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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
O-Ring Sizes
AS568 Size
Inch Dimensions
Metric Dimensions
Nominal Inside Diameter
Actual Inside Diameter
Tol. ±
Nominal Outside Diameter
Actual Outside Diameter
Cross Section
Tol. ±
Inside Diameter
Outside Diameter
Cross Section
Tol. ±
-001
1/32
0.029
0.004
3/32
0.109
0.04
0.003
0.74
2.78
1.02
0.08
-002
3/64
0.042
0.004
9/64
0.142
0.05
0.003
1.07
3.61
1.27
0.08
-003
1/16
0.056
0.004
3/16
0.176
0.06
0.003
1.42
4.48
1.53
0.08
-004
5/64
0.07
0.005
13/64
0.210
0.07
0.003
1.78
5.34
1.78
0.08
-005
3/32
0.101
0.005
7/32
0.241
0.07
0.003
2.57
6.13
1.78
0.08
-006
1/8
0.114
0.005
1/4
0.254
0.07
0.003
2.90
6.46
1.78
0.08
-007
5/32
0.145
0.005
9/32
0.285
0.07
0.003
3.69
7.25
1.78
0.08
-008
3/16
0.176
0.005
5/16
0.316
0.07
0.003
4.47
8.03
1.78
0.08
-009
7/32
0.208
0.005
11/32
0.348
0.07
0.003
5.29
8.85
1.78
0.08
-010
1/4
0.239
0.005
3/8
0.379
0.07
0.003
6.07
9.63
1.78
0.08
-011
5/16
0.301
0.005
7/16
0.441
0.07
0.003
7.65
11.21
1.78
0.08
-012
3/8
0.364
0.005
1/2
0.504
0.07
0.003
9.25
12.81
1.78
0.08
-013
7/16
0.426
0.005
9/16
0.566
0.07
0.003
10.82
14.38
1.78
0.08
-014
1/2
0.489
0.005
5/8
0.629
0.07
0.003
12.42
15.98
1.78
0.08
-015
6/16
0.551
0.007
11/16
0.691
0.07
0.003
14.00
17.56
1.78
0.08
-016
5/8
0.614
0.009
3/4
0.754
0.07
0.003
15.60
19.16
1.78
0.08
-017
11/16
0.676
0.009
13/16
0.816
0.07
0.003
17.17
20.73
1.78
0.08
-018
3/4
0.739
0.009
7/8
0.879
0.07
0.003
18.77
22.33
1.78
0.08
-019
13/16
0.801
0.009
15/16
0.941
0.07
0.003
20.35
23.91
1.78
0.08
-020
7/8
0.864
0.009
1
1.004
0.07
0.003
21.95
25.51
1.78
0.08
-021
15/16
0.926
0.009
1-1/16
1.066
0.07
0.003
23.52
27.08
1.78
0.08
-022
1
0.989
0.010
1-1/8
1.129
0.07
0.003
25.12
28.68
1.78
0.08
-023
1-1/16
1.051
0.010
1-3/16
1.191
0.07
0.003
26.70
30.26
1.78
0.08
-024
1-1/8
1.114
0.010
1-1/4
1.254
0.07
0.003
28.30
31.86
1.78
0.08
-025
1-3/16
1.176
0.011
1-5/16
1.316
0.07
0.003
29.87
33.43
1.78
0.08
-026
1-1/4
1.239
0.011
1-3/8
1.379
0.07
0.003
31.47
35.03
1.78
0.08
-027
1-5/16
1.301
0.011
1-7/16
1.441
0.07
0.003
33.05
36.61
1.78
0.08
-028
1-3/8
1.364
0.013
1-1/2
1.504
0.07
0.003
34.65
38.21
1.78
0.08
-029
1-1/2
1.489
0.013
1-5/8
1.629
0.07
0.003
37.82
41.38
1.78
0.08
-030
1-5/8
1.614
0.013
1-3/4
1.754
0.07
0.003
41.00
44.56
1.78
0.08
-031
1-3/4
1.739
0.015
1-7/8
1.879
0.07
0.003
44.17
47.73
1.78
0.08
-032
1-7/8
1.864
0.015
2
2.004
0.07
0.003
47.35
50.91
1.78
0.08
-033
2
1.989
0.018
2-1/8
2.129
0.07
0.003
50.52
54.08
1.78
0.08
-034
2-1/8
2.114
0.018
2-1/4
2.254
0.07
0.003
53.70
57.26
1.78
0.08
-035
2-1/4
2.239
0.018
2-3/8
2.379
0.07
0.003
56.87
60.43
1.78
0.08
-036
2-3/8
2.364
0.018
2-1/2
2.504
0.07
0.003
60.04
63.60
1.78
0.08
-037
2-1/2
2.489
0.018
2-5/8
2.629
0.07
0.003
63.22
66.78
1.78
0.08
-038
2-5/8
2.614
0.020
2-3/4
2.754
0.07
0.003
66.40
69.96
1.78
0.08
-039
2-3/4
2.739
0.020
2-7/8
2.879
0.07
0.003
69.57
73.13
1.78
0.08
-040
2-7/8
2.864
0.020
3
3.004
0.07
0.003
72.75
76.31
1.78
0.08
-041
3
2.989
0.024
3-1/8
3.129
0.07
0.003
75.92
79.48
1.78
0.08
-042
3-1/4
3.239
0.024
3-3/8
3.379
0.07
0.003
82.27
85.83
1.78
0.08
-043
3-1/2
3.489
0.024
3-5/8
3.629
0.07
0.003
88.62
92.18
1.78
0.08
-044
3-3/4
3.739
0.027
3-7/8
3.879
0.07
0.003
94.97
98.53
1.78
0.08
-045
4
3.989
0.027
4-1/8
4.129
0.07
0.003
101.32
104.88
1.78
0.08
-046
4-1/4
4.239
0.030
4-3/8
4.379
0.07
0.003
107.67
111.23
1.78
0.08
-047
4-1/2
4.489
0.030
4-5/8
4.629
0.07
0.003
114.02
117.58
1.78
0.08
-048
4-3/4
4.739
0.030
4-7/8
4.879
0.07
0.003
120.37
123.93
1.78
0.08
-049
5
4.989
0.037
5-1/8
5.129
0.07
0.003
126.72
130.28
1.78
0.08
-050
5-1/4
5.239
0.037
5-3/8
5.379
0.07
0.003
133.07
136.63
1.78
0.08
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