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Click Specification

Same specifications, different dimensions for other parts.

Unit:inch

Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 17]

ASME B 18.6.4 - 1998 (R2005)

Display drawing:

美标ASME B18.6.4 - 1998 (R2005) ASME18.6.4 Type I Cross Recessed Flat Countersunk Trim Head Tapping Screws - Type C Thread Forming [Table 17]
Nominal Diameter
d
4# 5# 6# 6# 8# 8# 10# 12# 12# 1/4 1/4 5/16 5/16 3/8
d Nominal Diameter
Code Head Size
ds1 min
dk max
min
k Ref.
M Ref.
t Ref.
N Ref.
Socket No.
Penetration depth max
min
0.1120 0.1250 0.1380 0.1380 0.1640 0.1640 0.1900 0.2160 0.2160 0.2500 0.2500 0.3125 0.3125 0.3750
3 4 4 5 5 6 8 8 10 10 12 12 1/4 5/16
0.106 0.119 0.131 0.131 0.157 0.157 0.181 0.207 0.207 0.240 0.240 0.302 0.302 0.364
0.187 0.212 0.212 0.237 0.237 0.262 0.312 0.312 0.362 0.362 0.412 0.412 0.477 0.597
0.167 0.191 0.191 0.215 0.215 0.238 0.285 0.285 0.333 0.333 0.380 0.380 0.442 0.556
0.052 0.060 0.052 0.068 0.052 0.069 0.085 0.069 0.101 0.080 0.112 0.075 0.116 0.155
0.100 0.122 0.122 0.148 0.158 0.176 0.182 0.192 0.198 0.198 0.262 0.262 0.276 0.358
0.060 0.081 0.081 0.074 0.084 0.102 0.110 0.120 0.124 0.124 0.144 0.144 0.160 0.205
0.018 0.018 0.018 0.027 0.029 0.030 0.030 0.032 0.032 0.032 0.035 0.035 0.036 0.061
1 1 1 2 2 2 2 2 2 2 3 3 3 4
0.061 0.082 0.082 0.075 0.085 0.103 0.110 0.120 0.125 0.125 0.139 0.139 0.154 0.196
0.045 0.066 0.066 0.052 0.062 0.080 0.087 0.097 0.102 0.102 0.116 0.116 0.131 0.174
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JIS B 1122 (AT2) - 1996 		Cross Recessed Countersunk Head Tapping Screws [Table 2]
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59 cross Recessed Trumpet Head Self Drilling Tapping Screw [JIS]
JIS B 1125 - 2003 		cross Recessed Trumpet Head Self Drilling Tapping Screw
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BS 4174 - 1972 		Recess 80°Truncated Countersunk Head Screws - Type Z [Table 11]
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JIS B 1122 (AAT2) - 1996 		Cross Recessed Countersunk Head Tapping Screws - Threaded Portion are of Class 1 to 4 [Annex Attached Table 2]
62 Recess 80°countersunk Head Screws - Type Z [Table 9] [BS]
BS 4174 - 1972 		Recess 80°countersunk Head Screws - Type Z [Table 9]
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JIS B 1125 - 2015 		Flex. Purpose Drilling Tapping Screws
64 Cross Recessed Countersunk (Flat) Head Tapping Screws [NF]
NF E 25-656 - 1994 		Cross Recessed Countersunk (Flat) Head Tapping Screws
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JIS B 1125 - 2015 		Cross Recessed Trumpet Head Self Drilling Tapping Screw
66 Cross-Recessed Flat Countersunk Head Tapping Screws [UNI]
UNI 6955 		Cross-Recessed Flat Countersunk Head Tapping Screws
67 Cross-Recessed Countersunk (Flat) Head Tapping Screws [KS]
KS B 1032 - 2016 (R2021) 		Cross-Recessed Countersunk (Flat) Head Tapping Screws
68 Cross-Recessed Countersunk (Flat) Head Tapping Screws [KS]
KS B 1032 - 2001 		Cross-Recessed Countersunk (Flat) Head Tapping Screws
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AS /NZS 4407 - 1996 		ISO Metric Cross Recessed Countersunk Head Tapping Screws
70 Cross Recessed Countersunk Head Tapping Screws [YJT]
YJT 4058 (WN1413C) 		Cross Recessed Countersunk Head Tapping Screws