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Cross Recess Pan Head Self-tapping Screws [Table 17]

BS 4174 - 1972

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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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