion resistance, making them perfect for applications that require strength, reliability, and longevity in extreme conditions.
| Grade 12.9 | C | P | S | B |
|---|---|---|---|---|
| 0.28-0.5 | 0.025 | 0.025 | 0.003 |
| Nominal thread diameter | Proof strength | Yield strength | Tensile strength | Hardness |
|---|---|---|---|---|
| 1.6 To 100 | 970 | 1100 | 1220 | C39 To 44 |
| Grade 12.9 Bolts Grades | DIN 933 Grade 12.9 |
| Grade 12.9 Studs Standard | ASTM F568, ASME SF568 |
| Grade 12.9 Threaded Rod Size | Dia 1.6mm to 100 mm Inch 3/4“ to 3.1/2“ |
| Grade 12.9 Set Screws 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 12.9 Bolts are commonly used in high-stress and load-bearing environments due to their outstanding strength and reliability. In the automotive sector, you’ll often find them in engine assemblies, suspension systems, and structural components. In construction and infrastructure projects, they play a crucial role in fastening steel frameworks, bridges, and heavy machinery. The aerospace and defense industries also rely on these bolts for their high fatigue resistance and excellent strength-to-weight ratio. Additionally, they find applications in oil and gas, mining, and manufacturing sectors, where durability and performance under extreme pressure and temperature are vital.
Our respected customers worldwide rely on us for exceptional and reliable Grade 12.9 bolts. These bolts are made of high-strength alloy steel, providing durability and strong performance in harsh environments. Grade 12.9 bolts are available in various sizes and adjustable to specific requirements, conforming to stringent international standards. Committed to providing high-quality products, we meet the diverse needs of our valued customers in various industries worldwide and ensure secure and durable communications in critical applications.
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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