... Steel Head type: CSK/flat head, truss head, trumpet head, wafer head, pan framing head, pan wafer head, hexagon head, pan headThread type: type A, B, C, high-low ... quality, and reasonable priceAccept small ordersWe have pass the SGS report, RoHS report, and we also pass the BV inspection Hex Flangle Head Self Tapping Screw ...