We are Tiajin Naboscrew Standard Component Make Co.,lTD.We have stock of pan head self-drilling screws,low price to sell,if you are interested in it ,pls be free to contact us. Size:3.5*9.5 Finish:BL.PH. Quantity:2800Mpsc Finish:Zinc.pl. Qty:2800Mpcs PRICE:FOB: USD1.28/Mpcs