High-quality High Tensile Allen Cap 12.9 supplied by Valaki Enterprise, Nashik — ISO certified, bulk supply to Nashik, Pune & Mumbai.
High Tensile Allen Cap Bolt – Grade 12.9 is a high-tensile fastener made from alloy steel, designed for heavy-duty and high-load applications. These bolts feature a cylindrical head with an internal hex (Allen) drive, allowing secure tightening in confined spaces. With a tensile strength of 12.9 grade, they offer exceptional durability, wear resistance, and the ability to withstand extreme mechanical stress. Commonly used in automotive, machinery, construction, and industrial equipment, Grade 12.9 Allen cap bolts ensure reliable performance where strength and precision are critical.
Complete material and dimensional specifications for Grade 12.9 Allen Cap Bolts
| Parameter | Details |
|---|---|
| Material | Alloy Steel (Chromium-Molybdenum) |
| Grade / Class | 12.9 |
| Size Range | M3 to M36 |
| Length Range | 5mm to 300mm (Custom lengths available) |
| Head Type | Cylindrical Socket Cap Head |
| Drive Type | Internal Hex (Allen / Socket Key) |
| Thread Type | Metric Coarse / Fine Thread (DIN 13) |
| Surface Finish | Black Oxide / Plain / Zinc Phosphate |
| Standard | DIN 912 / ISO 4762 |
| Tensile Strength | 1220 MPa (minimum) |
| Yield Strength | 1100 MPa (minimum) |
| Hardness | 39–44 HRC |
| Operating Temperature | Up to +300°C (with appropriate lubricant) |
| Packaging | Poly Bags / Wooden Boxes / Custom (per requirement) |