For example the hole is 3 16 of an inch in diameter and the measurement from the nail is 0 30 inches.
Rivit size needed for 3 4 inch sheet metal.
A rivet nut is handy for installing a strong threaded insert from one side of sheet metal tubing extrusions and other materials too brittle to support a tapped hole.
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The second number refers to the maximum grip length in 16ths of an inch.
The same as our previous examples.
The greater the diameter of the blind rivet the stronger the join.
Use the table below to determine the length of the blind rivet.
For example a 1 2 inch diameter rivet being used to fasten two one inch thick plates will have to be 2 3 4 inches long.
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With all mentioned parameters you can calculate the desired length of the rivet.
Step 2 drill a 1 8 inch hole through one or more sheets of metal that need to be riveted up to 1 2 inch thick.
The most common way to specify a rivet size is by trade size.
For example two pieces of 0 050 inch 1 27 mm sheet are to be riveted together.
The allowance is normally about 1 5d.
Choose the appropriate rivet size and capacity for the project for example 1 8 inch diameter and 1 2 inch capacity.
The length of the rivet should be equal to the thickness of both objects you are fastening plus 1 5 times the diameter of the rivet s stem.
The proper diameter rivet would be 3 x 0 050 0 150 inch 3 x 1 27 3 81 mm.
Using the thickness we can determine the grip that we will need.
This means that we would need a 6 6 rivet which has a 3 16 inch diameter and a 0 251 0 375 inch grip range.
The head itself is not included in this measurement.
The first number refers to the diameter of the rivet in 32nds of an inch.
Therefore a size 45 rivet is 4 32 1 8 diameter with a 5 16 maximum grip range.
If you are going to join two metal plates with a grip of 13 mm and want to use a 4 8 mm diameter blank rivet the rivet must be 18 mm long.