China GB1229 Manufacturer, Supplier, Factory

DIN555 Black Heavy Hex Nuts, Use with ASTM193 hex bolt/stud bolt, QBH can provide you DIN555 Black Heavy Hex Nuts with Coarse thread and fine thread, DIN555 Black Heavy Hex Nuts high quality help us get more cooperation with customers abroad.

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. 

Welding Stud Connector Aws D1.1 are used in stud welding to secure steel framed buildings to create a shear connection between the steel and the concrete. We supply and fix all available sizes of Welding Stud Connector Aws D1.1 for through deck and straight to steel welding. Welding Stud Connector Aws D1.1 are designed to tie the concrete to the steel beams and to resist shear loadings between the concrete slab and steel beam in composite construction.

Spare Parts Knurl Steel Structure Carriage Bolt boasts a double steel structure that provides superior strength and durability, ensuring that your fastening needs are always met. the knurl round head design of the Spare Parts Knurl Round Head Double Steel Structure Step Carriage Bolt is aesthetically pleasing and practical. The head is ribbed, which makes it easier to grip with your fingers or a wrench while tightening or loosening it. When tightened properly, the bolt is sure to stay in place, providing a secure and reliable fastening. the double steel structure of the carriage bolt contributes to its superior strength and durability. The two layers of steel work together to provide a tensile, bending, and shearing strength that is unparalleled by single-layer bolting solutions. Whether it's used for residential or commercial applications, Spare Parts Knurl Steel Structure Carriage Bolt is built to last.

​DIN21346 Square 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. DIN21346 Square Bolt are partially threaded with a shoulder beneath the head.

DIN6923 Flange Head Nut 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 Flange Head Nut 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.