Bhavesh Steel is a prominent Dubai based manufacturer and supplier of high-grade Alloy Steel Grade 12.9 Fasteners. Renowned for their exceptional strength and durability, these fasteners are designed to withstand the demanding test of industrial usages. Bhavesh Steel maintains high-level quality production by sourcing sophisticated manufacturing technologies and rigorous quality checks, serving clients from construction, automotive, and heavy machinery industries. With dedication to quality and timely delivery, Bhavesh Steel is a reliable partner for high-performance fastening in the UAE and worldwide.
Alloy Steel Grade 12.9 Fasteners consist mainly of high-strength alloying elements such as chromium, molybdenum, and carbon, which increase hardness and tensile strength. The fasteners have a tensile strength of nearly 1,200 MPa and a yield strength of nearly 1,080 MPa. Their mechanical properties are superior toughness, wear resistance, and high fatigue strength, which makes them suitable for severe structural applications. Quenching and tempering heat treatment processes are employed to obtain these better mechanical properties and make them durable against severe stress and heavy load conditions.
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
| 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 | 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 Grade 12.9 Fasteners find extensive usage in high-strength and reliability-based industries like automotive production, aerospace, heavy machinery, and construction. They are critical in the assembly of safety-critical and performance-critical components such as engine components, gearboxes, suspension systems, and structural frames. These fasteners are resistant to high loads, vibrations, and harsh environmental factors and therefore are suited for both static and dynamic loading conditions. Their precision and robustness play a key role in the durability and safety of mechanical assemblies operating in harsh operational conditions.
Bhavesh 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 Dubai, UAE.
Copyright 2025 Bhavesh Steel. All rights reserved
