Are grease fittings metric?
Metric Grease Fittings are available in both regular and stainless steel. Metric Grease Fittings are also referred to as Metric Zerk Fittings, Metric Lubrication Fittings, Metric Hydraulic Fittings, and Metric Zerks.
How do you tell if a grease fitting is metric or standard?
The best way to determine thread pitch of a grease fitting is to compare the threads to something with a known thread. A thread pitch gauge is the ideal tool for this but you can also compare the grease fitting threads to a known bolt thread, pipe thread, or another grease fitting.
What are the 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.
Are there different size grease fittings?
The most common standard grease fitting size is 1/4″‑28 SAE‑LT and is often used in automotive applications. They can also be found in agricultural environments as well as other various standard duty applications. For heavy duty applications, larger 1/8″‑27 PTF zerk fittings can be found.
Are grease fittings different sizes?
There are a wide variety of grease fitting sizes and styles available to choose from, but determining the correct size for your needs can be boiled down to just critical 3 dimensions.
Are there different size grease couplers?
Standard, Giant, and Metric Button Head Couplers fit to button head grease fittings with selection based on size of fitting. Grease Gun Adapter Kits are a must-have for any lubrication specialist.
What is a ZERK?
zerk in American English (zɜrk ) noun. a small metal fitting through which grease can be inserted into a mechanical joint that requires periodic lubrication.
What size is a number 3 drill?
7/32″
| To Tap This Size Screw Or Bolt: | Use This Drill Bit: | (Closest Fractional:) |
|---|---|---|
| 1/4-28 NF | #3 | 7/32″ |
| 1/4-32 NEF | 7/32″ | 7/32″ |
| 1/4-40 NS | #1 | – |
| 7mm-1.00mm | 6.1mm | 15/64″ |
How much grease is enough?
Rule of Thumb #2: One Stroke per Inch of Shaft This rule of thumb depends entirely on the grease gun. Different grease guns deliver different volumes of grease per stroke. It would probably be better to say 2 or 3 grams per inch of shaft diameter. Most grease guns deliver a volume close to this figure.