SELF DRILLING SCREWs Dia:#6-#14,3.5-6.3 Length :9.5-125,3/8-5" Material:1022 Surface:z/p,black Drive:combination,phillips ,pozi,slottedHead: pan,countersunk wafer,hex washer pan framing,bugleDiameter: #6-#14,3.5-6.3Length : 9.5-125mm,3/8-5Material: C1022Finish: zinc platedPackage: 25kg/ cartonNote : other specifications are according to your need. SELF DRILLING SCREW