DescriptionMaterial:Steel or 1.4305 (AISI 303 equivalent) stainless steel.
Version:Steel electro zinc-plated.
Stainless steel bright.Note:As the construction of button head grease nipples allow for a high lubrication flow rate, they are especially useful for lubrication points which require a large grease volume. Because of the robust design, button head grease nipples are preferred for machines that are subjected to high external stress. 
