Name：Hex Flange Screws

Hex Flange Screws,Grade 5 

Typical Material：   Medium Carbon Steel 
Material and Mechanical Properties：  SAE J429 Grade 5. 
Dimensions：   IFI-111 
Typical Hardness：   HRC 25-34 on sizes 1/4 to 3/4 inch 
Tensile Strength：   120,000PSI Minimum on sizes 1/4 to 3/4 inch 

Hex Flange Screws,Grade 8 

Typical Material：   Medium Carbon Alloy Steel 
Material and Mechanical Properties：  SAE J429 Grade 8. 
Dimensions：   IFI-111 
Typical Hardness：   HRC 33-39 on sizes 1/4 to 3/4 inch 
Tensile Strength：   150,000 PSI Minimum on sizes 1/4 to 3/4 inch