China A307 GRB Manufacturer, Supplier, Factory

​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.

DIN931 Hexagonal Bolt is the most commonly used hex bolt in the metric bolt, DIN931 Hexagonal Bolt common grades are 4.8, 6.8, 8.8, 10.9, 12.9. DIN933 Hex Bolt surface is coated with different coatings for different environments.

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.

ISO8678 Round Head Square 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, ISO8678 Round Head Square Carriage Bolt is built to last.

ASTM F436 Steel Structure Metal Flat Round Washer is stamped piece from, The shape is round with a hole in the middle. ASTM F436 Steel Structure Metal Flat Round Washer have a smooth bearing surface which is used under the head of a bolt, ASTM F436 Steel Structure Metal Flat Round Washer are used to reduce friction, The force is unoform, It is not easy to slip and lock in the process of rotation, and it is anti loose design, prevent leakage, isolate, prevent loosening, or distribute pressure.

GB10433 Welding Shear Stud refer to the installation of steel pins or grommets, that extend out of the top flange of a steel support beam. Normally the GB10433 Welding Shear Stud are welded, with a spot welder, after the metal deck is installed over the supporting structural steel. The spot welder will burn through the metal deck and attach the GB10433 Welding Shear Stud directly to the top of the steel beam.