grease fitting material:iron with zinc plated available size:m6*1,m8*1,m10*1,m12*1,m14*1 shape: ... Material:iron/mild steel,stainless steel,brass/copper Metric size:M6*1, M8*1, M10*1, M12*1, M14*1, M16 ... need and also we can offer OEM. hydraulic grease fitting m6*1*45