ASME B18.3 Drilled Hexagon Socket Head Cap Screws



Dimensions of Drilled Hexagon Socket Head Cap Screws
Nom Size or Basic Screw Dia.
U
V
W
Drill Check Plug Dia
Hole Alignment Cheak Plug Dia
Drilled Hole Dia
Head to Center of Hole
Head to Edge of Hole
Type I
Type II
Number
Basic
Max
Min
Min
Basic
Basic
4
0.1120
65
0.0350
0.040
0.026
0.008
0.030
0.033
0.025
5
0.1250
65
0.0350
0.045
0.030
0.012
0.030
0.033
0.025
6
0.1380
65
0.0350
0.050
0.035
0.018
0.030
0.033
0.025
8
0.1640
56
0.0465
0.060
0.040
-
0.035
0.044
0.030
10
0.1900
56
0.0465
0.065
0.045
-
0.035
0.044
0.030
1/4
0.2500
56
0.0465
0.085
0.065
-
0.035
0.044
0.030
5/16
0.3125
56
0.0465
0.104
0.084
-
0.035
0.044
0.030
3/8
0.3750
52
0.0635
0.123
0.103
-
0.052
0.061
0.047
7/16
0.4375
52
0.0635
0.141
0.121
-
0.052
0.061
0.047
1/2
0.5000
52
0.0635
0,160
0.140
-
0.052
0.061
0.047
5/8
0.6250
52
0.0635
0.198
0.178
-
0.052
0.061
0.047
3/4
0.7500
42
0.0935
0.235
0.215
-
0.082
0.091
0.077
7/8
0.8750
42
0.0935
0.273
0.253
-
0.082
0.091
0.077
1
1.0000
42
0.0935
0.310
0.290
-
0.082
0.091
0.077
1-1/8
1.1250
31
0.1200
0.348
0.328
-
0.109
0.117
0.104
1-1/4
1.2500
31
0.1200
0.385
0.365
-
0.109
0.117
0.104
1-3/8
1.3750
31
0.1200
0.423
0.403
-
0.109
0.117
0.104
1-1/2
1.5000
31
0.1200
0.460
0.440
-
0.109
0.117
0.104

Tags: ASME B18.3 Drilled Hexagon 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