i need hex head flange screw bolts,sizes should be head size 10mm,12mm,14mm,17mm,19mm,13mm10=qty3000012=qty3000014=qty3000017=qty2000019=qty2000013=qty20000send me your qoation as soon as possiblesend me stainles steel nut and bolts catalouemy address=202/1 galle road mount laviniamy phone=0772650826thank you waiting for your reply