|
   
TAPPING SCREW |
|
 |
| TAPPING SCREW |
 |
unit: mm
Title
of the screws |
2 |
2.3 |
2.6 |
3 |
3.5 |
4 |
4.5 |
5 |
6 |
8 |
d
outer diameter |
1st
kind |
maximum
minimum |
2.1
2.0 |
2.4
2.3 |
2.7
2.6 |
3.1
3.0 |
3.65
3.50 |
4.15
4.00 |
4.65
4.50 |
5.2
5.0 |
6.2
6.0 |
8.2
8.0 |
2nd
and 4th kind |
maximum
minimum |
2.0
1.9 |
2.3
2.2 |
2.6
2.5 |
3.0
2.9 |
3.5
3.4 |
4.00
3.85 |
4.50
4.85 |
5.00
4.85 |
6.00
5.85 |
8.0
7.8 |
3rd
kind |
maximum
minimum |
1.98
1.89 |
2.28
2.19 |
2.58
2.48 |
2.98
2.87 |
3.47
3.36 |
3.97
3.84 |
4.47
4.34 |
4.97
4.84 |
5.97
5.82 |
7.96
7.79 |
d1
curvature angle
|
1st
kind |
maximum
minimum |
1.5
1.4 |
1.7
1.6 |
1.9
1.8 |
2.2
2.1 |
2.6
2.5 |
3.0
2.9 |
3.3
3.2 |
3.7
3.5 |
4.5
4.3 |
6.0
5.8 |
2nd
and 4th kind |
maximum
minimum |
1.5
1.4 |
1.7
1.6 |
2.0
1.9 |
2.3
2.2 |
2.7
2.6 |
3.0
2.9 |
3.4
3.3 |
3.8
3.6 |
4.6
4.4 |
6.1
5.9 |
3rd
kind |
maximum
minimum |
1.46
1.37 |
1.76
1.67 |
2.00
1.90 |
2.33
2.22 |
2.69
2.57 |
3.06
2.93 |
3.50
3.36 |
3.93
3.78 |
4.67
4.50 |
6.34
6.14 |
#
of screw stairs
(for 25.4m/m) |
1st
kind
2nd and 4th kind |
32
40 |
32
32 |
28
28 |
24
24 |
18
20 |
16
18 |
14
16 |
12
16 |
10
14 |
9
12 |
d3
screw stairs diameter |
2nd
kind
|
maximum
minimum
|
1.4
1.2 |
1.6
1.4 |
1.9
1.7 |
2.2
2.0 |
2.6
2.7 |
2.9
2.7 |
3.3
3.0 |
3.6
3.3 |
4.4
4.0 |
5.9
5.4 |
3rd
kind |
maximum
minimum
|
1.37
1.23 |
1.67
1.53 |
1.90
1.73 |
2.22
2.02 |
2.57
2.37 |
2.93
2.67 |
3.36
3.10 |
3.78
3.48 |
4.50
4.17 |
6.14
5.75 |
pitch
P |
3rd
kind |
0.4 |
0.4 |
0.45 |
0.5 |
0.6 |
0.7 |
0.75 |
0.8 |
1 |
1.25 |
|
? punching hole of the object
for tapping screw
unit: mm
thickness
of the board |
0.4 |
0.6 |
0.8 |
1.0 |
1.2 |
1.6 |
2.0 |
2.6 |
3.2 |
4.0 |
5.0 |
10. |
16.0 |
1
kind |
3.0 |
2.2 |
2.3 |
2.4 |
2.6 |
|
|
|
|
|
|
|
|
|
3.5 |
2.5 |
2.6 |
2.7 |
2.9 |
|
|
|
|
|
|
|
|
|
4.0 |
2.7 |
2.9 |
3.0 |
3.2 |
|
|
|
|
|
|
|
|
|
4.5 |
|
3.3 |
3.4 |
3.6 |
|
|
|
|
|
|
|
|
|
5.0 |
|
3.6 |
3.8 |
4.0 |
|
|
|
|
|
|
|
|
|
6.0 |
|
4.5 |
4.7 |
4.9 |
|
|
|
|
|
|
|
|
|
2?4
kind |
2.3 |
1.7 |
1.7 |
1.8 |
1.9 |
1.9 |
2.0 |
|
|
|
|
|
|
|
2.6 |
1.9 |
2.0 |
2.1 |
2.1 |
2.2 |
2.3 |
|
|
|
|
|
|
|
3.0 |
2.3 |
2.4 |
2.5 |
2.5 |
2.6 |
2.6 |
2.7 |
|
|
|
|
|
|
3.5 |
2.6 |
2.7 |
2.8 |
2.8 |
2.9 |
2.9 |
3.0 |
3.2 |
|
|
|
|
|
4.0 |
|
3.0 |
3.0 |
3.1 |
3.2 |
3.3 |
3.4 |
3.6 |
3.7 |
|
|
|
|
4.5 |
|
3.4 |
3.5 |
3.6 |
3.7 |
3.8 |
3.9 |
4.0 |
4.1 |
4.2 |
|
|
|
5.0 |
|
3.8 |
3.9 |
4.0 |
4.1 |
4.2 |
4.3 |
4.4 |
4.5 |
4.6 |
|
|
|
6.0 |
|
|
4.7 |
4.8 |
4.9 |
5.0 |
5.1 |
5.3 |
5.5 |
5.7 |
5.7 |
|
|
3
kind |
M
2.0 |
|
|
|
1.6 |
1.6 |
1.7 |
1.7 |
1.8 |
1.8 |
|
|
|
|
M
2.3 |
|
|
|
1.9 |
1.9 |
2.0 |
2.0 |
2.1 |
2.1 |
2.1 |
|
|
|
M
2.6 |
|
|
|
2.2 |
2.2 |
2.3 |
2.3 |
2.4 |
2.4 |
2.4 |
|
|
|
M
3×0.5 |
|
|
|
2.5 |
2.5 |
2.5 |
2.6 |
2.7 |
2.7 |
2.7 |
|
|
|
M
3.5 |
|
|
|
2.9 |
3.0 |
3.0 |
3.1 |
3.1 |
3.1 |
3.2 |
3.2 |
|
|
M
4×0.7 |
|
|
|
3.3 |
3.4 |
3.5 |
3.5 |
3.6 |
3.6 |
3.7 |
3.7 |
|
|
M
4.5 |
|
|
|
3.8 |
3.9 |
3.9 |
4.0 |
4.0 |
4.1 |
4.1 |
4.2 |
|
|
M
5×0.8 |
|
|
|
4.3 |
4.3 |
4.4 |
4.5 |
4.6 |
4.6 |
4.6 |
4.7 |
4.7 |
|
M
6.0 |
|
|
|
5.3 |
5.4 |
5.4 |
5.5 |
5.5 |
5.5 |
5.5 |
5.6 |
5.7 |
5.7 |
M
8.0 |
|
|
|
7.3 |
7.4 |
7.4 |
7.5 |
7.5 |
7.5 |
7.5 |
7.6 |
7.7 |
7.7 |
|
|
 |
| 1st kind, 2nd kind, 3rd kind and 4th kind |
 |
|
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|
