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TRAPPIST-1 Orrery
Ferguson's Mechanical Paradox Orrery
Miniature Inner Planet Orrery
Cometarium
Nearest Stars
Mechanical Paradox Demonstrator
Napier's Bones
Genaille Lucas Calculating Rulers
Machinist's Clock
ThinkWeights
Lever Paradox
HP-01 Battery Tool
AWG Copper Wire Properties
Center Drill Dimensions
Drill Size & Decimal Equivalents
Imperial Tap Chart
Keyway Dimensions
Melting Points
Metric Tap Chart
O-Ring Sizes
Pipe Threads
Screw Extractors
Sheet Metal Gauges & Weights
Socket Head Cap Screws
Taper Calculations
Taper Pins
Taper Shank Dimensions
Washer Sizes
Wire Gauges
Wood Screw Dimensions
Sheet Metal Gauges and Weights
These are American (Brown & Sharpe) Gauges.
Gauge (ga)
Standard Steel
Galvanized Steel
Stainless Steel
Aluminum, Brass, Copper
Thickness
Weight
Thickness
Weight
Thickness
Weight
Thickness
Aluminum Weight
Brass Weight
Copper Weight
inch
mm
(lb/ft
2
)
inch
mm
(lb/ft
2
)
inch
mm
(lb/ft
2
)
inch
mm
(lb/ft
2
)
(lb/ft
2
)
(lb/ft
2
)
3
0.2391
6.073
10
0.2294
5.827
9.819
10.392
4
0.2242
5.095
9.375
0.2344
5.954
0.2043
5.189
8.745
9.2550
5
0.2092
5.314
8.750
0.2187
5.555
0.1819
4.620
7.788
8.2420
6
0.1943
4.935
8.125
0.2031
5.159
0.1620
4.115
2.286
6.935
7.340
7
0.1793
4.554
7.500
0.1875
4.763
7.871
0.1443
3.665
2.036
6.175
6.536
8
0.1644
4.176
6.875
7.031
0.165
4.191
6.930
0.1285
3.264
1.813
5.499
5.821
9
0.1495
3.797
6.250
0.1532
3.891
6.406
0.1562
3.967
0.1144
2.906
1.614
4.898
5.183
10
0.1345
3.416
5.625
0.1382
3.510
5.781
0.1406
3.571
5.670
0.1019
2.588
1.438
4.361
4.616
11
0.1196
3.038
5.000
0.1233
3.132
5.156
0.125
3.175
5.040
0.0907
2.304
1.280
3.884
4.110
12
0.1046
2.657
4.375
0.1084
2.753
4.531
0.1094
2.779
4.410
0.0808
2.052
1.140
3.457
3.650
13
0.0897
2.278
3.750
0.0934
2.372
3.906
0.0937
2.380
0.0720
1.829
1.016
3.080
3.250
14
0.0747
1.897
3.125
0.0785
1.994
3.281
0.0781
1.984
3.150
0.0641
1.628
0.905
2.743
2.900
15
0.0673
1.709
2.813
0.071
1.803
2.969
0.0703
1.786
0.0571
1.450
0.806
2.442
2.585
16
0.0598
1.519
2.500
0.0635
1.613
2.656
0.0625
1.588
2.520
0.0508
1.290
0.717
2.175
2.302
17
0.0538
1.367
2.250
0.0575
1.461
2.406
0.0562
1.427
0.0453
1.151
0.639
1.937
2.050
18
0.0478
1.214
2.000
0.0516
1.311
2.156
0.05
1.270
2.016
0.0403
1.024
0.569
1.725
1.825
19
0.0418
1.062
1.750
0.0456
1.158
1.906
0.0437
1.110
0.0359
0.912
0.507
1.536
1.626
20
0.0359
0.912
1.500
0.0396
1.006
1.656
0.0375
0.953
1.512
0.0320
0.813
0.452
1.367
1.448
21
0.0329
0.836
1.375
0.0366
0.930
1.531
0.0344
0.874
0.0285
0.724
0.402
1.218
1.289
22
0.0299
0.759
1.250
0.0336
0.853
1.406
0.0312
0.792
1.260
0.0253
0.643
0.357
1.085
1.148
23
0.0269
0.683
1.125
0.0306
0.777
1.281
0.0281
0.714
0.0226
0.574
0.319
0.965
1.023
24
0.0239
0.607
1.000
0.0276
0.701
1.156
0.025
0.635
1.008
0.0211
0.536
0.284
0.860
0.910
25
0.0209
0.531
0.875
0.0247
0.627
1.031
0.0219
0.556
0.0179
0.455
0.253
0.766
0.811
26
0.0179
0.455
0.750
0.0217
0.551
0.906
0.0187
0.475
0.756
0.0159
0.404
0.224
0.682
0.722
27
0.0164
0.417
0.688
0.0202
0.513
0.844
0.0172
0.437
0.0142
0.361
0.200
0.608
0.643
28
0.0149
0.378
0.625
0.0187
0.475
0.781
0.0156
0.396
0.0126
0.320
0.178
0.541
0.573
29
0.0135
0.343
0.563
0.0172
0.437
0.719
0.0141
0.358
0.0113
0.287
0.160
0.482
0.510
30
0.0120
0.305
0.500
0.0157
0.399
0.656
0.0125
0.318
0.0100
0.254
0.141
0.429
0.454
31
0.0105
0.267
0.0142
0.361
0.0109
0.277
0.0089
0.226
0.382
0.404
32
0.0097
0.246
0.0134
0.340
0.0102
0.259
0.008
0.203
0.340
0.350
33
0.0090
0.229
0.0094
0.239
0.0071
0.180
0.303
0.321
34
0.0082
0.208
0.0086
0.218
0.0063
0.160
0.269
0.286
35
0.0075
0.191
0.0078
0.198
0.0056
0.142
0.240
0.234
36
0.0067
0.170
0.007
0.178
0.0050
0.127
0.214
0.225
37
.0064
0.163
.0066
0.168
0.00445
0.113
0.191
0.202
38
0.0067
0.170
.0062
0.157
0.00396
0.101
0.170
0.180
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