... *1,m12*1,m14*1 shape:straight,angle hydraulic type GREASE NIPPLE/GREASE FITTING Material:iron/mild steel,stainless steel,brass/copper ... ", 5/16", 1/16", 7/16" Thread Standard: BSP, NPT , SAE, UNF, UNEF, BSF Type:Button head type, Hex type, Pin ... professional factory, we can produce all types grease fitting customer need and also we can offer OEM. hydraulic grease fitting m6*1*45