Button socket cap screws offer a wider bearing surface and high tensile strength but are still low profile like other socket cap screws
            
        
            | Type | Cap Screw | 
| Style | Button Head Socket | 
| Size | 5/8"-11 | 
| Length | 2-1/2" | 
| Material | Carbon Steel | 
| Specifications | ANSI B18.3, ASTM A574 | 
| Tensile Strength | 170,000 PSI | 
| Thread Type | USS, UNC |