BS 4174 - 1972 Cross Recess 80° truncated Raised Countersunk Head Screws [Table 15]


Unit: inch
英标BS 4174 - 1972 BS4174 4174BS Cross Recess  80° truncated Raised Countersunk Head Screws [Table 15]
Size
2# 4# 6# 8# 10# 12# 14# 16#
dk (mm) max
min
k (mm) max
min
f (mm) Nominal Size
t (mm) max
min
M (mm) Nominal Size
Socket No.
dk (in.) max
min
k (in.) max
min
f (in.) Nominal Size
t (in.) max
min
M (in.) Nominal Size
4.37 5.71 7.09 8.43 9.78 11.13 12.88 16.13
3.73 4.95 6.2 7.42 8.64 9.88 11.48 14.43
0.91 1.19 1.5 1.78 2.06 2.34 2.72 3.4
0.71 0.96 1.22 1.47 1.73 1.98 2.34 2.95
0.64 0.84 1.02 1.22 1.4 1.6 1.83 2.29
1.62 2.34 2.74 3.12 3.56 3.94 4.47 5.87
1.22 1.93 2.29 2.67 3.1 3.48 4.03 5.41
2.41 3.12 4.29 4.65 5.08 6.63 7.11 9.47
1 1 2 2 2 3 3 4
0.172 0.225 0.279 0.332 0.385 0.438 0.507 0.635
0.147 0.195 0.244 0.292 0.34 0.389 0.452 0.568
0.036 0.047 0.059 0.07 0.081 0.092 0.107 0.134
0.028 0.038 0.048 0.058 0.068 0.078 0.092 0.116
0.025 0.033 0.04 0.048 0.055 0.063 0.072 0.09
0.064 0.092 0.108 0.123 0.140 0.155 0.176 0.231
0.048 0.076 0.090 0.105 0.122 0.137 0.158 0.213
0.095 0.123 0.169 0.183 0.200 0.261 0.280 0.373
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