Hexagon flange bolts with a recessed head and toothed face are bolts with a hexagonal head and a toothed flange face. The design of this bolt includes a recessed head and flange area with a toothed head that provides additional friction to prevent the bolt from loosening in a vibrating environment. They are commonly used where high clamping forces and anti-loosening characteristics are required.
Material: including carbon steel, alloy steel, stainless steel (such as 304, 316, 316L, etc.) and other materials, the specific selection depends on the working environment and application requirements.
Grade: The product grade is divided into A grade and B grade, as well as different mechanical properties grade (such as 4.8 grade, 8.8 grade, 10.9 grade,A2-70, etc.), these grades reflect the tensile strength, yield strength and other mechanical properties of the bolt. Different grades are suitable for different load bearing requirements and working environments.
Advantage:
1. Increased Surface Area: The flange face provides a larger contact area, which helps to spread the pressure during tightening and reduces damage to the joint. 2. Anti-loosening design: the design of the teeth in the head helps to keep the bolt tight in vibration environments and prevents it from loosening on its own. 3. Corrosion resistance: Depending on the manufacturing materials and surface treatment, they usually have very good corrosion resistance and are suitable for various environments . 4. High torque tolerance: due to the flange face design, these bolts can withstand higher torque, ensuring a strong connection. 5. Simplified assembly: thanks to the integrated flange face, no additional washers or gaskets are required, simplifying the assembly process .
Scope of
application
1. Automotive industry: especially for frame fixing of trucks and heavy vehicles . 2. Building and Structures: used for connecting and fixing structural building elements such as bridges, pylons, etc. 3. machinery and equipment: used in mechanical engineering to fix machine parts, such as motors, pumps, etc.. 4. chemical and petroleum equipment: used for connecting and fixing equipment such as pipelines, storage tanks, etc. 5. railways and motorways: used in the infrastructure of railways and motorways.
Quality
Certification
Hebei Bentley is ISO9001:2015 certified and equipped with relevant certificates for quality assurance. Due to its specific dimensions and performance levels, it is suitable for a wide range of industrial and commercial scenarios including, but not limited to: machine building, construction work, transport, energy industry, timber frame connections.
inspection
Bentley has invested a huge amount of money to builda product testing laboratory, equipped with importedhigh-end instruments:such as thread comprehensivescanners, high temperature tensile testing machines,high frequency fatigue testing machines, etc., to ensurethat all products are strictly tested before leaving thewarehouse to ensure the reliability of customers duringuse.