Drive these fittings into unthreaded holes.

Use these fittings in tight spaces where protruding fittings won't work. Drive them into unthreaded holes.

Ensure a secure fit in unthreaded holes—these fittings cut threads as they’re installed. They're also known as hydraulic grease fittings.

Inject lubricant into motors, bearings, engine blocks, and all kinds of machinery.

Often used on earth movers, mining equipment, and other heavy machinery, these fittings have a T-shaped top that holds the dispensing tip in place so it won't pop off when adding grease.