Blind rivets often called pop rivets serve a simple purpose in the fastening world.
Rivet size vs sheet metal 032.
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The proper diameter rivet would be 3 x 0 050 0 150 inch 3 x 1 27 3 81 mm.
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.
For example two pieces of 0 050 inch 1 27 mm sheet are to be riveted together.
This range of material or work thickness is the blind rivet s grip range.
The maximum capacity of a sheet metal brake or shear is based on the total thickness gauge of mild steel at its full length.
A 5 32 rivet 0 156 inch 3 96 mm would be used.
Also known as peel style rivets the body splits into four legs to fasten plastic and fiberglass to thin material such as sheet metal.
To fasten materials together while having access to only one side that is how they came to be known as blind rivets since you re attaching the rivet blind to whatever may be on the other side of your workpiece.
When countersinks are enlarged beyond specified tolerances the next larger size rivet may be used provided pitch and edge margin design requirements are maintained.
The allowance is normally about 1 5d.
Trade sizes part numbers.
So a 20 gauge brake has a maximum bending capacity of 036.
Material thickness each blind rivet is engineered for a specific range of material thickness for which it will be effective.
Hole size proper hole size is important to ensure the in tegrity of the fastened joint.
For example 20 gauge mild steel is 036 thick.
And stainless steel rivets with either steel or stainless steel mandrels are the strongest.
Pop rivets all steel dome head large flange head 120ยบ countersunk head head style alloy dia mfg part byler part grip range dimensions min strength lbs.
The second number refers to the maximum grip length in 16ths of an inch.
Diameter and spacing of the blind rivets.
When sizing blind rivets the larger the size the stronger the fastened joint in both shear and tensile.
Hole size l max h e 01 shear tensile drill no.
Steel rivets with steel mandrels are stronger still.
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Also aluminum rivets with aluminum mandrels are the least strong.
Burrs may be removed from rivet holes by chamfering to a depth not to exceed 10 percent of the stock thickness or 0 032 inch whichever is less.
The most common way to specify a rivet size is by trade size.
With all mentioned parameters you can calculate the desired length of the rivet.
