What are the sizes of grease fittings?
What are the sizes of grease fittings?
Grease fittings come in many different styles. There are two grease fittings that are very common. These are the 1/4″-28 thread and the 1/8″ NPT thread. However, there are other less common grease fitting threads in use.
Is there a difference between metric and standard grease fittings?
there IS a difference between metric and american grease fittings. see photo below. metric is on the left, american on right. you can see one is slightly longer then the other which is fatter and the angle of the curve coming in from the tip is different.
Are John Deere grease fittings metric?
21 Piece Metric Grease Fittings Assortment in 6, 8, and 10 mm thread sizes. 21 assorted metric grease fittings in nine of the most popular styles and sizes are contained in an easy-to-handle, sturdy plastic box with six separately labeled and illustrated compartments.
What size drill and tap for a grease fitting?
Grease Fitting Thread Size
| Fitting Thread Size | Tap Drill Selection For Standard Thread Fittings | Drill Size Selection for Spin Drive Fittings |
|---|---|---|
| 1/4″-28 | #3 (for soft metal use #5) | “A” – .234″ Dia. |
| 5/16″-32 | 9/32″ (for soft metal use “J”) | – |
| 1/8″ Pipe | 11/32″ (for soft metal use “R”) | 3/8 – .375″ Dia.* |
| 1/4″ Pipe | 7/16″ | – |
What’s another name for a grease fitting?
Grease fittings, also known as zerk fittings or grease nipples, serve as lubrication points on bearing housings or other mechanical components. Their design provides a secure connection to a grease gun coupler for delivering precise amounts of grease into bearings and other moving systems.
What does ZERT stand for?
Zeroday Emergency Response Team
The Zeroday Emergency Response Team (ZERT), a group of volunteer security researchers who produced emergency patches for zero day attack vulnerabilities in proprietary software.
How much grease should you put in a grease fitting?
Rule of Thumb #2: One Stroke per Inch of Shaft 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.
What size are the grease fittings?
For example, a 1/4-28 inch grease fitting has a nominal diameter of 1/4 inch and has 28 TPI. For metric grease fittings, thread size is the nominal diameter and thread pitch, which is the distance between each thread measured in millimeters.
How many grease fittings?
There are two grease fittings that are very common. These are the 1/4″-28 thread and the 1/8″ NPT thread. However, there are other less common grease fitting threads in use. Here are some ways to identify the threads on your grease fittings.
What size wrench for a metric bolt?
These wrenches can deliver 200-400 ft/lbs. of torque. Metric bolt sizes range from 10 mm to 24 mm. Odd diameters such as 19 mm and 21 mm become common in this range. Standard bolt sizes range from 5/16-inches to 1 inch, again increasing in increments of 1/16-inch.
What are the metric thread sizes?
In general engineering use, calculations can be done by selecting a standard metric thread size from the list which contains metric thread sizes in the diameter range from 1.6 mm (M1.6) to 64 mm (M64). Tolerance class can be selected among the alternatives 6e, 6f, 6g and 4h for bolts and 5H, 6H, 7H and 6G for nuts.
