TOOLSHACK - 1/4 UNF x 1" Socket Head Countersunk Screws Pack ( 4 )
UNF Socket Countersunk Screw BS2470. UNF & UNC are 82° and BSF &BSWImperial 90°. Socket countersunk Head screws are used in applications where a flush head is required. Socket Countersunk Head Screws.