The hex size depends on the fitting type the size of the threads on the other side of the fitting and even the fitting brand. The only sure identifier is the thread size.

Adjustable Wrench Types And Sizes That You Need To Know
An fitting wrench size chart. 050 15 32. Chances are that there will be two eligible wrench sizes that you can use 1 sae 1 mm. Use this handy chart to determine the an fitting size based on corresponding thread sizes. A car mechanic will use a large range of wrench sizes while someone who works on bicycles or. In instance like bolt size 916 there are two different possible wrench fittings on either measurement scale. 044 13 32.
If a 716 wrench slips over the threads but a 38 wrench doesnt you have a 4an fitting. 063 9 16. Download fitting identification charts pdf. Thread size chart for an fittings. 229 f i t t i n g s a c c e s s o r i e s stainless steel grease fittings pkg thread angle overall thread wrench part qty size degree e length c length a size b g 5000 s 10 18 pt. 034 1 4 4 7 16 20 7 16.
Straight 1964 764 34. For some odd reason the automotive industry wants to make an fittings sound like something special. Wrench sizes are a bit easier to figure out than socket sizes since you are not dealing with different ratchet drive sizes. View print catalogue. An size hex size 4. 045 3 8 6 5 8 18 5 8.
Hose fittings. Note that we did not list the hex sizes. 038 11 32. If you encounter this your may need to experience with all four potential wrench sizes. An hex nut size chart male an size chart male npt size chart. Each an size number has its own standard thread size see column three of the chart.
In female thread od in 1 8 2 5 16 24 5 16. Huge selection over 100000 products from the top performance brands. The pit stop usa difference were the experts we help you find a way to win. 027 3 16 3 3 8 24 3 8. While the average fixed wrench set or ratcheting wrench set wont include every single size of wrench youll likely only use a few of them depending on the general use. These are the same thread sizes that have been used in aircraft and industrial applications for many years.
Fitting identification charts an hex nut size chart. Catch cans tanks. 031 9 32. Fuel oil system. 039 5 16 5 1 2 20 1 2. Inch size dash size thread size male thread od.
Hex sizes are not standardized.