The GB856 and DIN 432 standards describe external tongue stop washers, which are single lug washers designed to provide retention on a shaft and prevent movement of the part in the axial direction. This washer is widely used in a variety of industrial applications due to its simple yet effective design.
Stainless Steel (304/316): Offers superior corrosion resistance and is suitable for moist or corrosive environments. The 316 grade has additional molybdenum, providing even better corrosion resistance, especially in marine applications.
Carbon Steel: Provides good strength and is the most common material for bolts. It may require additional surface treatments like galvanizing for increased corrosion resistance.
Alloy Steel: Offers enhanced strength and durability. It is often used in high-stress applications where high tensile strength is required.
Advantage:
Outer Tongue Retention: The outer tongue portion of the outer tongue stop washer is capable of snapping into a groove or other structure on the shaft to provide a strong axial retention. Ease of Installation: These washers are easy to install and can be quickly placed on the shaft and mated to the appropriate structure for quick fixing. Material Versatility: Usually made of spring steel, but materials such as stainless steel or alloy steel are also available to suit different working environments and corrosion resistance needs. Surface treatment: The surface of the washer may be galvanized, blackened, or otherwise surface treated to enhance its corrosion resistance and extend its service life.
Scope of Application
Mechanical Manufacturing: In the field of mechanical manufacturing, it is used to fix rotating or sliding parts such as gears, bearings and bushings. Automotive industry: in the engine, gearbox, chassis and other key parts of automobiles to ensure the correct positioning and fixation of parts. Electrical equipment: In electrical equipment, used to keep electrical connectors and terminals in place and prevent loosening due to vibration. Aerospace: In aerospace, to ensure the precise installation and fixing of critical components to withstand extreme operating conditions.
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.
Quality 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.