... /2 NPT Also have SAE,BSP etc. 1/2" NPT Pipe Thread Grease Fitting Description :Lubrication grease fitting / grease nipple can be ... ,UNC, Button type, drive type, two way type, long type for your choosing . Material and plating :Brass, stainless steel, mild steel ... size ! OEM is supported ! 1/2"NPT PHOTO:Other models for reference :