The Grease Nipple 45Deg M6X1mm Is A Durable And Reliable Grease Fitting Designed For Grease Lubrication At A 90 Degree Angle In Various Applications. This Grease Nipple; Also Known As A Grease Fitting Or Grease Zerk; Features A 90 Degree Angled Design With An M6X1 Metric Thread; Making It Suitable For Use In Equipment And Machinery Where A 90 Degree Angle Is Required For Grease Application. Key Features And Benefits Of The Grease Nipple 90 Deg M6X1mm Precision-Manufactured Dustproof Grease Nipples.