What size wrench do I need for a brake line?
Brake line wrenches (often called flare nut wrenches or simply line wrenches) serve a specific purpose in a mechanic’s toolbox. Several styles exist, but determining which brake line wrench is right for my vehicle isn’t really that hard. Most domestic cars use a 7/16-in. size, while imports typically use a 10 mm.
What are brake line wrenches called?
Flare Nut, Crow’s Foot and Line Wrenches Aside from being called brake wrenches, the United States often refers to this design as a line wrench. In the United Kingdom, however, they’re often referred to as crow’s foot spanners because the open head style resembles the shape of the bird’s feet.
What type of wrench is used to loosen a brake line?
The best tool for removing the fitting is a flare nut wrench. This is an open-ended wrench with five sides for gripping rather than three. Slip the appropriate-sized wrench over the line and slide it down to the nut.
How do you measure brake line fittings?
First, use calipers to measure the thread diameter. The male threads will be slightly smaller than the nominal size, and the female threads will be slightly larger than their nominal size. Next, measure the pitch. For imperial sizes, count the number of crests within a ½” section and multiply it by two to get TPI.
How do you measure a brake line?
Look at the master cylinder where the lines are near each other to see if there are two sizes of tubing. You can also use a 1/4″ open end wrench to gauge your lines. It will fit easily onto 1/4″ line and will bang back and forth on 3/16″ line.
What is a hex key set?
A hex key, also known as an Allen key or Allen wrench, is a small handheld tool that’s used for for driving bolts and screws with a hexagonal socket. He later marketed the new screw head under the name “Allen safety set screw.” Hex keys come in a variety of different sizes, which are measured by across-flats (AF).
How do you remove a rounded nut from a brake line?
You have to use a flarenut wrench for those, they round out easily if you use a regular open wrench. At this point soak it in PB blaster and get a good fitting flarenut wrench to try and get it out.
Where should flare nut spanner should not to be used?
Unlike 12-point ring spanners, 12-point flare nut spanners are not suitable for use on square fastener heads.
How big are SAE and metric flare nut wrenches?
This set comes equipped with both SAE and Metric wrenches covering 12 different fastener sizes to ensure you have the right tool for the job. Set includes 3 SAE and 3 Metric double-ended flare nut wrenches covering sizes 7/16 x 3/8, 9/16 x 1/2, 11/16 x 5/8 in. and 9 x 11, 10 x 12, 13 x 14 mm
What’s the difference between flare nut wrench and box end wrench?
But you may never have heard of a flare nut wrench. These wrenches have a narrow opening that allow the wrench to fit over items. This is different from a box-end wrench that encircles it. It also has thick jaws that increase the contact area with the bolt or nut.
Which is the best brake line flaring tool?
K Tool International Brake Line Flaring Tool, 45 Degree Set. Single, Double, and Bubble Flares, Vise-Mounted, T-Handle Screw Clamp, Easy to Use ; KTI70081 . . . Cal-Van Tools 165 Master Inline Flaring Kit – Double and Single Flares, Brake Flaring Tools. Professional Tool Kit . . . . . . In stock soon.
Why do you need a husky flare nut wrench?
Husky’s 6-piece flare nut wrench set is a must have to complete the DIYer or professional’s tool box. The unique design of the wrench head allows the tool to be placed over tubing, such as brake or fuel lines, and engage the fastening nut with less likelihood of stripping the fastener.