A hex socket bolt, also known as a socket head cap screw, is a type of fastener widely used in various mechanical and engineering applications. Here is a detailed introduction:
Head: It features a hexagonal socket on the top, which allows for the insertion of a hex key or Allen wrench. This design enables precise torque application when tightening or loosening the bolt. The head is usually cylindrical in shape and has a smooth surface.
Shank: The shank is the long, cylindrical part of the bolt that extends from the head. It has a threaded portion that mates with a corresponding nut or threaded hole in a workpiece. The length of the shank can vary depending on the specific application requirements.
Thread: The thread on the shank is typically a fine - pitched or coarse - pitched helical groove. Fine - pitched threads provide greater precision and a stronger hold, while coarse - pitched threads are easier to install and remove. The thread specification is standardized according to different national and international standards.
Steel: Most hex socket bolts are made of steel, which offers high strength and durability. Steel bolts can be further treated with processes such as quenching and tempering to enhance their mechanical properties. Stainless steel is often used in applications where corrosion resistance is required, such as in outdoor environments or in contact with chemicals.
Alloy Steel: For high - strength applications, alloy steel bolts are preferred. These alloys may contain elements such as chromium, molybdenum, and vanadium, which improve the bolt's strength, toughness, and resistance to wear and fatigue.
Other Materials: In some special cases, hex socket bolts may be made of non - ferrous materials such as aluminum or brass. Aluminum bolts are lightweight and suitable for applications where weight reduction is crucial, while brass bolts offer good corrosion resistance and are often used in electrical and decorative applications.
High Strength: Hex socket bolts can withstand high tensile and shear forces, making them suitable for applications where strong fastening is required. The combination of a strong shank and a well - designed head allows for efficient transfer of force.
Precise Torque Control: The hexagonal socket design enables accurate torque application using a hex key or torque - controlled tool. This ensures that the bolt is tightened to the correct specification, preventing over - tightening or under - tightening, which can lead to component failure or poor assembly quality.
Compact Design: The cylindrical head and relatively small size of hex socket bolts make them suitable for use in confined spaces where larger fasteners may not fit. Their low - profile design also provides a neater appearance in many applications.
Good Resistance to Vibration: The threaded connection of hex socket bolts, when properly tightened, offers good resistance to vibration - induced loosening. This makes them reliable in applications where there is significant vibration, such as in machinery, automotive, and aerospace industries.
Mechanical Engineering: They are widely used in the assembly of machinery, such as in the construction of engines, gearboxes, and machine tools. Hex socket bolts provide the necessary strength and precision to hold components together firmly.
Automotive Industry: In cars, trucks, and other vehicles, hex socket bolts are used in various parts, including the engine block, chassis, and suspension systems. Their high strength and resistance to vibration ensure the safety and reliability of the vehicle's structure.
Aerospace: Due to their high strength - to - weight ratio and excellent fatigue resistance, hex socket bolts are extensively used in aircraft manufacturing. They are used to assemble the airframe, wings, and engine components, where reliability and weight reduction are of utmost importance.
Electronics: In electronic devices, hex socket bolts are often used to secure printed circuit boards, enclosures, and heat sinks. Their small size and precise torque control make them suitable for delicate electronic assemblies. Furniture and Woodworking: Hex socket bolts can be found in furniture construction, especially in applications where a strong and hidden fastening is required. They are used to assemble table legs, cabinet frames, and other wooden structures.
HAIYAN BOLT CO.,LTD. produce both carbon steel and stainless Hex socket bolt.
Standard: DIN912, ANSI/ASME,BS,ISO,etc
GRADE: 8.8 to 10.9,Gr 5, A2-304,A4-316
Material: alloy steel,stainless steel.
Size:from 1/4” to 1”, from 6mm to 30mm.
Surface finish:zinc plated, plain, black oxide, HDG,mech galv, decromet
Packing: cartons with plywood pallet
Supply ability: 200tons per month
