100 pcs 5/16-18 x 3/4 Grade 8 Hex Flange Frame Bolts Zinc Phosphate Oil For Sale

Grade 8 non-serrated flange (frame) boltsare commonlyused in applications where a wide bearing surface is needed to distribute theload and prevent damage to the connected materials. Some common applicationsinclude:

1. Automotive Industry– Used in engine assemblies, transmission systems, and exhaust systems due to their ability to resist loosening from vibration.
2. Construction and Structural Engineering– Securing steel frameworks, bridges, and heavy equipment.
3. Plumbing and Piping– Used to fasten flanges in pipelines, ensuring secure connections in water, gas, and chemical systems.
4. Heavy Machinery and Equipment– Common in industrial machinery and agricultural equipment for high-strength fastening.
5. Aerospace Industry– Used in aircraft assembly where vibration resistance is crucial.
6. Electrical and Power Plants– Fastening components in turbines, generators, and other electrical equipment.

Their built-in washer design helps distribute pressure,making them ideal for high-stress and high-vibration environments. Coated inzinc phosphate and oil to withstand 72 hours until the appearance of red rust.

Dimensional Spec: IFI111
Material Per:SAE J429
Plating Per:ASTM F1137 Grade D
HTS Code:7318.15.80.69
RoHS Compliant:✔
REACH Compliant:✔
Prop 65 Compliant:✔
TSCA Compliant:✔
Conflict Mineral Free:✔
PFAS Free:✔

72 Hours toRed Rust