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Mira Fasteners, located in Kuala Lumpur, Malaysia, has built a solid reputation as a reliable manufacturer and supplier of High Tensile Grade 9.8 Bolts. These bolts are designed for durability and dependable performance, especially in medium-to-heavy load applications. Crafted from top-notch alloy steel and precisely heat-treated, they deliver outstanding strength, wear resistance, and secure fastening. Complying with rigorous international standards, they are perfect for industries that need trustworthy connections under moderate to high stress, ensuring a long service life and operational safety in various mechanical and structural setups.
High Tensile Grade 9.8 Bolts are made from high-quality medium-carbon steel, enhanced with elements like chromium and molybdenum to boost their mechanical performance. They boast a tensile strength of about 900 MPa and a yield strength of around 720 MPa, striking a great balance between toughness and hardness.
| Strength class | Material and heat treatment | Chemical composition (analysis on the product) % | Minimum hardening temperature °C | ||||
|---|---|---|---|---|---|---|---|
| C | P | S | B | ||||
| min | max | max | max | max | |||
| Grade 9.8 | Carbon or alloy steel (B, Mn, Cr), quenched and tempered | 0,15 | 0,40 | 0,025 | 0,025 | 0.003 | 425 |
| Markings & Mechanical Prperties | ||||||
|---|---|---|---|---|---|---|
| Grades | Markings | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
| Class 9.8 | ![]() | 1.6–16 | 650 | 720 | 900 | C27–36 |
| 9.8 Grade Fasteners Sizes | M2-M100 (Cold/ Hot forged) |
| Grade 9.8 Bolt Length | 3 mm to 200 mm |
| Class 9.8 Bolts Size Metric |
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| Grade 9.8 Hex Bolts Size Inch |
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| Standard | Manufacturer of Grade 9.8 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 9.8 Steel Bolts & Screws US Threads | Unified national fine (UNF), UNJC, UNJF, Unified National Coarse (UNC), Constant-pitch threads, METRIC, BSF, UNR, BSW, Unified national extra fine (UNEF), UNK |
| Grade 9.8 Bolts Head drive | Phillips/Slot, Phillips, Slotted, Six-Lobe, etc |
| Material Origin | Grade 9.8 Bolt are Western European. Eastern origin possible on request. |
| Grade 9.8 Nut Bolt Surface Finish & Coating |
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| BS 3692 grade 9.8 Fasteners types | Hex Domed Cap Nuts, Stud Bolts, Foundation Bolts, Hex Coupling Nut, Pan Head Screw, T-Head Bolts, Eye Bolt, Socket Screw, Bolts, Machine Screw, J Bolts, Washers, Socket Head Cap Screw, Anchors, Marine Anchors, Structural Bolts, Square Nut, Hex Set Screw, Allen Cap screw, Nut, Socket Hexagon Head Screw, U Bolts, Studs, Anchor Bolt, Screw, Spring Washers, Hex Head Bolts, Sockets, Nuts, Wing Screw, Cap Screw, Studs, Hex Nut, Hexagon Nut, Mushroom Head Square Neck Bolts, Wing Screw, Screws |
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.
Grade 9.8 bolts are widely used in high stresses due to their exceptional strength and durability. They are essential in the construction industry, protecting parts of buildings and maintaining their stability. On heavy machinery, these screws withstand high loads and vibration, making them ideal for assembly and maintenance. Industrial applications benefit from reliability in high-pressure environments, including the automotive, aerospace, and aerospace industries. Grade 9.8 bolts are also used in infrastructure projects such as bridges and tunnels, where safety and efficiency are critical to ensure the durability and safety of connections.
These bolts find their place in a variety of applications, including automotive assemblies, construction structures, industrial machinery, railways, and equipment manufacturing. Their unique blend of strength, durability, and cost-effectiveness makes them a preferred choice for situations where reliable performance and secure fastening are crucial.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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