Fasteners
Building Material
Furniture Hardware
Rigging Hardware
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Castings
Metal Stampings
Promotion
Sockets

Button Head Socket Cap Screws

Nominal Size
D
H
X
S
K
F
L
Head
Diameter
Head
Height
Head Side
Height
Hexagon Socket Size
Key
Engage
ment
Fillet Extension
Max Standard Length
Max
Min
Max
Min
Ref
Nom
Min
Max
Min
Nom
4
5
6
8
0.213
0.238
0.262
0.312
0.201
0.226
0.250
0.298
0.059
0.066
0.073
0.087
0.051
0.055
0.063
0.077
0.015
0.015
0.015
0.015
1/16
5/64
5/64
3/32
0.062
0.078
0.078
0.094
0.035
0.044
0.044
0.052
0.010
0.010
0.010
0.015
0.005
0.005
0.005
0.010
0.50
0.50
0.63
0.75
10
1/4
5/16
3/8
0.361
0.437
0.547
0.656
0.347
0.419
0.527
0.636
0.101
0.132
0.166
0.199
0.091
0.122
0.152
0.185
0.020
0.031
0.031
0.031
1/8
5/32
3/16
7/32
0.125
0.156
0.188
0.219
0.070
0.087
0.105
0.122
0.015
0.020
0.020
0.020
0.010
0.015
0.015
0.015
1.00
1.00
1.00
1.25
1/2
5/8
0.875
1.000
0.851
0.970
0.265
0.331
0.245
0.311
0.046
0.062
5/16
3/8
0.312
0.375
0.175
0.210
0.030
0.030
0.020
0.020
2.00
2.00

Flat Head Socket Cap Screws

Nominal Size
B
D
H
S
K
F
Body Diameter
Head Diameter
Head Height
Hexagon Socket Size
Key
Engage-
ment
Fillet Extension Above 0
Theo-
retical
Sharp
Max
Abs
Min
Refer-
ence
Flush-
ness
Toler-
ance
Max
Min
Nom
Min
Max
4
5
6
8
0.1120
0.1250
0.1380
0.1640
0.1075
0.1202
0.1329
0.1585
0.255
0.281
0.307
0.359
0.218
0.240
0.263
0.311
0.083
0.090
0.097
0.112
0.011
0.012
0.013
0.014
1/16
5/64
5/64
3/32
0.055
0.061
0.066
0.076
0.012
0.014
0.015
0.015
10
1/4
5/16
3/8
0.1900
0.2500
0.3125
0.3750
0.1840
0.2435
0.3053
0.3678
0.411
0.531
0.656
0.781
0.359
0.480
0.600
0.720
0.127
0.161
0.198
0.234
0.015
0.016
0.017
0.018
1/8
5/32
3/16
7/32
0.087
0.111
0.135
0.159
0.015
0.015
0.015
0.015
7/16
1/2
5/8
3/4
0.4375
0.5000
0.6250
0.7500
0.4294
0.4919
0.6163
0.7406
0.844
0.938
1.188
1.438
0.781
0.872
1.112
1.355
0.234
0.251
0.324
0.396
0.018
0.018
0.022
0.024
1/4
5/16
3/8
1/2
0.159
0.172
0.220
0.220
0.015
0.015
0.015
0.015

Socket Head Cap Screws

Nominal
Size or Basic Screw Diameter
B
D
H
S
C
X
K
W
Body Diameter
Head Diameter
Head Height
Head Side Height
Chamfer or
Radius
Hexagon Socket Size
Key Engage-
ment
Wall Thick-
ness
Max
Min
Max
Min
Max
Min
Min
Max
Nom
Min
Min
4
.1120
5
.1250
6
.1380
8
.1640
10
.1900
1/4
.2500
5/16
.3125
3/8
.3750
.1120
.1250
.1380
.1640
.1900
.2500
.3125
.3750
.1075
.1202
.1329
.1585
.1840
.2435
.3053
.3678
.183
.205
.226
.270
.312
.375
.469
.562
.176
.198
.218
.262
.303
.365
.457
.550
.112
.125
.138
.164
.190
.250
.312
.375
.108
.121
.134
.159
.185
.244
.306
.368
.101
.112
.124
.148
.171
.225
.281
.337
.005
.005
.005
.005
.005
.008
.008
.008
3/32
3/32
7/64
9/64
5/32
3/16
1/4
5/16
.094
.094
.109
.141
.156
.188
.250
.312
.051
.057
.064
.077
.090
.120
.151
.182
.038
.043
.047
.056
.065
.095
.119
.143

Low Head Socket Cap Screws

Nominal Size
B
D
H
S
K
F
Basic
Screw Diameter
Head Diameter
Head Height
Socket Size
Engage-
ment
Fillet
Max
Min
Max
Min
Min
Max
Min
8
10
1/4
5/16
0.1640
0.1900
0.2500
0.3125
.270
.312
.375
.437
.265
.307
.369
.431
.082
.095
.125
.156
.079
.092
.121
.152
.0781
.0938
.1250
.1562
.060
.072
.094
.120
.012
.014
.014
.017
.007
.009
.009
.012
3/8
7/16
1/2
0.3750
0.4375
0.5000
.562
.625
.750
.556
.618
.743
.187
.218
.250
.182
.213
.244
.1875
.2188
.2500
.145
.166
.184
.020
.023
.026
.015
.018
.020

Hex Wrench

Nominal Key
Size
F
C
S
L
R
K
Hexagon Width Across Flats
Hexagon
Width Across Corner
Length of
Short Arm
Length of Long Arm
Radius of
Bend
Chamfer
Short Series
Long Series
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
Min
Max
0.028
0.035
0.050
1/16
0.0280
0.0350
0.0500
0.0625
0.0275
0.0345
0.0490
0.0615
0.0314
0.0393
0.0560
0.0701
0.0300
0.0378
0.0540
0.0680
0.312
0.438
0.625
0.656
0.125
0.250
0.438
0.469
1.312
1.312
1.750
1.844
1.125
1.125
1..562
1.656
2.688
2.766
2.938
3.094
2.500
2.578
2.750
2.906
0.062
0.062
0.062
0.062
0.003
0.004
0.006
0.008
5/64
3/32
7/64
1/8
0.0781
0.0937
0.1094
0.1250
0.0771
0.0927
0.1079
0.1235
0.0880
0.1058
0.1238
0.1418
0.0859
0.1035
0.1210
0.1390
0.703
0.750
0.797
0.844
0.516
0.562
0.609
0.656
1.969
2.094
2.219
2.344
1.781
1.906
2.031
2.156
3.281
3.469
3.656
3.844
3.094
3.281
3.469
3.656
0.078
0.094
0.109
0.125
0.008
0.009
0.014
0.015
9/64
5/32
3/16
7/32
0.1406
0.1562
0.1875
0.2187
0.1391
0.1547
0.1860
0.2172
0.1593
0.1774
0.2135
0.2490
0.1566
0.1745
0.2105
0.2460
0.891
0.938
1.031
1.125
0.703
0.750
0.844
0.938
2.469
2.594
2.844
3.094
2.281
2.406
2.656
2.906
4.031
4.219
4.594
4.969
3.844
4.031
4.406
4.781
0.141
0.156
0.188
0.219
0.016
0.016
0.022
0.024
1/4
5/16
3/8
7/16
0.2500
0.3125
0.3750
0.4375
0.2485
0.3110
0.3735
0.4355
0.2845
0.3570
0.4285
0.5005
0.2815
0.3531
0.4238
0.4944
1.219
1.344
1.469
1.594
1.031
1.156
1.281
1.406
3.344
3.844
4.344
4.844
3.156
3.656
4.156
4.656
5.344
6.094
6.844
7.594
5.156
5.906
6.656
7.406
0.250
0.312
0.375
0.438
0.030
0.032
0.044
0.047
1/2
9/16
5/8
3/4
0.5000
0.5625
0.6250
0.7500
0.4975
0.5600
0.6225
0.7470
0.5715
0.6420
0.7146
0.8580
0.5650
0.6356
0.7080
0.8512
1.719
1.844
1.969
2.219
1.531
1.656
1.781
2.031
5.344
5.844
6.344
7.344
5.156
5.656
6.156
7.156
8.344
9.094
9.844
11.344
8.156
8.906
9.656
11.156
0.500
0.562
0.625
0.750
0.050
0.053
0.055
0.070
7/8
1
0.8750
1.0000
0.8720
0.9970
1.0020
1.1470
0.9931
1.1350
2.469
2.719
2.281
2.531
8.344
9.344
8.156
9.156
12.844
14.344
12.656
14.156
0.875
1.000
0.076
0.081

Socket Pipe Plug Flush Seal

Nominal Size
O
Threads Per Inch
S
K
W
L
Tightening
Torque (Inch-Lbs.)
Nominal
O.D.
Hex
Socket Size
Key
Engage-
ment
Wall
Thickness
Overall Length
Min
Min
Max
Min
1/16
1/8
1/4
3/8
0.307
0.401
0.529
0.667
27
27
18
18
5/32
3/16
1/4
5/16
.140
.140
.218
.250
.052
.049
.045
.040
.250
.250
.406
.406
.235
.235
.391
.391
150
250
600
1200
1/2
3/4
1
1-1/4
0.830
1.041
1.302
1.647
14
14
11-1/2
11-1/2
3/8
9/16
5/8
3/4
.312
.312
.375
.437
.067
.054
.112
.102
.531
.531
.656
.656
.516
.516
.641
.641
1800
3000
4200
5400

Socket Pipe Plug Dry Seal

Nominal Size
O
Threads Per Inch
S
K
W
L
Tightening
Torque (Inch-Lbs.)
Nominal
O.D.
Hex
Socket Size
Key
Engage-
ment
Wall
Thickness
Overall Length
Min
Min
Max
Min
1/16
1/8
1/4
3/8
1/2
0.3120
0.4050
0.5400
0.6750
0.8400
27
27
18
18
14
5/32
3/16
1/4
5/16
3/8
.1400
.1400
.2180
.2500
.3120
.0620
.0620
.0730
.0840
.0950
.3240
.3240
.4570
.5200
.5820
.3000
.3000
.4170
.4800
.5420
150
250
600
1200
1800
3/4
1
1-1/4
1-1/2
2
1.0500
1.3150
1.6600
1.9000
2.3750
14
11-1/2
11-1/2
11-1/2
11-1/2
9/16
5/8
3/4
1
1
.3120
.3750
.4370
.4370
.4370
.1250
.1250
.1560
.1560
.1560
.6450
.7700
.8320
.8430
.9060
.6050
.7300
.7920
.7800
.8440
3000
4200
5400
6900
8500

Socket Shoulder Screws

Nominal
Size
A
D
H
Z
S
K
E
F
Shoulder
Diameter
Head Diameter
Head Height
Head Side
 Height
Hexagon
Socket
 Size
Key
Engage-
ment
Head
Fillet
 Extension
Above D
Head
 Fillet
 Radius
Max
Min
Max
Min
Max
Min
Min
Nom
Min
Max
Min
1/4
5/16
3/8
0.2480
0.3105
0.3730
0.2460
0.3085
0.3710
0.375
0.438
0.562
0.357
0.419
0.543
0.188
0.219
0.250
0.177
0.209
0.240
0.157
0.183
0.209
1/8
5/32
3/16
0.094
0.117
0.141
0.014
0.017
0.020
0.009
0.012
0.015
1/2
5/8
3/4
0.4980
0.6230
0.7480
0.4960
0.6210
0.7460
0.750
0.875
1.000
0.729
0.853
0.977
0.312
0.375
0.500
0.302
0.365
0.490
0.262
0.315
0.421
1/4
5/16
3/8
0.188
0.234
0.281
0.026
0.032
0.039
0.020
0.024
0.030

Nominal Size
N
W
T
L
Q
C
B
Shoulder
Neck Diameter
Shoulder Neck Width
Nominal
Thread Size
Threads Per In.
Thread Neck Diameter
Thread Neck
Thread Neck Fillet
Thread
Length
Min
Max
Max
Min
Max
Max
Min
Basic
1/4
5/16
3/8
0.227
0.289
0.352
0.093
0.093
0.093
10
1/4
5/16
24
20
18
0.142
0.193
0.249
0.133
0.182
0.237
0.083
0.100
0.111
0.023
0.028
0.031
0.017
0.022
0.025
0.375
0.438
0.500
1/2
5/8
3/4
0.477
0.602
0.727
0.093
0.093
0.093
3/8
1/2
5/8
16
13
11
0.304
0.414
0.521
0.291
0.397
0.502
0.125
0.154
0.182
0.035
0.042
0.051
0.029
0.036
0.045
0.625
0.750
0.875

Socket Set Screws

Nominal Size
S
K
F
0
D
H
 
A
Hexagon Socket Size
Min Key Engage-
ment
Cup & Flat Point Diameter
Oval
Point
Radius
Half Dog Point
Shortest Length To Which K Applies
Cone Pt.
Angle
90° For
These
Lengths
or Longer
Diameter
Length
Cup & Flat
Points
90°
Cone & Oval Pts.
Half
Dog
Point
Nom
Min
Max
Min
Basic
Max
Min
Max
Min
4
5
6
8
0.050
1/16
1/16
5/64
0.070
0.080
0.080
0.090
0.061
0.067
0.074
0.087
0.051
0.057
0.064
0.076
0.084
0.094
0.104
0.123
0.075
0.083
0.092
0.109
0.070
0.078
0.087
0.103
0.030
0.033
0.038
0.043
0.026
0.027
0.032
0.037
0.19
0.19
0.19
0.19
0.19
0.19
0.25
0.25
0.19
0.19
0.19
0.25
0.19
0.19
0.19
0.25
10
1/4
5/16
3/8
3/32
1/8
5/32
3/16
0.100
0.125
0.156
0.188
0.102
0.132
0.172
0.212
0.088
0.118
0.156
0.194
0.142
0.188
0.234
0.281
0.127
0.156
0.203
0.250
0.120
0.149
0.195
0.241
0.049
0.067
0.082
0.099
0.041
0.059
0.074
0.089
0.19
0.25
0.31
0.38
0.25
0.31
0.44
0.44
0.25
0.31
0.38
0.44
0.25
0.31
0.38
0.44
7/16
1/2
5/8
3/4
7/32
1/4
5/16
3/8
0.219
0.250
0.312
0.375
0.252
0.291
0.371
0.450
0.232
0.270
0.347
0.425
0.328
0.375
0.469
0.562
0.297
0.344
0.469
0.562
0.287
0.334
0.456
0.549
0.114
0.130
0.164
0.196
0.104
0.120
0.148
0.180
0.44
0.50
0.63
0.75
0.63
0.63
0.88
1.00
0.50
0.63
0.88
1.00
0.50
0.57
0.75
0.88
7/8
1
1/2
9/16
0.500
0.562
0.530
0.609
0.502
0.579
0.656
0.750
0.656
0.750
0.642
0.734
0.227
0.260
0.211
0.240
0.88
1.00
1.00
1.25
1.00
1.25
1.00
1.13

青岛奥塔克贸易有限公司版权所有    [management] Statistic: