Esha Steel stands out as a top-notch manufacturer and supplier of high-quality Alloy Steel Gr 8.8 Fasteners, proudly based in Kolkata. They specialize in providing durable and precision-engineered fastening solutions that cater to a variety of industrial needs. With state-of-the-art manufacturing facilities and a commitment to strict quality control, Esha Steel guarantees that every fastener meets international standards, ensuring exceptional strength, reliability, and long-lasting performance. Their Alloy Steel Gr 8.8 Fasteners are particularly appreciated for their impressive corrosion resistance, mechanical toughness, and high load-bearing capacity. Serving diverse sectors like automotive, construction, oil and gas, and heavy engineering, Esha Steel consistently delivers products that blend precision, durability, and efficiency, earning the trust of customers through timely deliveries and top-quality offerings.
These Alloy Steel Gr 8.8 Fasteners are crafted from premium alloy steel, featuring carefully balanced amounts of chromium, carbon, and manganese to boost mechanical strength, hardness, and corrosion resistance. They showcase remarkable tensile strength, wear resistance, and toughness. On a mechanical level, these fasteners offer dimensional stability, a high load-bearing capacity, and reliable performance even in extreme temperature and pressure conditions. Their robust chemical and mechanical properties ensure they stand the test of time, making Alloy Steel Gr 8.8 Fasteners perfect for critical applications that demand strength, resilience, and dependable performance in challenging industrial settings.
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 8.8 | C | Mn | P | S | Si | Ni | Cr |
| 0.15 max | 1.00 max | 0.040 | 0.030 | 1.00 max | – | 11.50-13.50 |
| Grades | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
| Class 8.8 | Under M16 | 580 | 640 | 800 | Â |
| 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 Gr 8.8 Fasteners find extensive use in industries that require high-strength, corrosion-resistant, and reliable fastening solutions. In the automotive and machinery sectors, they play a crucial role in engine assemblies, suspension systems, and structural joints. In construction and heavy engineering, they are essential for structural frameworks, machinery installations, and high-load connections. Additionally, they are utilized in oil and gas pipelines, petrochemical equipment, and power generation systems, where mechanical strength, thermal resistance, and durability are paramount.
Esha 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 Kolkata India.
Copyright 2025 Esha Steel. All rights reserved
