粗短柄机用和手用丝锥     (mm)

代号

公称直径d

d₁

螺距P

l

l₁

L

方头

a

l₂

M1

1.0

2.5

0.25

5.5

28

4.5

2.00

4

M1.1

1.1

M1.2

1.2

M1.4

1.4

0.30

7.0

5.0

M1.6

1.6

0.35

8.0

32

M1.8

1.8

M2

2.0

0.40

36

5.5

M2.2

2.2

2.8

0.45

9.5

6.0

2.24

5

M2.5

2.5

M1×0.2

1.0

2.5

0.2

5.5

28

4.5

2.00

4

M1.1×0.2

1.1

M1.2×0.2

1.2

M1.4×0.2

1.4

7.0

5.0

M1.6×0.2

1.6

8.0

32

M1.8×0.2

1.8

M2×0.25

2.0

0.25

36

5.5

M2.2×0.25

2.2

2.8

9.5

6.0

2.24

5

M2.5×0.35

2.5

0.35