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Click Specification

Unit:mm/inch

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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53 Type I Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 32] [ASME]
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60 Type I Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 32] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type I Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 32]
61 Type II Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 34] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Type II Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 34]
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ASME B 18.6.4 - 1998 (R2005) 		Type IA Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F3]
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67 Cross Recessed Pan Head Tapping Screws with Collar - Type C and F [NF]
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68 Cross Recessed Cheese Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 5] [JIS]
JIS B 1122 (AAT5) - 1996 		Cross Recessed Cheese Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 5]
69 Cross Recessed Pan Head Tapping Screws [UNI]
UNI 6954 		Cross Recessed Pan Head Tapping Screws
70 Cross Recessed Pan Head Tapping Screws [NF]
NF E 25-658 - 1994 		Cross Recessed Pan Head Tapping Screws
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JIS B 1122 (AAT1) - 1996 		Cross Recessed Pan Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 1]
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JIS B 1122 (AAT6) - 1996 		Cross Recessed Brazier Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 6]
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