The most common way to specify a rivet size is by trade size.
Rivet size vs sheet metal 032.
Hole size proper hole size is important to ensure the in tegrity of the fastened joint.
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.
When countersinks are enlarged beyond specified tolerances the next larger size rivet may be used provided pitch and edge margin design requirements are maintained.
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Material thickness each blind rivet is engineered for a specific range of material thickness for which it will be effective.
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.
Also aluminum rivets with aluminum mandrels are the least strong.
Countersunk steel rivet steel mandrel 3 32 sk32bs sk34bs 102203022 102203042 032 125 126 187 275 337 178 198 032 130 170 097 100 1.
And stainless steel rivets with either steel or stainless steel mandrels are the strongest.
This range of material or work thickness is the blind rivet s grip range.
Steel rivets with steel mandrels are stronger still.
When sizing blind rivets the larger the size the stronger the fastened joint in both shear and tensile.
The second number refers to the maximum grip length in 16ths of an inch.
Therefore a size 45 rivet is 4 32 1 8 diameter with a 5 16 maximum 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.
The allowance is normally about 1 5d.
Hole size l max h e 01 shear tensile drill no.
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A 5 32 rivet 0 156 inch 3 96 mm would be used.
With all mentioned parameters you can calculate the desired length of the rivet.
The proper diameter rivet would be 3 x 0 050 0 150 inch 3 x 1 27 3 81 mm.
So a 20 gauge brake has a maximum bending capacity of 036.
The first number refers to the diameter of the rivet in 32nds of an inch.
Also known as peel style rivets the body splits into four legs to fasten plastic and fiberglass to thin material such as sheet metal.
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.
Aluminum rivets with steel mandrels are stronger.
Blind rivets for wood an alternative to wood screws these rivets have a grooved body that expands during installation digging into the wood and creating a secure hold.
Blind rivets often called pop rivets serve a simple purpose in the fastening world.
For example 20 gauge mild steel is 036 thick.
