China ASTM A194-4 Manufacturer, Supplier, Factory

DIN127A Lock Single Coil Spring Washer are commonly used metric lock washers, As you tighten a bolt, these DIN127A Lock Single Coil Spring Washer flatten to add tension to the threaded joint and prevent loosening from small amounts of vibration. DIN127A Lock Single Coil Spring Washer meet a DIN or ASME standard for split lock washer dimensions. Standard DIN127A Lock Single Coil Spring Washer have a left-hand helix, which means you can only use them with bolts that have right-hand threads to prevent clockwise rotation from vibration. 

Made from premium-grade materials, the Black Heavy Shear Tension Control TC Bolt is engineered with ultimate strength and precision in mind. Black Heavy Shear Tension Control TC Bolt Each bolt is designed to deliver maximum clamping force while maintaining its structural integrity under extreme conditions.

GB1228 Steel Structures Bolts are commonly used in critical structural applications such as Bridges, buildings and other infrastructure. Ensuring their quality is critical to the safety and structural integrity of these works. The control and traceability of the A325M heavy duty hex bolt or any fastener is a key aspect of the construction and engineering industry. Safety and structural integrity are the correct applications that distinguish GB1228 Steel Structures Bolts. Batch control and traceability help maintain the highest safety standards. Batch control ensures that the bolts used in the project come from the same production batch. This helps maintain consistent quality and ensures that all bolts from a particular batch meet the same specifications and standards. In the rare cases where defects or problems are found in a particular batch of bolts, being able to trace back to the source of those bolts can facilitate an effective recall and replacement. This minimizes downtime and project delays.

ASTM A325 Heavy Hex Structural Bolt with its unique design, our butterfly bolts have a spring-loaded toggle that expands behind the wall once installed. This ensures a secure anchor point that can support a wide range of weights, ensuring whatever you're attaching stays in place. ASTM A325 Heavy Hex Structural Bolt can be used with a wide variety of materials, such as drywall, plaster, and even concrete. We offer our butterfly bolts in a variety of sizes to best fit your needs.

Jiaxing Qunbang Hardware Co., Ltd. is a fastener manufacturer and supplier in China. We have many years of fastener export experience. SABS 1282 Black M12-M56 Cl. 8.8/10.9 is a common fastener product, It has a wide range of applications. We have hexagonal head bolts in various sizes, Its thread size and thickness allow for better connection, It is usually used with a nut and a washer. We have good price and product inspection certificate, and we have free samples, Welcome to contact us.

ASTM A307b GRB Heavy Hex Bolts is a ASTM A307 models.The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4″ through 4″ diameter. This is your everyday, run of the mill bolt specification often manufactured using A36 round bar. There are three grades A, B, and C* which denote tensile strength, configuration, and application. Refer to the Mechanical Properties Chart for the subtle strength differences within each grade.