... in wooden articles and wooden structuresSizeDia:3mm-8mm, Length:<80mmMaterialCarbon steel or stainless steelHeadFlat, countersunk,double countersunk (Pan head is also ... /RecessPozi, Torx, Philips, or otherThreadCoarse, fine, double, or otherPoint/EndSharp, flat, T17 slottedOthersAs requiredHardnessAs requiredCoatingswhite/yellow zinc plated, or as requiredPackingPacking ...