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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
Wire Gauge Inch Sizes
Gauge
American (A.W.G.) or Brown & Sharpe
United States Standard
British Imperial Standard (S.W.G.)
Old English or London
Birmingham or Stubs
Washburn & Moen
7/0
0.5
0.49
6/0
0.58
0.464
0.4615
5/0
0.5165
.4375
0.432
0.4305
4/0
0.46
.40625
0.4
0.454
0.454
0.3938
3/0
0.4096
.375
0.372
0.425
0.425
0.3625
2/0
0.3648
.34375
0.348
0.380
0.380
0.331
1/0
0.3249
.3125
0.324
0.340
0.340
0.3065
1
0.2893
.28125
0.300
0.300
0.300
0.283
2
0.2576
.265625
0.276
0.284
0.284
0.2625
3
0.2294
.25
0.252
0.259
0.259
0.2437
4
0.2043
.234375
0.232
0.238
0.238
0.2253
5
0.1819
.21875
0.212
0.220
0.220
0.207
6
0.162
.203125
0.192
0.203
0.203
0.192
7
0.1442
.1875
0.176
0.180
0.180
0.177
8
0.1284
.171875
0.16
0.165
0.165
0.162
9
0.1144
.15625
0.144
0.148
0.148
0.1483
10
0.1018
.140625
0.128
0.134
0.134
0.135
11
0.0907
.125
0.116
0.120
0.120
0.1205
12
0.0808
.109375
0.104
0.109
0.109
0.1055
13
0.0719
.09375
0.092
0.095
0.095
0.0915
14
0.064
.078125
0.08
0.083
0.083
0.08
15
0.057
.0703125
0.072
0.072
0.072
0.072
16
0.0508
.0625
0.064
0.065
0.065
0.0625
17
0.0452
.05625
0.056
0.058
0.058
0.054
18
0.0403
.05
0.048
0.049
0.049
0.0475
19
0.0358
.04375
0.04
0.040
0.042
0.041
20
0.0319
.0375
0.036
0.035
0.035
0.0348
21
0.0284
.034375
0.032
0.0315
0.032
0.0317
22
0.0253
.03125
0.028
0.0295
0.028
0.0286
23
0.0225
.028125
0.024
0.027
0.025
0.0258
24
0.0201
.025
0.022
0.025
0.022
0.023
25
0.0179
.021875
0.02
0.023
0.02
0.0204
26
0.0159
.01875
0.018
0.0205
0.018
0.0181
27
0.0141
.0171875
0.0164
0.01875
0.016
0.0173
28
0.0126
.015625
0.0148
0.0165
0.014
0.0162
29
0.0112
.0140625
0.0136
0.0155
0.013
0.015
30
0.01
.0125
0.0124
0.01375
0.012
0.014
31
0.0089
.0109375
0.0116
0.01225
0.01
0.0132
32
0.0079
.01015625
0.0108
0.01125
0.009
0.0128
33
0.007
.009375
0.01
0.01025
0.008
0.0118
34
0.0063
.00859375
0.0092
0.0095
0.007
0.0104
35
0.0056
.0078125
0.0084
0.009
0.005
0.0095
36
0.005
.00703125
0.0076
0.0075
0.004
0.009
37
0.0044
.006640625
0.0068
0.0065
0.0085
38
0.0039
.00625
0.006
0.00575
0.008
39
0.0035
0.0052
0.005
0.0075
40
0.0031
0.0048
0.0045
0.007
41
0.0028
0.0044
0.0066
42
0.00249
0.004
0.0062
43
0.00222
0.0036
0.006
44
0.00198
0.0032
0.0058
45
0.00176
0.0028
0.0055
46
0.00157
0.0024
0.0052
47
0.0014
0.002
0.005
48
0.00124
0.0016
0.0048
49
0.00111
0.0012
0.0046
50
0.00099
0.001
0.0044
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