Used for stitching metal or attaching to metal. A pre-drilled hole is required. Pan head for improved clamping. ApprovalBS 4174:1972Corrosion Rating1 - Clean, dry & low humidity environmentsDescriptionUsed for stitching metal or attaching to metal. A pre-drilled hole is required. Pan head for improved clamping. Driver Bit SizePZ2FinishZinc & Clear Cr3Gauge8Head TypePanLength inch5/8Length mm16MaterialCarbon SteelPack Dimensions L x W x H mm15 x 90 x 133Pack Weight kg0.030Point TypeAB PointProduct Code00858CPAZPRecess TypePoziSize imp.8 x Size mm4.2 x 16SubstratesSteel, Thin Sheet MetalThread Dia. mm4.2Thread Type60° Self-Tapping.