|
Slotted Flat Countersunk Head ANSI/ASME B18.6.1 1981 | ||||||||
|
Nomial size |
Head Dia. |
Head Height |
Slot Width |
Slot Depth |
Fillet Radius | |||
|
Max |
Min |
Ref. |
Max |
Min |
Max |
Min |
Max | |
|
0 |
.119 |
.099 |
.035 |
.023 |
.016 |
.015 |
.010 |
.031 |
|
1 |
.146 |
.123 |
.043 |
.026 |
.019 |
.019 |
.012 |
.031 |
|
2 |
.172 |
.147 |
.051 |
.031 |
.023 |
.023 |
.015 |
.031 |
|
3 |
.199 |
.171 |
.059 |
.035 |
.027 |
.027 |
.017 |
.031 |
|
4 |
.225 |
.195 |
.067 |
.039 |
.031 |
.030 |
.020 |
.031 |
|
5 |
.252 |
.220 |
.075 |
.043 |
.035 |
.034 |
.022 |
.062 |
|
6 |
.279 |
.244 |
.083 |
.048 |
.039 |
.038 |
.024 |
.062 |
|
7 |
.305 |
.268 |
.091 |
.048 |
.039 |
.041 |
.027 |
.062 |
|
8 |
.332 |
.292 |
.100 |
.054 |
.045 |
.045 |
.029 |
.062 |
|
9 |
.358 |
.316 |
.108 |
.054 |
.045 |
.049 |
.032 |
.062 |
|
10 |
.385 |
.340 |
.116 |
.060 |
.050 |
.053 |
.034 |
.062 |
|
12 |
.438 |
.389 |
.132 |
.067 |
.056 |
.060 |
.039 |
.062 |
|
14 |
.507 |
.452 |
.153 |
.075 |
.064 |
.070 |
.046 |
.093 |
|
16 |
.544 |
.485 |
.164 |
.075 |
.064 |
.075 |
.049 |
.093 |
|
18 |
.635 |
.568 |
.191 |
.084 |
.072 |
.083 |
.054 |
.093 |
|
20 |
.650 |
.582 |
.196 |
.084 |
.072 |
.090 |
.059 |
.093 |
|
24 |
.762 |
.685 |
.230 |
.094 |
.081 |
.106 |
.070 |
.093 |
|
Phillips Flat Countersunk Head ANSI/ASME B18.6.1 1981 | ||||||||
|
Nomial
size |
Recess Dia. |
Recess Depth |
Recess Width |
Driver Size |
Recess Penetration Gaging Depth | |||
|
Max |
Min |
Max |
Max |
Min |
Max |
Min | ||
|
0 |
.069 |
.056 |
.044 |
.028 |
.018 |
0 |
.037 |
.021 |
|
1 |
.077 |
.064 |
.052 |
.036 |
.018 |
0 |
.045 |
.029 |
|
2 |
.102 |
.089 |
.063 |
.047 |
.029 |
1 |
.053 |
.037 |
|
3 |
.107 |
.094 |
.068 |
.052 |
.029 |
1 |
.058 |
.042 |
|
4 |
.128 |
.115 |
.089 |
.073 |
.030 |
1 |
.079 |
.063 |
|
5 |
.154 |
.141 |
.086 |
.068 |
.041 |
2 |
.071 |
.053 |
|
6 |
.174 |
.161 |
.107 |
.089 |
.041 |
2 |
.091 |
.073 |
|
7 |
.189 |
.176 |
.121 |
.103 |
.041 |
2 |
.107 |
.089 |
|
8 |
.204 |
.191 |
.136 |
.118 |
.041 |
2 |
.122 |
.104 |
|
9 |
.214 |
.201 |
.148 |
.130 |
.042 |
2 |
.132 |
.114 |
|
10 |
.258 |
.245 |
.146 |
.128 |
.056 |
3 |
.125 |
.107 |
|
12 |
.283 |
.270 |
.173 |
.155 |
.057 |
3 |
.151 |
.133 |
|
14 |
.283 |
.270 |
.173 |
.155 |
.057 |
3 |
.151 |
.133 |
|
16 |
.303 |
.290 |
.193 |
.175 |
.057 |
3 |
.171 |
.153 |
|
18 |
.365 |
.352 |
.220 |
.202 |
.086 |
4 |
.193 |
.175 |
|
20 |
.378 |
.365 |
.233 |
.215 |
.086 |
4 |
.206 |
.188 |
|
24 |
.393 |
.380 |
.248 |
.230 |
.086 |
4 |
.222 |
.204 |