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Rivet Size Chart (Full List)

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If you’re a DIY enthusiast or a professional mechanic, you know how important it is to have the right tools for the job.

And when it comes to riveting, having the correct size of rivet is essential for ensuring a strong and secure bond. That’s where a rivet size chart comes in handy.

In this blog post, we’ll go over the basics of rivet sizing and provide a comprehensive rivet size chart to help you choose the right size for your project.

Whether you’re repairing a piece of machinery or working on a craft project, these rivet size chart will give you all the information you need to select the perfect rivet size for the task at hand.

So, let’s get started!

Basic Dimensions and Tolerances of British Standard Pipe Parallel Thread (With a Flank Angle of 55 Degrees) – BSPP

Thread CodeBasic diameterInternal threadExternal thread
Large dia.Medium dia.Small dia.Medium diameter toleranceSmall diameter toleranceA-gradeB-grade
Medium diameter toleranceLarge diameter toleranceMedium diameter toleranceLarge diameter tolerance
G1/8″×289.7289.1478.566+0.170+0.282
0
0
-0.107
0
-0.214
0
-0.214
0
-0.214
G1/4″×1913.15712.30111.445+0.125+0.445-0.125-0.250-0.2500-0.250
G3/8″×1916.66215.80614.950+0.125
0
+0.445
0
0
-0.125
0
-0.250
0
-0.250
0
-0.250
G1/2″×1420.95519.79318.631+0.142
0
+0.541
0
0
-0.142
0
-0.284
0
-0.284
0
-0.284
G5/8″×1422.91121.74920.587+0.142
0
+0.541
0
0
-0.142
0
-0.284
0
-0.284
0
-0.284
G3/4″×1426.44125.27924.117+0.142
0
+0.541
0
0
-0.142
0
-0.284
0
-0.284
0
-0.284
G1″×1133.24931.77030.291+0.180
0
+0.640
0
0
-0.180
0
-0.360
0
-0.360
0
-0.360
G1.1/4″×1141.91040.43138.952+0.180
0
+0.640
0
0
-0.180
0
-0.360
0
-0.360
0
-0.360
G1.1/2″×1147.80346.32444.854+0.180
0
+0.640
0
0
-0.180
0
-0.360
0
-0.360
0
-0.360
G2″×1159.61458.13556.656+0.180
0
+0.640
0
0
-0.180
0
-0.360
0
-0.360
0
-0.360
G2.1/2”X1175.18473.70572.226+0.217
0
+0.640
0
0
-0.217
0
-0.434
0
-0.434
0
-0.434
G3”X1187.88486.40584.926+0.217
0
+0.640
0
0
-0.217
0
-0.434
0
-0.434
0
-0.434
G3.1/2”X11100.33098.85197.372+0.217
0
+0.640
0
0
-0.217
0
-0.434
0
-0.434
0
-0.434

Basic Dimensions and Tolerances of British Standard Pipe Taper Thread (With a Thread Angle of 55 Degrees) – BSPT

Thread designationDiameter over the basic surfaceReference lengthEffective thread lengthAxial displacement deviation of the conical internal thread basic surface (±mm)
Large dia.Medium dia.Small dia.BasicMaxMinBasicMaxMin
R1/8″×289.7289.1478.5664.04.93.16.57.45.61.1
R1/4″×1913.15712.30111.4456.07.34.79.711.08.41.7
R3/8″×1916.66215.80614.9506.47.75.110.111.48.81.7
R1/2″×1420.95519.79318.6318.210.06.413.215.011.42.3
R3/4″×1426.44125.27924.1179.511.37.714.516.312.72.3
R1″×1133.24931.77030.29110.412.78.116.819.114.52.9
R1.1/4″×1141.91040.43138.95212.715.010.419.121.416.82.9
R1.1/2″×1147.80346.32444.84512.715.010.419.121.416.82.9
R2″×1159.61458.13556.65615.918.213.623.425.721.12.9
R2.1/2”X1175.18473.70572.22617.521.014.026.730.223.23.5
R3”X1187.88486.40584.92620.624.117.129.833.326.33.5
R3.1/2”X11100.33098.85197.37222.225.718.731.434.927.93.5

Basic Dimensions and Tolerances of Unified National (Fine) Screw Thread (With a Thread Angle of 60 Degrees) – UNF

Thread designationExternal threadInternal thread
Tolerance gradeTolerance grade
2A2B
Large dia.Medium dia.Small dia.Small dia.Medium dia.Large dia.
Max.Min.Max.Min. Min.Max.Min.Max. 
JIC thread
7/16″×20UNF11.07910.87410.25410.1479.5689.72810.03310.28710.42411.113
1/2″×20UNF12.66712.46111.84111.73211.15611.32811.60811.87512.01712.7
9/16″×18UNF14.25214.03113.33513.22112.57312.75113.08113.37113.5214.288
3/4″×16UNF19.01218.77317.98117.85417.1217.32317.67818.01918.18419.05
7/8″×14UNF22.18421.92321.00620.86920.02520.26920.67621.04621.22422.225
1-1/16″×12UN26.94426.65525.5725.42524.42524.68925.14625.61325.80126.988
1-5/16″×12UN33.29433.00531.9231.77330.77531.03931.49631.96332.15433.338
1-5/8″×12UN41.22940.9439.88539.70538.7138.98939.44639.90140.09441.275
1-7/8″×12UN47.57947.2946.20546.05345.0645.33945.79646.25146.44947.625
2-1/2″×12UN63.45263.16262.07861.9260.93261.21461.67162.12662.33263.5
ORFS thread
9/16″×18UNF14.25214.03113.33513.22112.57312.75113.08113.37113.5214.288
11/16″×16UN17.42717.18816.39616.27415.53515.74816.10416.43116.58917.463
13/16″×16UN20.59920.36119.56819.44418.70718.92319.27919.60619.76620.638
1″×14UNF25.35725.09524.17824.03623.19523.44423.82524.22124.40725.4
1-3/16″×12UN30.11929.8328.74528.59827.627.86428.32128.78828.97930.163
1-7/16″×12UN36.46736.17735.09334.94333.94734.21434.67135.13835.33136.513
1-11/16″×12UN42.81742.52741.44341.2940.29740.56441.02141.48841.68642.863
2″×12UN50.75450.46549.3849.22548.23548.51448.97149.42649.62750.8
SAE thread
5/8″×18UNF15.83915.61814.92314.80314.16114.35114.68114.95815.1115.875
1-1/16″×14UN26.94726.68325.74325.60824.7424.96825.37525.78325.96126.987
Other U.S. standard thread
9/16″×16UN14.25214.01313.22113.10112.3612.57312.92913.25613.41114.288
7/8″×12UN22.18221.89220.80820.66819.66219.93920.39620.85121.03422.225
2-1/4″×12UN57.10456.81555.7355.57554.58554.86455.32155.77655.97657.15
Note: UNC coarse thread series, UNF fine thread series, UNEF extra fine thread series, UN constant pitch series.

Basic Dimensions and Tolerances of National Pipe Taper Thread (With a Thread Angle of 60 Degrees) – NPT

Thread designationDiameter over the basic surfaceThread Length
Large dia.Medium dia.Small dia.Effective lengthLength from end of pipe to basic surface
Z1/8″×2710.2729.5198.76674.572
Z1/4″×1813.57212.44311.3149.55.080
Z3/8″×1817.05515.92614.79710.56.096
Z1/2″×1421.22319.77218.32113.58.028
Z3/4″×1426.56825.11723.666148.611
Z1″×11.533.22831.46129.69417.510.160
Z1.1/4″×11.541.98540.21838.4511810.688
Z1.1/2″×11.548.05446.28744.52018.510.688
Z2″×11.560.09258.32556.5581911.074

Basic Dimensions and Tolerances of Metric Screw Thread (With a Thread Angle of 60 Degrees) – M

Thread DesignationBasic Dia.Internal ThreadExternal Thread
Large Dia.Medium Dia.Small Dia.Tolerance GradeTolerance Grade
6H7H6G
Medium Dia. ToleranceSmall Dia. ToleranceMedium Dia. ToleranceSmall Dia. ToleranceMedium Dia. ToleranceLarge Dia. Tolerance
m10x1109.3508.917+0.150
0
+0.236
0
+0.190
0
+0.300
0
-0.026
-0.138
-0.026
-0.206
m12x11211.35010.917+0.160
0
+0.236
0
+0.200
0
+0.300
0
-0.026
-0.144
-0.026
-0.206
m14x11413.35012.917+0.160
0
+0.236
0
+0.200
0
+0.300
0
-0.026
-0.144
-0.026
-0.206
m12x1.251211.18810.647+0.180
0
+0.265
0
+0.224
0
+0.335
0
-0.028
-0.160
-0.028
-0.240
m14x1.251413.18812.647+0.180
0
+0.265
0
+0.224
0
+0.335
0
-0.028
-0.160
-0.028
-0.240
m12x1.51211.02610.376+0.190
0
+0.300
0
+0.236
0
+0.375
0
-0.032
-0.172
-0.032
-0.268
m14x1.51413.02612.376+0.190
0
+0.300
0
+0.236
0
+0.375
0
-0.032
-0.172
-0.032
-0.268
m16x1.51615.02614.376+0.190
0
+0.300
0
+0.236
0
+0.375
0
-0.032
-0.172
-0.032
-0.268
m18x1.51817.02616.373+0.190
0
+0.300
0
+0.236
0
+0.375
0
-0.032
-0.172
-0.032
-0.268
m20x1.52019.02618.376+0.190
0
+0.300
0
+0.236
0
+0.375
0
-0.032
-0.172
-0.032
-0.268
m22x1.52221.02620.376+0.190
0
+0.300
0
+0.236
0
+0.375
0
-0.032
-0.172
-0.032
-0.268
m24x1.52423.02622.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m26x1.52625.02624.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m27x1.52726.02625.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m30x1.53029.02628.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m33x1.53332.02631.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m36x1.53635.02634.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m39x1.53938.02637.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m42x1.54241.02640.376+0.200
0
+0.300
0
+0.250
0
+0.375
0
-0.032
-0.182
-0.032
-0.268
m27x22725.70124.835+0.224
0
+0.375
0
+0.280
0
+0.475
0
-0.038
-0.208
-0.038
-0.318
m30x23028.70127.835+0.224
0
+0.375
0
+0.280
0
+0.475
0
-0.038
-0.208
-0.038
-0.318
m33x23331.70130.835+0.224
0
+0.375
0
+0.280
0
+0.475
0
-0.038
-0.208
-0.038
-0.318
m36x23634.70133.835+0.224
0
+0.375
0
+0.280
0
+0.475
0
-0.038
-0.208
-0.038
-0.318
m39x23937.70136.835+0.224
0
+0.375
0
+0.280
0
+0.475
0
-0.038
-0.208
-0.038
-0.318
m42x24240.70139.835+0.224
0
+0.375
0
+0.280
0
+0.475
0
-0.038
-0.208
-0.038
-0.318
m45x24543.70142.835+0.224
0
+0.375
0
+0.280
0
+0.475
0
-0.038
-0.208
-0.038
-0.318
m52x25250.70149.835+0.236
0
+0.375
0
+0.300
0
+0.475
0
-0.038
-0.218
-0.038
-0.318
m60x26058.70157.835+0.236
0
+0.375
0
+0.300
0
+0.475
0
-0.038
-0.218
-0.038
-0.318
m64x26462.70161.835+0.236
0
+0.375
0
+0.300
0
+0.475
0
-0.038
-0.218
-0.038
-0.318
m72x27270.70169.835+0.236
0
+0.375
0
+0.300
0
+0.475
0
-0.038
-0.218
-0.038
-0.318

Conclusion

To sum up, a rivet size chart is an invaluable tool for anyone working with rivets. Choosing the right size of rivet is crucial for ensuring a strong and secure bond, and using the chart provided in this blog post can help you make the right choice.

By understanding the basics of rivet sizing and consulting the chart, you can be confident that you’re selecting the perfect size for your project.

Whether you’re repairing machinery or creating a work of art, having the correct size of rivet will help you achieve the best possible results.

So, next time you’re working with rivets, make sure to refer to a reliable rivet size chart to get the job done right.

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