Grease fittings (or grease nipples, Zerk fittings, grease zerks, Alemite fittings, Zerks) are lubrication points in mechanical systems that add grease from grease guns. By applying pressure to a ball valve in the fitting, grease flows into the lubricating chamber, but cannot flow out.

　　High Pressure Grease Fitting manufacturer come in different sizes, threads, lengths, adaptations and styles. Below we'll discuss the common characteristics and the more important things to know about grease fittings and their accessories.

　　Grease fitting (Zerks) styles

　　If you need SAE or metric zerks we've got a collection in packages of 5 and 10, and in kits, offering: straight, 45, 65 and 90 degree angles in any size you might want.

　　The SAE and Metric Assorted 80 Piece Kits incorporate the most popular sizes; these Grease Fittings are manufactured to the most stringent quality standards.

　　4-way Grease Tool (easy-out-tool)

　　You may also need a four-way or an easy-out tool. These come in two different sizes to deal with different grease fittings and make it really easy to replace broken grease fittings or functional zerks that you maybe just want to swap out for something newer.

　　If you run into damaged or broken grease fittings, the 4-Way Grease Fitting Tool is your all-in-one solution. It can:

　　Install,

　　Remove,

　　Repair, and

　　Maintain

　　any Straight, Angled, and Pin Zerk Fittings.

　　It makes maintenance a snap and is easier than looking for the correct wrench size; it has a built-in rethreader and extractor.

　　T-Style Design

　　It has a 2” T-design and a knurled body for maximum grip.

　　You can install straight and angle zerk fittings and rethread or remove straight, angle, and pin fittings.

　　Versatile

　　Designed to retap holes for new installation, and also helps with the removal of worn or broken fittings.

　　The Grease fitting Unblocker removes old hardened grease, dirt and debris from clogged up bearings. Simply changing the fitting in most cases does not fix the issue, because the blockage is most often located in the joint itself.

　　Handy grease fitting drive tools make installing straight and angeled drive type fittings and zerks easy. Insert a drive tool over the fitting and tap opposite end with a hammer to seat.

　　The tools are made of heavy duty steel with a zinc-plated finish.

　　Available in 2 types: straight and angled

　　Fitting Protectors (caps)

　　These handy, little plastic caps keep your grease fittings clean. At the time when you go to grease them, you don't have to worry about clearing off all the mess.

　　The Grease Fitting Protectors (GFP) deliver a secure seal over most common fittings. They provide excellent protection against contamination. With 10 colours and space for labels, these caps clearly identify what grease is required for the fitting.

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