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MUKAU FASTENERS, a well-respected manufacturer and supplier located in Kinshasa, Congo, specializes in top-notch High Tensile Grade 10.9 Bolts that are perfect for tough industrial and structural tasks. These bolts are celebrated for their exceptional strength, hardness, and durability, making them a go-to choice for high-stress settings. Crafted with cutting-edge techniques and rigorous quality checks, MUKAU FASTENERS guarantees that every bolt adheres to international standards for precision and reliability. High Tensile Grade 10.9 Bolts deliver impressive mechanical performance, fatigue resistance, and corrosion protection, making them suitable for automotive, construction, machinery, and heavy engineering projects where outstanding tensile strength is essential.
High Tensile Grade 10.9 Bolts are generally made from medium carbon alloy steel, enriched with elements like chromium, molybdenum, and manganese. These bolts undergo a quenching and tempering process to achieve a minimum tensile strength of 1040 MPa and a yield strength of around 940 MPa. They exhibit high hardness, remarkable fatigue resistance, and solid wear performance. The heat-treated structure guarantees dimensional stability and excellent load-bearing capacity, making Grade 10.9 Bolts perfect for applications that require enhanced mechanical integrity and long-lasting reliability in extreme conditions.
| Carbon Steel 10.9 | C | P | S | B |
|---|---|---|---|---|
| 0.20-0.55 | 0.025 | 0.025 | 0.003 |
| Grades | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
| Class 10.9 | 5–100 | 830 | 940 | 1040 | C33–39 |
| Grades | Grade 10.9 Bolt |
|---|---|
| Standard | ASTM A324, ASME SA324 |
| Size | Dia M 20 to 100 mm Inch 3/4″ to 3.1/2″ |
| 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 10.9 Bolts find extensive use in automotive assemblies, construction projects, heavy machinery, and industrial equipment where strength and precision are paramount. They are particularly suited for engine components, suspension systems, bridges, and structural frameworks that endure significant dynamic and static loads. In the manufacturing and engineering sectors, these bolts ensure secure fastening in pressure vessels, cranes, turbines, and gear systems. Their high yield strength and resistance to wear and vibration make them a top choice for high-performance applications.
Our Grade 10.9 bolts are carefully installed to avoid travel damage. They are stored safely in sturdy wooden boxes or crates that meet strict international standards. Each bolt is marked with our company logo, grade, size and lot number. We offer complete documentation, including EN 10204-3.1 and EN 10204-3.2 certificates, material certificates, NABL-approved laboratory test reports, and professional test certificates. In addition, we ensure strict quality control through 100% radiographic and third-party inspection reports and guarantee that strict safety and performance standards will be met for every Grade 10.9 bolt shipped.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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