Chetak Steel, located in Hyderabad, stands out as a top manufacturer and supplier of high-quality Alloy Steel Gr 12.9 Fasteners, celebrated for their remarkable strength and durability. These fasteners are meticulously designed to meet rigorous industrial standards, ensuring dependable performance even in the toughest environments. Thanks to cutting-edge manufacturing techniques, precise machining, and stringent quality checks, Chetak Steel guarantees that every fastener delivers consistent results. Trusted across various sectors, their Alloy Steel Gr 12.9 Fasteners are perfect for applications that demand high tensile strength and resistance to wear, corrosion, and fatigue. Chetak Steel’s dedication to excellence makes them a go-to choice for industries all over the country.
Alloy Steel Gr 12.9 Fasteners are mainly made up of carbon, manganese, chromium, molybdenum, and vanadium, creating a well-rounded mix of hardness, toughness, and wear resistance. These fasteners undergo heat treatment to achieve an impressive tensile strength of about 1,200 MPa and a yield strength of around 1,080 MPa. They boast excellent fatigue resistance, dimensional stability, and protection against corrosion and oxidation. With mechanical properties that include hardness levels between 38 to 42 HRC, they maintain their performance under high stress, temperature changes, and heavy loads, making them incredibly reliable for critical applications.
Standard : DIN EN ISO 4014 & 4017 DIN 931 / 933 & IS 1364 / IS 1363
Size : Dia M 20 to 100 mm / Inch 3/4″to 3.1/2″
Finish : Plain / Zinc plated / Hot dip galvanised
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Socket Head Cap Screw, Washers, Spring Washers, Studs, Anchors
| Grades | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
| Class 12.9 | Under M16 | 580 | 640 | 800 | |
| 17-72 | 600 | 660 | 830 | C23–34 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hexagon Bolts / Set Screws | Stud Bolts | Hexagon Nuts | Socket Capscrews |
|---|---|---|---|
DIN 931 | BS4882 | DIN 934 | DIN 912 |
DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
BS 1768 | BS 1769 | DIN 7984 | |
UNI 5731 | BS 1083 | ANSI B18.3 | |
UNI 5739 | BS 3692 | ISO 4762 | |
ISO 4014 | ISO 4032 | UNI 5931 | |
ISO 4017 | ISO 4033 | BS 2470 | |
BS 1769 | ANSI B18.2.2 | BS 4168 | |
BS 3692 | |||
ANSI B18.2.1 | |||
Socket & Slotted Set Screws | Socket & Slotted Countersunk Screws | Studs | Washers |
DIN 913 | DIN 963 | DIN 938 | DIN 125 |
DIN 914 | DIN 7991 | DIN 939 | DIN 9021 |
DIN 915 | BS 4168 | DIN 2510 | BS 4320 |
DIN 916 | BS 1981 | BS 4439 | BS 3410 |
DIN 551 | BS 483 | BS 2693 | |
DIN 553 | BS 2470 | Spring Washers | |
DIN 438 | DIN 127 | ||
BS 4168 | BS 4464 | ||
BS 1802 |
You’ll find Alloy Steel Gr 12.9 Fasteners widely used in the automotive, aerospace, heavy machinery, and construction industries, where strong fastening solutions are essential. They’re perfect for connecting structural components, engine assemblies, gear systems, and parts of high-pressure machinery, ensuring safety and durability even under extreme loads. These fasteners are also utilized in power plants, railways, and industrial equipment, where resistance to wear, vibration, and temperature fluctuations is crucial. Chetak Steel’s Alloy Steel Gr 12.9 Fasteners deliver dependable performance for both standard and custom applications, supporting safe and long-lasting operations.
Chetak Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hyderabad, India.
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