ASME B18.3 Low Head Hexagon Socket Cap Screws



Nominal Size or Basic Screw Diameter
D
A
H
C
J
T
K
Body Diameter
Head Diameter
Head Height
Chamfer or Radius
Hexagon Socket Size
Key Engagement
Chamfer or Radius
Max
Min
Max
Min
Max
Min
Max
Nom
Min
Max
4
0.1120
0.1120
0.1075
0.183
0.178
0.059
0.053
0.009
　-
0.050
0.038
0.008
5
0.1250
0.1250
0.1202
0.205
0.200
0.065
0.059
0.012
1/16
0.062
0.044
0.008
6
0.1380
0.1380
0.1329
0.226
0.221
0.072
0.066
0.013
1/16
0.062
0.050
0.008
8
0.1640
0.1640
0.1585
0.270
0.265
0.085
0.079
0.014
5/64
0.078
0.060
0.008
10
0.1900
0.1900
0.1840
0.312
0.307
0.098
0.092
0.018
3/32
0.094
0.072
0.008
1/4
0.2500
0.2500
0.2435
0.375
0.369
0.127
0.121
0.025
1/8
0.125
0.094
0.010
5/16
0.3125
0.3125
0.3053
0.437
0.431
0.158
0.152
0.033
5/32
0.156
0.110
0.010
3/8
0.3750
0.3750
0.3678
0.562
0.556
0.192
0.182
0.040
3/16
0.188
0.115
0.010
7/16
0.4375
0.4375
0.4294
0.625
0.618
0.223
0.213
0.047
7/32
0.219
0.135
0.015
1/2
0.5000
0.5000
0.4919
0.750
0.743
0.254
0.244
0.055
1/4
0.250
0.151
0.015
5/8
0.6250
0.6250
0.6163
0.875
0.867
0.316
0.306
0.070
5/16
0.312
0.250
0.015

Tags: ASME B18.3 Low Head Hexagon Socket 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