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ASTM A563M 10s Grade Heavy Hex Nut are the most commonly used nuts in the fastener industry.ASTM A563M 10s Grade Heavy Hex Nut are relatively strong and durable fasteners that can withstand some special industrial conditions. ASTM A563M 10s Grade Heavy Hex Nut hardness, thickness and tensile strength enable it to withstand some extreme industrial environments.

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.

DIN6915 10 Hv Heavy Hex Nuts also called structural nuts, are both thicker and wider than a standard (finished) hex nut and compatible with high strength and large diameter bolts. DIN6915 10 Hv Heavy Hex Nuts in sizes smaller than 7/16" are double chamfered. DIN6915 10 Hv Heavy Hex Nuts larger than 7/16" are either double chamfered or chamfered on top with a washer faced bearing surface.

DIN6923 Hex Flange Nuts provide a secure and tight fit, while also preventing the nut from loosening due to vibration. This is especially important in industries where machinery and other heavy equipment are used, as any loosening of fittings can cause dangerous and costly consequences. The flange of DIN6923 Hex Flange Nuts acts as a washer, providing additional support while preventing the nut from embedding itself into the surface of the material being fastened. This greatly reduces the risk of damage to the structure, as well as providing a more aesthetically pleasing finish.

ASME Black Half Thread Hex Bolt Class 8.8 steel screws are suitable for fastening most machinery and equipment. To maintain corrosion resistance, use ASME Black Half Thread Hex Bolt with black ultra-corrosion-resistant-coated nuts and washers.

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.