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Serrated Flange Nut
Serrated Flange Nut is a high-performance fastener that adds radial serrated teeth on the underside of the flange based on the standard flange nut design. Its core structure consists of three parts:
Hexagonal Head Body: A regular hexagonal design that fits various tightening tools (wrenches, sockets), ensuring convenient installation and high torque transmission efficiency;
Circular Flange: A flat disk perpendicular to the nut axis, used to increase the contact area with the connected part, disperse preload, and protect thin-walled or soft materials;
Serrated Teeth: Evenly distributed radial teeth on the flange underside that embed into the connected surface during tightening, significantly enhancing anti-loosening performance, especially suitable for high-vibration or dynamic load applications.
Product Description
Serrated Flange Nut is a high-performance fastener that adds radial serrated teeth on the underside of the flange based on the standard flange nut design. Its core structure consists of three parts:
Hexagonal Head Body: A regular hexagonal design that fits various tightening tools (wrenches, sockets), ensuring convenient installation and high torque transmission efficiency;
Circular Flange: A flat disk perpendicular to the nut axis, used to increase the contact area with the connected part, disperse preload, and protect thin-walled or soft materials;
Serrated Teeth: Evenly distributed radial teeth on the flange underside that embed into the connected surface during tightening, significantly enhancing anti-loosening performance, especially suitable for high-vibration or dynamic load applications.
This product complies with national standard GB6177.1 (flange nut series), with materials including carbon steel (Grade 8.8, 10.9) and stainless steel (304, 316):
Carbon steel Grade 8.8 has tensile strength ≥800MPa, Grade 10.9 ≥1000MPa, meeting medium to heavy industrial connection requirements;
Stainless steel 304/316 offers excellent corrosion resistance (to acid, alkali, salt spray) and a smooth, dead-corner-free surface, complying with hygiene requirements in food and medical industries.
Hexagonal Head Body: A regular hexagonal design that fits various tightening tools (wrenches, sockets), ensuring convenient installation and high torque transmission efficiency;
Circular Flange: A flat disk perpendicular to the nut axis, used to increase the contact area with the connected part, disperse preload, and protect thin-walled or soft materials;
Serrated Teeth: Evenly distributed radial teeth on the flange underside that embed into the connected surface during tightening, significantly enhancing anti-loosening performance, especially suitable for high-vibration or dynamic load applications.
This product complies with national standard GB6177.1 (flange nut series), with materials including carbon steel (Grade 8.8, 10.9) and stainless steel (304, 316):
Carbon steel Grade 8.8 has tensile strength ≥800MPa, Grade 10.9 ≥1000MPa, meeting medium to heavy industrial connection requirements;
Stainless steel 304/316 offers excellent corrosion resistance (to acid, alkali, salt spray) and a smooth, dead-corner-free surface, complying with hygiene requirements in food and medical industries.
Product Feature
Superior Anti-Loosening Performance: The radial teeth on the flange underside embed into the connected surface, providing additional friction and mechanical locking, far exceeding ordinary flange nuts in vibration resistance – ideal for heavy machinery and agricultural equipment.
Pressure Dispersion & Surface Protection: The flange design disperses preload over a larger area (2–3 times larger than ordinary nuts), effectively avoiding damage to thin-walled or soft materials (e.g., aluminum alloys, plastics).
High Strength & Heavy-Duty Capacity: Carbon steel Grade 10.9 offers tensile strength ≥1000MPa, capable of withstanding high tensile and shear loads in heavy equipment and steel structures without deformation or fracture.
Corrosion Resistance & Hygiene Performance: Stainless steel 304/316 resists acid, alkali, and salt spray erosion, with a smooth, dead-corner-free surface that is easy to clean and disinfect. Complies with food-grade hygiene standards (GB 14930.1) and medical device requirements.
Easy Installation & Interchangeability: The hexagonal head fits multiple tools, ensuring high installation efficiency. Complies with GB6177.1 standard with high dimensional precision (error ≤0.1mm), compatible with same-specification bolts and washers.
Reduced Maintenance Costs: Excellent anti-loosening performance reduces the need for frequent re-tightening, extending maintenance intervals and improving operational safety.
Application Fields
Construction Machinery & Agricultural Equipment: Used for connections in excavators, tractors, harvesters, etc. Serrated teeth effectively prevent loosening under strong vibration, ensuring operational safety.
Industrial Building Materials & Steel Structures: Used in steel workshops, bridges, towers, etc. High-strength carbon steel bears heavy loads, and teeth provide anti-loosening against wind and dynamic loads.
Automotive & New Energy Vehicles: Used for chassis, suspension systems, motor mounts, etc. Vibration-resistant and anti-loosening, enhancing driving stability and safety.
Food Processing Machinery: Used in packaging machines, conveyors, mixing tanks, etc. Stainless steel offers corrosion resistance and easy cleaning, meeting food-grade hygiene standards.
Medical Equipment: Used for operating tables, imaging devices, rehabilitation training equipment. Stainless steel 304 has no harmful leaching, and teeth ensure long-term stability of precision devices.
Electronics & Communication Equipment: Used for base station antennas, cabinet assemblies. Small sizes provide lightweight anti-loosening solutions, suitable for outdoor wind-vibration environments.
Pressure Dispersion & Surface Protection: The flange design disperses preload over a larger area (2–3 times larger than ordinary nuts), effectively avoiding damage to thin-walled or soft materials (e.g., aluminum alloys, plastics).
High Strength & Heavy-Duty Capacity: Carbon steel Grade 10.9 offers tensile strength ≥1000MPa, capable of withstanding high tensile and shear loads in heavy equipment and steel structures without deformation or fracture.
Corrosion Resistance & Hygiene Performance: Stainless steel 304/316 resists acid, alkali, and salt spray erosion, with a smooth, dead-corner-free surface that is easy to clean and disinfect. Complies with food-grade hygiene standards (GB 14930.1) and medical device requirements.
Easy Installation & Interchangeability: The hexagonal head fits multiple tools, ensuring high installation efficiency. Complies with GB6177.1 standard with high dimensional precision (error ≤0.1mm), compatible with same-specification bolts and washers.
Reduced Maintenance Costs: Excellent anti-loosening performance reduces the need for frequent re-tightening, extending maintenance intervals and improving operational safety.
Application Fields
Construction Machinery & Agricultural Equipment: Used for connections in excavators, tractors, harvesters, etc. Serrated teeth effectively prevent loosening under strong vibration, ensuring operational safety.
Industrial Building Materials & Steel Structures: Used in steel workshops, bridges, towers, etc. High-strength carbon steel bears heavy loads, and teeth provide anti-loosening against wind and dynamic loads.
Automotive & New Energy Vehicles: Used for chassis, suspension systems, motor mounts, etc. Vibration-resistant and anti-loosening, enhancing driving stability and safety.
Food Processing Machinery: Used in packaging machines, conveyors, mixing tanks, etc. Stainless steel offers corrosion resistance and easy cleaning, meeting food-grade hygiene standards.
Medical Equipment: Used for operating tables, imaging devices, rehabilitation training equipment. Stainless steel 304 has no harmful leaching, and teeth ensure long-term stability of precision devices.
Electronics & Communication Equipment: Used for base station antennas, cabinet assemblies. Small sizes provide lightweight anti-loosening solutions, suitable for outdoor wind-vibration environments.
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