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SOCKET CAP,
SHOULDER, AND SET SCREWS
HEX AND SPLINE KEYS (INCH SERIES)
ASME B18.3-2003 |
TABLE 5C DIMENSIONS OF OPTIONAL CUP
POINTS
|
|
Nominal Size
( Basic Screw Diameter) |
C1 |
C2 |
S |
|
Point Diameter |
Point Diameter |
Point Length |
|
Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
0
1
2
3 |
0.0600
0.0730
0.0860
0.0990 |
0.032
0.038
0.043
0.050 |
0.027
0.033
0.038
0.045 |
0.027
0.035
0.043
0.051 |
0.022
0.030
0.038
0.046 |
0.007
0.008
0.010
0.011 |
0.004
0.005
0.007
0.007 |
4
5
6
8 |
0.1120
0.1250
0.1380
0.1640 |
0.056
0.062
0.069
0.082 |
0.051
0.056
0.062
0.074 |
0.059
0.068
0.074
0.090 |
0.054
0.063
0.068
0.084 |
0.013
0.014
0.017
0.021 |
0.008
0.009
0.012
0.016 |
10
1/4
5/16
3/8 |
0.1900
0.2500
0.3125
0.3750 |
0.095
0.125
0.156
0.187 |
0.086
0.114
0.144
0.174 |
0.101
0.156
0.190
0.241 |
0.095
0.150
0.185
0.236 |
0.024
0.027
0.038
0.041 |
0.019
0.022
0.033
0.036 |
|
7/16
1/2
5/8 |
0.4375
0.5000
0.6250 |
0.218
0.250
0.312 |
0.204
0.235
0.295 |
0.286
0.333
0.425 |
0.281
0.328
0.420 |
0.047
0.054
0.067 |
0.042
0.049
0.062 |
|
Cam-Tech Industries, Inc. only
manufactures up to 5/8" diameter. |
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GENERAL NOTES:
(a) Type A point shown in Fig. 1 is the cup point dimensioned in Table
5A. Types B, C, D, E, F, and G are typical variations of the cup point
which are supplied by some manufacturers.
(b) For dimensions not shown above, refer to Table 5A. |
Reprinted from ASME B18.3-2003,
by permission of The American Society of Mechanical Engineers. All rights
reserved.
Reprinted from ASME B18.3-2003,
by permission of The American Society of Mechanical Engineers. All rights
reserved.
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