Grease Nipple Styles

Straight Grease nipples available from stock. Also available from stock are 45 degree and 90 degree. Grease fittings are permanently installed by a threaded connection, leaving a nipple connection that a grease gun attaches to. The pressure supplied by the grease gun forces a small captive bearing ball in the fitting to move back against the force of its retaining spring.

Grease  fittings are permanently installed by a threaded connection, leaving a nipple connection that a grease gun attaches to. The pressure supplied by the grease gun forces a small captive bearing ball in the fitting to move back against the force of its retaining spring. The arrangement is essentially a valve that opens under pressure to allow lubricant to pass through a channel and be forced into the voids of the bearing