Aatir Steel, a reputable manufacturer and supplier located in Cairo, Egypt, is well-known for crafting top-notch Alloy Steel Gr 8.8 Fasteners that adhere to international engineering standards. These fasteners are engineered for exceptional strength, precision, and reliability, making them perfect for tough industrial settings. Aatir Steel guarantees consistent quality through cutting-edge manufacturing techniques and thorough testing procedures. The Alloy Steel Gr 8.8 Fasteners offer outstanding mechanical performance, durability, and resistance to corrosion, catering to industries like construction, automotive, power generation, and heavy machinery with reliable fastening solutions designed to endure.
These fasteners are made from medium carbon alloy steel, enhanced with elements such as manganese, chromium, and molybdenum. They undergo heat treatment to achieve impressive tensile and yield strength, along with enhanced hardness and fatigue resistance. With remarkable mechanical properties, including a tensile strength of about 800 MPa and a yield strength of 640 MPa, they are perfect for high-stress and load-bearing applications where dependability and toughness are essential.
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
| 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 | |
| 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 |
Alloy Steel Gr 8.8 Fasteners are commonly utilized in construction, automotive assembly, heavy equipment manufacturing, and industrial machinery. They excel at joining components that experience vibration, dynamic loads, and significant stress. These fasteners are also used in bridges, railways, wind turbines, and structural frameworks where strength and stability are critical. Aatir Steel’s Alloy Steel Gr 8.8 Fasteners provide reliable performance, ensuring secure and long-lasting connections even in the most challenging operational conditions.
Aatir 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 Cairo, Egypt.
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