Hex socket screws, commonly known as Allen screws or socket head screws, are fasteners characterized by a hexagonal (six-sided) recess in their head. They are designed to be driven using a hex key (Allen key) or a compatible socket tool. These screws are widely used in industries and applications requiring high torque transmission, precision, and a compact design. They are available in various head styles, including button head, flat head, and socket cap, and are manufactured from materials such as steel, stainless steel, and titanium.

Applications

Hex socket screws are versatile and suitable for numerous scenarios:

1. Machinery & Automotive: Ideal for assembling engines, machinery components, and automotive parts due to their ability to withstand high torque and vibration.

2. Aerospace: Used in critical applications where lightweight yet durable fasteners are essential.

3. Electronics & Appliances: Their low-profile heads fit into tight spaces, making them perfect for compact devices.

4. Furniture & Construction: Commonly used in flat-pack furniture and structural assemblies requiring hidden or flush fasteners.

5. Precision Engineering: Preferred in tooling, molds, and equipment requiring exact alignment and minimal head protrusion.

Advantages

1. High Torque Capacity: The hexagonal recess provides greater contact area with the tool, enabling efficient torque transfer and reducing slippage.

2. Space-Saving Design: The recessed head allows installation in confined spaces where traditional screw heads (e.g., Phillips or slotted) might not fit.

3. Durability: Less prone to cam-out (tool slipping) compared to slotted or Phillips screws, prolonging tool and fastener life.

4. Aesthetic Appeal: Flush or low-profile heads offer a clean and streamlined appearance.

5. Material Versatility: Available in corrosion-resistant, high-strength, or lightweight materials to suit diverse environments.

6. Security: Specialty versions (e.g., tamper-resistant) include pin-in-hex designs to deter unauthorized removal.

About Us

Shanghai Tengri Metal Products Co., Ltd. is an OEM manufacturer of steel/stainless steel/brass/titanium/aluminum/duplex fasteners (mainly producing bolts/washers/nuts/screws/anchors/rivets), providing a variety of products to meet your diverse needs. We have been cooperating with large companies around the world.

Since the establishment of our company, we have adhered to the management principles of "quality first, customer first, and reputation first", and have always made every effort to meet the potential needs of our customers. With the unstoppable trend of economic globalization, our company is sincerely willing to cooperate with enterprises from all over the world to achieve a win-win situation. With SGS, BV, PPAP certification qualifications and extreme standards, we have over 30 years of experience in this field, making us highly competitive in the current market.