SAE Products 1/8 recessed grease nipple is commonly referred to as a 1/8 flat oil grease nipple or a 1/8 flush grease gun grease nipple.

1/8 embedded grease nipple length: 0.182, control: 0.156, inner diameter: 0.56, drive: 1/4, NAS516 series accessories.

Flat type grease fittings will not work when installed on protruding fittings. The flushing accessories sit flush or countersunk and are not easily damaged. Flat grease fittings are known as small grease fittings, flush fittings, recessed grease fittings, recessed drive fittings or recessed press fittings. Recommended accessories: Flat nozzle.