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ASME B18.3-2003
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Cam-Tech Industries, Inc. your source for high quality socket set screws.

            

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.

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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