AN510 REV 7
K
J
FIGURE 2. Slotted Screw Head. (e)
H
ŘA
K
FIGURE 3. Undercut Slotted Head Screws. (e)
TABLE II. Undercut Dimensions, Slotted Head Screws (e)
A
H
K
THREAD
SIZE
MAX
MAX
MIN
MAX
MIN
NO.
0-80 UNF-2A
.060
.025
.018
.011
.007
NO.
1-72 UNF-2A
.073
.030
.023
.014
.009
NO.
2-64 UNF-2A
.086
.036
.028
.022
.015
NO.
3-56 UNF-2A
.099
.041
.034
.025
.017
NO.
4-48 UNF-2A
.112
.047
.039
.028
.020
NO. 5-44 UNF-2A
.125
.053
.043
.024
.016
NO. 6-40 UNF-2A
.138
.058
.048
.027
.017
NO. 8-36 UNF-2A
.164
.070
.059
.032
.021
NO. 10-32 UNF-2A
.190
.081
.069
.047
.034
1/4-28 UNF-2A
.250
.107
.092
.061
.046
(e)
See NOTE 7
2
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