We are an ISO 9001:2015  certified manufacturer of Grade 5 & 8.8 Hex Cap Screws available in many sizes.
        
                    Unit of Measure
                    
               
        
            
                                                                                Length | 
                                                                        N/A 1 Inch | 
                                                                                Material | 
                                                                        N/A Carbon Zinc Yel Cr+6 | 
                                                                                Thread | 
                                                                        N/A 5/16"-18 | 
                                                                                Thread Type | 
                                                                        N/A Coarse | 
                                                                                PCs Weight | 
                                                                        N/A 0.02822 | 
                                                                                PR Unit QTY | 
                                                                        N/A 100 | 
                                                                                BR Unit QTY | 
                                                                        N/A 1400 | 
                                                                                Size (Fast) | 
                                                                        N/A 5/16"-18x1" | 
                                                                                Country of Origin | 
                                                                        N/A US | 
                                                                                Warning | 
                                                                        N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. | 
                                                                                Product Guides | 
                                                                        N/A Fastener's Guides |