If you’re looking for top-notch **Alloy Steel Gr 10.9 Fasteners**, Thabiso Steel, based in Cape Town, South Africa, has got you covered. They’re a reputable manufacturer and supplier of high-quality alloy steel products, and their Alloy Steel Gr 10.9 Fasteners are particularly impressive. Known for their remarkable strength, toughness, and precision engineering, these fasteners are designed to handle the rigors of heavy-duty industrial and structural applications. They deliver outstanding performance even under extreme mechanical stress. Thabiso Steel is dedicated to providing reliable fastening solutions that boost safety, durability, and dependability across South Africa’s construction, manufacturing, and engineering sectors.
These fasteners are crafted from medium carbon alloy steel, which includes carbon, manganese, chromium, and molybdenum. Thanks to heat treatment through quenching and tempering, they boast impressive mechanical properties, achieving a tensile strength of around 1,040 MPa and a yield strength of about 940 MPa. With excellent fatigue resistance, hardness, and wear strength, they’re perfect for critical applications that demand high load-bearing capacity and longevity.
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 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 | 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 10.9 Fasteners in a variety of settings, from automotive assembly and heavy machinery to structural frameworks and industrial equipment. They’re particularly well-suited for environments that experience vibration, dynamic loads, and tough conditions. Often used alongside high-strength washers and nuts, these fasteners ensure secure and lasting connections. Thabiso Steel’s Alloy Steel Gr 10.9 Fasteners are a reliable choice, playing a vital role in strengthening South Africa’s infrastructure and supporting industrial growth.
ThabisoSteel 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 Cape Town, South Africa.
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