BS 4174 - 1972 Cross Recess Pan Head Self-Tapping Screws [Table 17]


Unit: inch
英标BS 4174 - 1972 BS4174 4174BS Cross Recess Pan Head Self-Tapping Screws  [Table 17]
Size
2# 4# 6# 8# 10# 12# 14# 16#
dk (mm) max
min
k (mm) max
min
r (mm) Nominal Size
t (mm) max
min
M (mm) Nominal Size
Socket No.
dk (in.) max
min
k (in.) max
min
r (in.) Nominal Size
t (in.) max
min
M (in.) Nominal Size
4.24 5.56 6.86 8.18 9.47 10.8 12.5 15.62
3.94 5.21 6.5 7.77 9.07 10.34 12.01 15.09
1.35 1.73 2.08 2.44 2.79 3.18 3.66 4.52
1.14 1.47 1.83 2.16 2.51 2.84 3.3 4.11
3.35 4.4 5.26 6.2 7.21 8.2 9.47 13.4
1.62 2.11 2.34 2.74 3.15 3.53 4.04 4.85
1.22 1.7 1.88 2.28 2.69 3.07 3.58 4.39
2.44 2.90 3.91 4.29 4.70 6.25 6.73 8.46
1 1 2 2 2 3 3 4
0.167 0.219 0.27 0.322 0.373 0.425 0.492 0.615
0.155 0.205 0.256 0.306 0.357 0.407 0.473 0.594
0.053 0.068 0.082 0.096 0.11 0.125 0.144 0.178
0.045 0.058 0.072 0.085 0.099 0.112 0.13 0.162
0.132 0.173 0.207 0.244 0.284 0.323 0.373 0.527
0.064 0.083 0.092 0.108 0.124 0.139 0.159 0.191
0.048 0.067 0.074 0.090 0.106 0.121 0.141 0.173
0.096 0.114 0.154 0.169 0.185 0.246 0.265 0.333
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