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Grade 10.9 bolts from Hazlewood fasteners are known for their extreme durability. Our bolts are made from 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, they offer exceptional characteristics and performance in various applications. Engineered for maximum reliability, these bolts excel in heavy construction machinery and industrial applications, making them indispensable in complex environments and critical applications where strength and accuracy are important
High Tensile Grade 10.9 Bolts are crafted from medium carbon alloy steel, which typically contains around 0.40% carbon, 0.70–0.90% manganese, along with trace amounts of silicon, sulfur, and phosphorus. To achieve their impressive strength and hardness, these bolts go through a process of quenching and tempering. They boast a minimum tensile strength of 1040 MPa and a yield strength of roughly 940 MPa, making them highly resistant to shear, fatigue, and impact. The careful balance of chemical composition and controlled heat treatment ensures exceptional mechanical stability, toughness, and reliable performance even in high-pressure and high-vibration 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 from Hazlewood Fasteners are a go-to choice for high-stress applications that require outstanding mechanical strength and reliability. You’ll find them in various industries like automotive, construction, heavy machinery, mining, oil & gas, and power generation. These bolts are perfect for putting together structural components, engine parts, pressure vessels, and any load-bearing equipment where a secure fit is essential. Thanks to their impressive fatigue resistance and durability, they thrive in dynamic and vibrating environments. Hazlewood Fasteners takes pride in ensuring that each bolt is precision-tested and certified, delivering long-lasting performance and safety even in the toughest industrial and engineering settings.
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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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