grease fitting: material:iron zinc plated size:m10x1 straight other size:m6x1,m8x1,m12x1,m14x1,1/4",1/8", ... , 3402, 3403, 3405. Over 70 thread types and 1200 designs straight, angled-90º, 45º hydraulic, button head and concave types. Self ... installation easy because thread tapping is then no longer necessary. All standard grease fittings are available with no minimum quantities. Protection ...