China hexgon nut Manufacturer, Supplier, Factory

ASTM F959 Direct Tension Indicator Flat Washer is one of our common standard washers, the material of carbon steel, the surface has black oxide,zinc plated. ASTM F959 Direct Tension Indicator Flat Washer is use with A394 high strength structural bolts. ASTM F959 Direct Tension Indicator Flat Washer, mainly punched out from iron plates. The common shape of a flat washer is a hole in the central. The pore size specifications according to customer requirements. high quality and lower price. Our company has certificates ISO9001.

DIN6921 Carbon Steel Hex Head Flange Screw, our bolts offer exceptional performance and reliability in even the most demanding environments. The hexagon flange design of these bolts provides a larger bearing surface and a more secure fastening, ensuring that your equipment remains safe and secured at all times. Additionally, our bolts are designed with a metric thread which is perfect for use in a wide range of industrial and engineering applications.pplications.

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.

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.

DIN 7990 Chrome Plating Hex Bolts are a very common choice when it comes to construction and repair. DIN 7990 Chrome Plating Hex Bolts come in a large variety of sizes and diameters. The best way to choose the right hex bolt is to find the bolt material that best suits your needs. Our company has a wealth of fastener production experience and history. We can customize fasteners and have free samples.

​ASME B182.2.1 Square Head Bolt are similar to Hex Cap screws but have a 4-sided square head instead of a 6-sided hexagonal head. ... They are commonly referred to as both bolts and screws and are designed to be driven with a wrench. ​ASME B182.2.1 Square Head Bolt are partially threaded with a shoulder beneath the head.