Overview
Allen bolts are precision-engineered fasteners designed to provide secure and reliable fastening solutions across various industrial applications. Characterized by their hexagonal recessed drive, Allen bolts allow for efficient torque application using an Allen wrench or hex key, ensuring tight and stable connections. Manufactured from high-grade materials such as stainless steel, alloy steel, and carbon steel, Allen bolts offer excellent resistance to corrosion, wear, and mechanical stress. Their design facilitates flush mounting, making them ideal for assemblies where a smooth surface finish is essential. The manufacturing process involves stringent quality control measures, including heat treatment and surface finishing, to enhance durability and performance under demanding conditions.
These fasteners are widely utilized in automotive, aerospace, machinery, and construction sectors due to their versatility and strength. Allen bolts provide superior load distribution and minimize the risk of stripping or cam-out compared to traditional slotted or Phillips head screws. Their compact head design allows for use in tight spaces, improving assembly efficiency and maintenance accessibility. The combination of robust materials and precise manufacturing ensures that Allen bolts maintain structural integrity under dynamic loads and vibrations. This makes them a preferred choice for applications requiring long-lasting, high-performance fastening solutions that meet stringent industry standards.
| Product Type | Allen Bolts |
| Head Style | Cylindrical Socket Head |
| Manufacturing Process | Cold Forging and Machining |
| Thread Type | Metric Coarse and Fine Threads |
| Common Materials | Alloy Steel, Stainless Steel, Carbon Steel |
| Available Sizes | M3 to M24 diameter, lengths from 6mm to 150mm |
| Strength Features | High tensile strength, heat treated for durability |
| Typical Applications | Machine assembly, automotive, electronics, precision equipment |
| Surface Finishes | Zinc Plated, Black Oxide, Passivated Stainless, Plain |
| Standards | ISO 4762, DIN 912, ANSI B18.3 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
The internal hex drive allows for high torque application without damaging the bolt head, ensuring secure fastening in critical assemblies.
Available in stainless steel and coated carbon steel, Allen Bolts resist corrosion in harsh environments, extending service life.
Manufactured with tight tolerances for consistent thread quality and dimensional accuracy, ensuring reliable assembly performance.
The small head size allows use in confined spaces where traditional bolt heads cannot fit, enhancing design flexibility.
Available in multiple diameters and lengths to suit various mechanical and structural requirements.
Suitable for use in automotive, electronics, machinery, and aerospace industries due to their strength and ease of installation.
| Product Type | Allen Bolt (Hex Socket Head Cap Screw) |
| Thread Type | Metric and Unified Coarse/Fine |
| Diameter Range | M3 to M36 |
| Length Range | 10 mm to 200 mm |
| Available Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Manufacturing Standards | ASTM F835, DIN 912, ISO 4762, ASME B18.3 |
| Surface Finish | Plain, Zinc Plated, Black Oxide, Passivated |
| Diameter (mm) | Length (mm) |
|---|---|
| M3 | 10–50 |
| M6 | 16–100 |
| M12 | 30–150 |
| M24 | 50–200 |
