... fitting material:iron with zinc plated available size:m6*1,m8*1,m10*1,m12*1,m14*1 shape:straight,angle hydraulic ... type GREASE NIPPLE/GREASE FITTING Material:iron/mild steel,stainless steel,brass/copper ... professional factory, we can produce all types grease fitting customer need and also we can offer OEM. hydraulic grease fitting m6*1*45