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  • AN ISO 9001-2008 | 14001-2004 | OHSAS 18001-2007 | PED CERTIFIED 97/23/EC
Ratnam Steel

Socket Set Screw

Ratnam Steel is one of the leading Manufacturer of Socket Set Screw in india, we are award winning Supplier of Socket Set Screw in india, We are ISO Certified and best quality product Exporter of Socket Set Screw in india. Ratnam Steel is 4th Largest Stockist of Socket Set Screw in india. We are continuously expanding our product line as a Stockholder of Socket Set Screw in india and Trader of Socket Set Screw in india and provides our products to client in a combination of good grades, thickness, length, and surface finish. To fulfil Emerging customers need we Started working as a distributor and becomes largest Distributor of Socket Set Screw in india. 

WHAT WE DO ?

  • Socket Set Screw manufacturers in india
  • Socket Set Screw suppliers in india
  • Socket Set Screw exporters in india
  • Socket Set Screw distributors in india
  • Socket Set Screw traders in india
  • Socket Set Screw stockist in india
  • Socket Set Screw stockholder in india
  • Socket Set Screw wholesaler in india
  • Socket Set Screw importers in india
  • Socket Set Screw manufacturer in Mumbai, Maharashtra
  • Socket Set Screw manufacturers in Rajkot, Gujarat

 

Socket Set Screws Dimensions

SOCKETS

Button Head Socket Cap Screws

Button Head Socket Cap Screws 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

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

Socket Head Cap Screws 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

Low Head Socket Cap Screws Socket Head 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 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 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

Socket Shoulder Screws Socket Head Cap 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

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

 

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