Dimensions of Hexagon and Spline Socket Head Cap Screws
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||||||||||||||
Nominal Size or Basic Diameter
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D
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A
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H
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C
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M
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J
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T
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G
|
K
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|||||
Body Diameter
|
Head Diameter
|
Head Height
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Chamfer or Radius
|
Spline Socket Size
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Hexagon Socket Size
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Ket Engagement
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Wall Thickness
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Chamfer or Radius
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||||||
Max
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Min
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Max
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Min
|
Max
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Min
|
Max
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Nom
|
Nom
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Min
|
Min
|
Max
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|||
0
|
0.0600
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0.0600
|
0.0568
|
0.096
|
0.091
|
0.060
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0.057
|
0.004
|
0.060
|
|
0.050
|
0.025
|
0.020
|
0.007
|
1
|
0.0730
|
0.0730
|
0.0695
|
0.118
|
0.112
|
0.073
|
0.070
|
0.005
|
0.072
|
1/16
|
0.062
|
0.031
|
0.025
|
0.007
|
2
|
0.0860
|
0.0860
|
0.0822
|
0.140
|
0.134
|
0.086
|
0.083
|
0.008
|
0.096
|
5/64
|
0.078
|
0.038
|
0.029
|
0.007
|
3
|
0.0990
|
0.0990
|
0.0949
|
0.161
|
0.154
|
0.099
|
0.095
|
0.008
|
0.096
|
5/64
|
0.078
|
0.044
|
0.034
|
0.007
|
4
|
0.1120
|
0.1120
|
0.1075
|
0.183
|
0.176
|
0.112
|
0.108
|
0.009
|
0.111
|
3/32
|
0.094
|
0.051
|
0.038
|
0.008
|
5
|
0.1250
|
0.1250
|
0.1202
|
0.205
|
0.198
|
0.125
|
0.121
|
0.012
|
0.111
|
3/32
|
0.094
|
0.057
|
0.043
|
0.008
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6
|
0.1380
|
0.1380
|
0.1329
|
0.226
|
0.218
|
0.138
|
0.134
|
0.013
|
0.133
|
7/64
|
0.109
|
0.064
|
0.047
|
0.008
|
8
|
0.1640
|
0.1640
|
0.1585
|
0.270
|
0.262
|
0.164
|
0.159
|
0.014
|
0.168
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9/64
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0.141
|
0.077
|
0.056
|
0.008
|
10
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0.1900
|
0.1900
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0.1840
|
0.312
|
0.303
|
0.190
|
0.185
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0.018
|
0.183
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5/32
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0.156
|
0.090
|
0.065
|
0.008
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1/4
|
0.2500
|
0.2500
|
0.2435
|
0.375
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0.365
|
0.250
|
0.244
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0.025
|
0.216
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3/16
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0.188
|
0.120
|
0.095
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0.010
|
5/16
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0.3125
|
0.3125
|
0.3053
|
0.469
|
0.457
|
0.312
|
0.306
|
0.033
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0.291
|
1/4
|
0.250
|
0.151
|
0.119
|
0.010
|
3/8
|
0.3750
|
0.3750
|
0.3678
|
0.562
|
0.550
|
0.375
|
0.368
|
0.040
|
0.372
|
5/16
|
0.312
|
0.182
|
0.143
|
0.010
|
7/16
|
0.4375
|
0.4375
|
0.4294
|
0.656
|
0.642
|
0.438
|
0.430
|
0.047
|
0.454
|
3/8
|
0.375
|
0.213
|
0.166
|
0.015
|
1/2
|
0.5000
|
0.5000
|
0.4919
|
0.750
|
0.735
|
0.500
|
0.492
|
0.055
|
0.454
|
3/8
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0.375
|
0.245
|
0.190
|
0.015
|
5/8
|
0.6250
|
0.6250
|
0.6163
|
0.938
|
0.921
|
0.625
|
0.616
|
0.070
|
0.595
|
1/2
|
0.500
|
0.307
|
0.238
|
0.015
|
3/4
|
0.7500
|
0.7500
|
0.7406
|
1.125
|
1.107
|
0.750
|
0.740
|
0.085
|
0.620
|
5/8
|
0.625
|
0.370
|
0.285
|
0.015
|
7/8
|
0.8750
|
0.8750
|
0.8647
|
1.312
|
1.293
|
0.875
|
0.864
|
0.100
|
0.698
|
3/4
|
0.750
|
0.432
|
0.333
|
0.020
|
1
|
1.0000
|
1.0000
|
0.9886
|
1.500
|
1.479
|
1.000
|
0.988
|
0.114
|
0.790
|
3/4
|
0.750
|
0.495
|
0.380
|
0.020
|
1-1/8
|
1.1250
|
1.1250
|
1.1086
|
1.688
|
1.665
|
1.125
|
1.111
|
0.129
|
-
|
7/8
|
0.875
|
0.557
|
0.428
|
0.020
|
1-1/4
|
1.2500
|
0.2500
|
1.2336
|
1.875
|
1.852
|
1.250
|
1.236
|
0.114
|
-
|
7/8
|
0.875
|
0.620
|
0.475
|
0.020
|
1-3/8
|
1.3750
|
0.3750
|
1.3568
|
2.062
|
2.038
|
1.375
|
1.360
|
0.160
|
-
|
1
|
1.000
|
0.682
|
0.523
|
0.020
|
1-1/2
|
1.5000
|
1.5000
|
1.4818
|
2.250
|
2.224
|
1.500
|
1.485
|
0.176
|
-
|
1
|
1.000
|
0.745
|
0.570
|
0.020
|
1-3/4
|
1.7500
|
1.7500
|
1.7295
|
2.625
|
2.597
|
1.750
|
1.734
|
0.207
|
-
|
1-1/4
|
1.250
|
0.870
|
0.665
|
0.020
|
2
|
2.0000
|
2.0000
|
1.9780
|
3.000
|
2.970
|
2.000
|
1.983
|
0.238
|
-
|
1-1/2
|
1.500
|
0.995
|
0.760
|
0.020
|
2-1/4
|
2.2500
|
2.2500
|
2.2280
|
3.375
|
3.344
|
2.250
|
2.232
|
0.269
|
-
|
1-3/4
|
1.750
|
1.120
|
0.855
|
0.036
|
2-1/2
|
2.5000
|
2.5000
|
2.4762
|
3.750
|
3.717
|
2.500
|
2.481
|
0.300
|
-
|
1-3/4
|
1.750
|
1.245
|
0.950
|
0.036
|
2-3/4
|
2.7500
|
2.7500
|
2.9762
|
4.125
|
4.090
|
2.750
|
2.730
|
0.332
|
-
|
2
|
2.000
|
1.270
|
2.045
|
0.036
|
3
|
3.0000
|
3.0000
|
3.2262
|
4.500
|
4.464
|
3.000
|
3.979
|
0.363
|
-
|
2-1/4
|
2.250
|
1.495
|
1.140
|
0.036
|
3-1/4
|
3.2500
|
3.2500
|
3.4762
|
4.875
|
4.837
|
3.2500
|
3.228
|
0.394
|
-
|
2-1/4
|
2.750
|
1.620
|
1.235
|
0.036
|
3-1/2
|
3.5000
|
3.5000
|
3.4762
|
5.250
|
5.211
|
3.5000
|
3.478
|
0.426
|
-
|
2-3/4
|
2.750
|
1.745
|
1.330
|
0.036
|
3-3/4
|
3.7500
|
3.7500
|
3.7262
|
5.635
|
5.584
|
3.7500
|
3.727
|
0.458
|
-
|
2-3/4
|
3.000
|
1.870
|
1.425
|
0.036
|
4
|
4.0000
|
4.0000
|
3.9762
|
6.000
|
5.958
|
4.0000
|
3.976
|
0.489
|
-
|
3
|
|
1.995
|
1.520
|
0.036
|
Tags: ASME B18.3 Hexagon and Spline Socket Head Cap Screws
General Material:Stainless Steel,Nickel Alloy,Silicon Bronze,Aluminium Bronze,Brass,Naval Brass,Coppe,Copper-Nickel,Aluminum Alloy,Titanium,Alloy Steel,Such as C1008,C1018,C1022,C1035,C1045,40cr,SCM435,35crmoA,42crmoA,AISI4140SS304/A2-70,SS316/A4-80,SS310s,SS309,SS321,SS410,SS317,SS904L,17-4 PH/630,Duplex 2205,Duplex 31803,Nitronic 40,Nitronic 50,Nitronic 60,Nickel Alloy,Hastelloy C276,Inconel 600,Inconel 601,Inconel 625,Inconel 718,Inconel X750,Inconel 800H,Inconel 825,Monel 400,Monel 405,Monel K-500,MP35N,Nickel 200,Nickel 201,Waspaloy)C65500,C64200,C61400,C63000,C63200,C46200,H59,H62,H67,C46400,C11000,90/10 C70600,70/30 C71500,6061-T6,2024-T4,Ti-6Al-4V Grade 5,ASTM B348 Grade 2,ASTM B348 Grade 7,651/S63198
General Surface Finish:Blackoxide,Zinc,Dacromet 500/Dacromet 320,Non-electrolytically Deposited Zinc Flake,Hot-dip Galvanization,Phosphating,Passviation
General Surface Finish:Blackoxide,Zinc,Dacromet 500/Dacromet 320,Non-electrolytically Deposited Zinc Flake,Hot-dip Galvanization,Phosphating,Passviation