GB897B is a specification for double-ended studs specified in the Chinese national standard. Characterized by threads on both ends and a smooth rod in the middle, these double-ended studs are typically used to connect two thicker components, where a threaded hole in one component accommodates one end of the stud and the other end passes through a through-hole in the other component and is used with a nut.
Carbon Steel: Typically used for general applications.
Stainless Steel: For environments where corrosion resistance is required.
Alloy Steels: Used in applications requiring high strength or high temperature resistance.
Advantage:
HIGH STRENGTH: GB897B double-ended studs are usually made of high-strength materials and are able to withstand large preloads and working loads. RELIABILITY: With threads on both ends, these studs provide a reliable connection for applications requiring high strength connections. Reusable: Compared to welded or other permanent connections, double-ended studs allow for disassembly and reuse for easy maintenance and repair. Versatility: GB897B standard double-ended studs are available in a wide range of sizes and lengths to suit different applications.
Scope of Application
Mechanical connections: In mechanical manufacturing, double head bolts are commonly used to connect parts that require high strength connections, such as engine parts, pumps and compressors. Steel construction: In steel construction, double head bolts are used to connect beams, columns and other structural components, especially where high strength and removability are required. Bridge construction: In bridge construction, double-ended bolts are used to connect various parts of the bridge, such as the deck and supporting structures. Mining Machinery: In mining machinery, double head bolts are used to connect heavy mechanical components such as excavators and drilling rigs.
Quality Certification
Hebei Bentley is ISO9001:2015 certified and equipped with relevant certificates for quality assurance. Due to its specific dimensions and performance levels, it is suitable for a wide range of industrial and commercial scenarios including, but not limited to: machine building, construction work, transport, energy industry, timber frame connections.
Quality inspection
Bentley has invested a huge amount of money to builda product testing laboratory, equipped with importedhigh-end instruments:such as thread comprehensivescanners, high temperature tensile testing machines,high frequency fatigue testing machines, etc., to ensurethat all products are strictly tested before leaving thewarehouse to ensure the reliability of customers duringuse.