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SMALL SCREW

Small screw usually use mobile product such as cell phone and PDA so precision and clamping load is very important factor. very important factor.

If the size is small, there is some problem of looseness and damage of thread due to weakness of clamping load. We, Asiabolt, solve all problem with long-time experience of small screw field.

PAN HEAD SCREW

단위 : mms

종류 (HEAD)

나사의 호칭

피치 P

D

H

M

Q

da

F

G

기준치수
허용차
기준치수
허용차
참고
최대
최소
최대
최대
최대

1종

M1.4

0.3

2.2

-0.5

0.5

±0.05

1.55

0.74

0.51

1.8

0.1

2°

M1.6

0.35

2.4

-0.3571

0.55

0 / -0.01

1.85

0.84

0.56

2

M1.7

0.35

2.5

-0.5

0.5

±0.05

1.7

0.89

0.61

2.1

M2

0.4

3

+0.05 / -0.2

0.6

±0.08

2

1.21

0.91

2.5

M2.3

3.5

+0.2 / -0.25

0.7

2.2

1.41

1.06

2.9

0.15

M2.5

0.45

3.8

+0.2 / -0.25

0.9

0 / -0.14

3.1

M2.6

4

+0.2 / -0.05

0.8

±0.08

3.2

2종

M1.4

0.3

2.5

+0.05 / -0.1

0.5

±0.05

1.55

0.74

0.51

1.8

0.1

2°

M1.7

0.35

3

+0.05 / -0.1

0.55

1.7

0.89

0.61

2.1

M2

0.4

3.5

+0.05 / -0.2

0.6

±0.08

2

1.21

0.91

2.6

3종

M1.4

0.3

2.5

+0.05 / -0.1

0.8

±0.05

1.65

0.84

0.56

1.8

0.1

2°

M1.5

0.35

2.8

+0.14 / -0.1

0.85

0 / -0.1

1.8

1

0.71

2

M1.7

3

+0.1 / -0.1

0.9

±0.05

1.9

1.1

0.81

2.1

M2

0.4

3.5

+0.05 / -0.1

1

±0.08

2.1

1.31

1.01

2.6

M2.3

4

+0.2 / -0.1

1.1

2.2

1.41

1.08

2.9

0.15

M2.5

0.45

4.3

+0.25 / -0.25

1.3

0 / -0.14

M2.6

4.5

+0.2 / -0.2

1.2

±0.08

3.2

FLAT HEAD SCREW

단위 : mms

종류
나사의 호칭(d)
피치(P)
D
H
M
Q
F
G
기준치수
허용차
기준치수
허용차
참고
최대
최소
최대
최대
1종
M1.4
0.3
2
+0.05 / -0.1
0.48
0.15
1.55
0.74
0.51
0.1
2°
M1.6
0.35
2.4
0 / -0.14
0.55
1.65
0.84
0.56
M1.7
2.5
+0.05 / -0.1
0.58
1.7
0.89
0.61
M2
0.4
3
+0.05 / -0.2
0.73
0.2
2
1.21
0.91
M2.3
3.5
0.83
2.2
1.41
1.08
0.15
M2.5
0.45
3.8
0 / -0.25
0.85
M2.6
4
+0.05 / -0.2
0.93
3종
M1.4
0.3
2.5
+0.05 / -0.1
0.73
0.15
1.65
0.94
0.56
0.1
2°
M1.6
0.35
2.8
0 / -0.14
0.75
1.8
1
0.71
M1.7
3
+0.05 / -0.1
0.83
1.9
1.1
0.81
M2
0.4
3.5
+0.05 / -0.2
0.98
0.2
2.1
1.31
1.01
M2.3
4
1.06
2.2
1.41
1.06
0.15
M2.5
0.45
4.3
0 / -0.25
1.1
M2.6
4.5
+0.05 /  -0.2
1.18
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