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Click Specification

Unit:mm

Slotted Countersunk Head Tapping Screws

CNS 4303 - 2000

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台湾CNS 4303 - 2000 CNS4303 4303CNS Slotted Countersunk Head Tapping Screws
Thread Size
d
ST2.2 ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8 ST9.5
P Pitch
dk Theor. max
Actual max
min
k
n Nominal Size
min
max
t min
max
0.8 1. 1 1.3 1.4 1.6 1.8 1.8 2.1 2.1
4.4 6.3 8.2 9.4 10.4 11.5 12.6 17.3 20
3.8 5.5 7.3 8.4 9.3 10.3 11.3 15.8 18.3
3.5 5.2 6.9 8 8.9 9.9 10.9 15.4 17.8
1.1 1.7 2.35 2.6 2.8 3 3.15 4.65 5.25
0.5 0.8 1 1.2 1.2 1.6 1.6 2 2
0.56 0.86 1.06 1.26 1.26 1.66 1.66 2.06 2.56
0.7 1 1.2 1.51 1.51 1.91 1.91 2.31 2.81
0.4 0.6 0.9 1 1.1 1.1 1.2 1.8 2
0.6 0.85 1.2 1.3 1.4 1.5 1.6 2.3 2.6
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1 Slotted Countersunk Head Tapping Screws [DIN]
DIN 7972 - 1990 		Slotted Countersunk Head Tapping Screws

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2 Slotted Countersunkhead Tapping Screws [DIN EN ISO]
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10 Metric Slotted Countersunk Head Tapping Screws [Table 8] [ASME]
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17 Slotted Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 13] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Slotted Undercut Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table 13]
18 Slotted 100° Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI1] [ASME]
ASME B 18.6.4 - 1998 (R2005) 		Slotted 100° Flat Countersunk Head Tapping Screws - Type AB Thread Forming [Table VI1]
19 82° Slotted Undercut 82-deg Flat Countersunk Head Tapping Screws [Table 9] [ASME]
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21 Slotted Countersunk Head Tapping Screws [Table 6] [JIS]
JIS B 1115 (T6) - 2015 		Slotted Countersunk Head Tapping Screws [Table 6]
22 Slotted Countersunk Head Tapping Screws [NF]
NF E 25-660 - 1994 		Slotted Countersunk Head Tapping Screws
23 Slotted Countersunk Head Tapping Screws [Table 2] [JIS]
JIS B 1115 (T2) - 1996 		Slotted Countersunk Head Tapping Screws [Table 2]
24 Slotted 80° Truncated Countersunk Head Screws [Table 10] [BS]
BS 4174 - 1972 		Slotted 80° Truncated Countersunk Head Screws [Table 10]
25 Slotted Countersunk Head Tapping Screws [GB]
GB /T 5283 - 1985 		Slotted Countersunk Head Tapping Screws
26 Slotted 80°countersunk Head Self-Tapping Screws [Table 8] [BS]
BS 4174 - 1972 		Slotted 80°countersunk Head Self-Tapping Screws [Table 8]
27 Slotted Countersunk Head Tapping Screws [Annex Table 2] [JIS]
JIS B 1115 (AT2) - 1996 		Slotted Countersunk Head Tapping Screws [Annex Table 2]
28 Slotted Countersunk Head Tapping Screws [Table JA3] [JIS]
JIS B 1115 (JA4) - 2015 		Slotted Countersunk Head Tapping Screws [Table JA3]
29 Slotted Countersunk（Flat）Head Tapping Screws [GB]
GB /T 5283 - 2017 		Slotted Countersunk（Flat）Head Tapping Screws
30 ISO Metric Slotted Countersunk Head Tapping Screws [AS]
AS /NZS 4404 - 1996 		ISO Metric Slotted Countersunk Head Tapping Screws