We produce many size of contact tips. 15AK,24/25AK,36KD/501D,Pana 350A,Miller,etc, We ... welding contaxt tip:Material: Copper /CuCrZr M6 ( Φ0.6-Φ1.6)Φ6.5*40MMΦ6.5*45MMΦ7.5*40MMΦ7.5*45MMΦ8 ... .8*40MMΦ8.8*45MMBinzel welding contat tips :Material :Copper ... /CuCrZr (Φ6-Φ1.2)M6*25MM*Φ6 (15AK)M6*28MM *Φ8(24KD,25AK ...