DIN 7971-C A2 Self-tapping screw with semicircular head and straight slot 
            Fastening groupStainless steel..StandardDIN 7971MaterialStainless steel..Diameter, mm2.2, 2.9, 3.5, 3.9..Length, mm4.5, 6.5, 9.5, 13..Base materialWoodHeadSemicircularPackaging, pcs.500, 200, 1000Type of carvingFullSlotDirect (PL)AnalogISO 1481        
    
            
    
             DIN 7971-C zinc Self-tapping screw with semicircular head and straight slot 
            StandardDIN 7971MaterialStalCoatingZincDiameter, mm2.2, 2.9, 3.5, 3.9..Length, mm4.5, 6.5, 9.5, 13..Base materialWoodHeadSemicircularType of carvingFullSlotDirect (PL)AnalogISO 1481