What is a drive type grease fitting?
Drive Type Grease Fittings are designed for fast production line installation in untapped holes to avoid thread tapping costs. Drive Type Grease Fittings have a serrated shank, which facilitates the substitution of damaged grease fittings in old or oversize holes.
How do you fix a grease fitting that won’t take grease?
Try taking the zerk out, use a small wire and poke around. Might dislodge something. You could also put a drop or two of penetrating oil in before you install the zerk, and try seeing if that will go in, maybe loosening the clog.
How do you fix a broken grease fitting?
How to Change a Grease Fitting
- Clean the area around the broken grease fitting with a rag.
- Place an appropriate size open-end wrench around the hex nut of the fitting.
- Thread a new grease fitting into the grease hole until you can no longer turn it by hand.
- Apply grease to the fitting as usual with your grease gun.
Are there different types of grease fittings?
There are three major thread types for grease fittings: metric, taper or parallel, and unified. M5, M6, M7, M8, and M10 are common metric threads. British standard pipe (BSP), pipe thread fine (PTF), and national pipe thread fine (NPTF) fittings use tapered or parallel threads.