Chetan Steel, based in Delhi, is a trusted manufacturer and supplier of high-quality industrial steel products. With years of expertise and a strong focus on precision and durability, the company provides components that meet the highest industrial standards. Among their premium offerings are Alloy Steel Gr 10.9 Fasteners, engineered to deliver exceptional strength and reliability even in the most demanding environments. Each fastener is manufactured under strict quality control to ensure safety, longevity, and consistent performance. Chetan Steel’s commitment to technical excellence and customer satisfaction makes it a preferred choice for businesses across India seeking robust, dependable fastening solutions.
Alloy Steel Gr 10.9 Fasteners are made from high-quality alloy steel, enriched with carbon, chromium, and other strengthening elements, providing exceptional tensile strength, hardness, and wear resistance. These fasteners exhibit superior mechanical properties, including high yield strength, toughness, and the ability to withstand extreme loads and temperature variations. Heat-treated and precisely engineered, they maintain dimensional stability and structural integrity in heavy-duty applications. Their optimized metallurgical composition ensures reliable, long-lasting performance, making them ideal for critical industrial applications that demand secure, high-strength fastening solutions.
Standard :Â DIN EN ISO 4014 & 4017 DIN 931 / 933 & IS 1364 / IS 1363
Size :Â Dia M 20 to 100 mm / Inch 3/4″to 3.1/2″
Finish :Â Plain / Zinc plated / Hot dip galvanised
Types :Â 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
| Alloy Steel 10.9 | C | Mn | Si | P | S | Mo | Cr |
| 0.08-0.15 | 1.00 max | 1.00 max | 0.040 | 0.030 | 0.15-0.25 | 11.50-13.50 |
| Grades | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
| Class 10.9 | 5–100 | 830 | 940 | 1040 | C33–39 |
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 | Â | BS 1769 | DIN 7984 |
UNI 5731 | Â | BS 1083 | ANSI B18.3 |
UNI 5739 | Â | BS 3692 | ISO 4762 |
ISO 4014 | Â | ISO 4032 | UNI 5931 |
ISO 4017 | Â | ISO 4033 | BS 2470 |
BS 1769 | Â | ANSI B18.2.2 | BS 4168 |
BS 3692 | Â | Â | Â |
ANSI B18.2.1 | Â | Â | Â |
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 | Â |
DIN 553 | BS 2470 | Â | Spring Washers |
DIN 438 | Â | Â | DIN 127 |
BS 4168 | Â | Â | BS 4464 |
 |  |  | BS 1802 |
Alloy Steel Gr 10.9 Fasteners are widely used in industries that require high strength, reliability, and safety. They are commonly applied in automotive assembly, heavy machinery, construction, industrial piping systems, and structural frameworks. Designed to endure extreme loads, high temperatures, and challenging environments, these fasteners ensure secure, leak-proof, and durable connections. Trusted by engineers and technicians for both new installations and maintenance projects, Alloy Steel Gr 10.9 Fasteners provide consistent performance and long service life. Their robust design and superior mechanical properties make them an ideal choice for critical industrial operations requiring dependable fastening solutions.
Chetan 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 Delhi, India.
Copyright 2025 Chetan Steel. All rights reserved
