GCM-39~41 Vernier Micrometer Heads and Precision Screws
GCM-39~41 Vernier Micrometers and Precision Screws
We offer a variety of vernier micrometers, precision micrometers and precision screws. They are part of some of our other products and can be used in conjunction with other parts or for your own specific application.
The micrometers are sorted by travel range:

GCM-37 (6.5mm)
|
GCM-38 (50mm)
|
GCM-39 Precision Screws
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GCM-40 (25mm)
|
GCM-410 (13mm)
|
GCM-411 Precision (13mm)
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GCM-37 6.5 mm-Series Vernier Micrometers
GCM-37 Series Vernier Micrometers offer smooth movement for the most demanding requirements. The travel range is 6.5 mm, coarse scale reading is 0.5mm and fine scale reading is 0.01mm with a resolution of 2um. They can be used in conjunction with other parts.
GCM-37 6.5 mm-Series Vernier Micrometers
Catalog No. |
ØA |
ØB
|
L
|
End
|
Weight (g)
|
GCM-3701M |
Ø 3 |
Ø 6 |
0-6.5 |
Plane |
9.5 |
GCM-3702M |
Ø 3 |
Ø 6 |
5-11.5 |
Sphere |
10 |
All dimensions are in mm unless otherwise specified.
GCM-38 50 mm Vernier Micrometers
This micrometer offers high resolution and smooth movement. The travel range is 50mm with a scale of 0.5mm and vernier reading of 0.01mm.
GCM-38 50 mm Vernier Micrometers
Catalog No. |
ØA |
ØB
|
L
|
End
|
Weight (g)
|
GCM-3801M |
Ø 6 |
Ø 11 |
0-50 |
Plane |
155 |
All dimensions are in mm unless otherwise specified.
GCM-39 Precision Screws
These high precision Screws have threads of 0.25-0.35mm, giving better accuracy than ordinary micrometers can achieve. They can be employed in various components.
Catalog No. |
M |
D1 |
D2 |
d |
A |
B |
C |
H |
L |
dL |
Accuracy |
Weight (g) |
GCM-390101M |
M6x0.25 |
14 |
12 |
9 |
2 |
12 |
1.5 |
6-8 |
20 |
6 |
1µm |
20 |
GCM-390102M |
M6x0.25 |
14 |
12 |
9 |
2 |
12 |
1.5 |
6-8 |
30 |
18 |
1µm |
34 |
GCM-390103M |
M6x0.25 |
14 |
12 |
9 |
2 |
12 |
1.5 |
6-8 |
40 |
28 |
1µm |
41 |
GCM-390111M |
M8x0.25 |
16 |
14 |
11 |
2.5 |
15 |
2 |
7-9.5 |
25 |
10 |
1µm |
36 |
GCM-390112M |
M8x0.25 |
16 |
14 |
11 |
2.5 |
15 |
2 |
7-9.5 |
45 |
30 |
1µm |
48 |
GCM-390113M |
M8x0.25 |
16 |
14 |
11 |
2.5 |
15 |
2 |
7-9.5 |
65 |
50 |
1µm |
58 |
GCM-390201M |
M4x0.35 |
- |
8 |
6 |
1.25 |
8 |
1.5 |
6.5 |
13 |
5 |
1.5µm |
10 |
GCM-390202M |
M4x0.35 |
- |
8 |
6 |
1.25 |
8 |
1.5 |
6.5 |
18 |
10 |
1.5µm |
12 |
GCM-390203M |
M4x0.35 |
- |
8 |
6 |
1.25 |
8 |
1.5 |
6.5 |
23 |
15 |
1.5µm |
15 |
GCM-390211M |
M6x0.35 |
14 |
12 |
9 |
2 |
12 |
1.5 |
6-8 |
20 |
8 |
1.5µm |
20 |
GCM-390212M |
M6x0.35 |
14 |
12 |
9 |
2 |
12 |
1.5 |
6-8 |
30 |
18 |
1.5µm |
34 |
GCM-390213M |
M6x0.35 |
14 |
12 |
9 |
2 |
12 |
1.5 |
6-8 |
40 |
28 |
1.5µm |
41 |
GCM-390221M |
M8x0.35 |
16 |
14 |
11 |
2.5 |
15 |
2 |
7-9.5 |
25 |
10 |
1.5µm |
36 |
GCM-390222M |
M8x0.35 |
16 |
14 |
11 |
2.5 |
15 |
2 |
7-9.5 |
45 |
30 |
1.5µm |
48 |
GCM-390223M |
M8x0.35 |
16 |
14 |
11 |
2.5 |
15 |
2 |
7-9.5 |
65 |
50 |
1.5µm |
58 |
All dimensions are in mm unless otherwise specified.
GCM-400 25 mm Micrometer Heads
These widely used micrometers heads feature fine scale markings and smooth movement. The travel range is 25mm, coarse scale reading 0.5mm and fine scale reading 0.01mm, with a resolution of 1µm. They can be used in conjunction with other parts.

GCM-4001M

GCM-4001TM

GCM-4002M/GCM-4002TM


GCM-400 25 mm Micrometer Heads
Catalog No. |
ØA |
B |
L |
End |
Weight (g) |
GCM-4001M |
6.5 |
Ø 10 |
0-25 |
Plane |
105 |
GCM-4001TM |
6.5 |
M10 x 0.75 |
0-25 |
Plane |
105 |
GCM-4002M |
6.5 |
Ø 10 |
0-25 |
Sphere |
100 |
GCM-4002TM |
6.5 |
M10 x 0.75 |
0-25 |
Sphere |
100 |
All dimensions are in mm unless otherwise specified.
GCM-401 25 mm Precision Micrometer Heads
These precision micrometers heads have a travel range of 25mm, coarse scale reading 0.5mm and fine scale reading 0.001mm, with a resolution of 0.2µm. They can be used in conjunction with other parts.
GCM-401 25 mm Precision Micrometer Heads
Catalog No. |
ØA |
B |
L |
End |
Weight (g) |
GCM-4011M |
Ø 6 |
Ø 10 |
0-25 |
Plane |
110 |
GCM-4011TM |
Ø 6 |
M10 x 0.75 |
0-25 |
Plane |
110 |
All dimensions are in mm unless otherwise specified.
GCM-41 13 mm Micrometer Heads
These widely used micrometer heads feature fine scale markings and smooth movement. The travel range is 13mm, coarse scale reading 0.5mm and fine scale reading 0.01mm, with a resolution of 1µm. They can be used in conjunction with other parts.

GCM-4101M

GCM-4101TM

GCM-4102M


GCM-41 13 mm Micrometer Heads
Catalog No. |
ØA |
B |
L |
End |
Weight (g) |
GCM-4101M |
5 |
Ø10 |
0-13 |
Plane |
55 |
GCM-4101TM |
5 |
M10 x 0.75 |
0-13 |
Plane |
55 |
GCM-4102M |
5 |
Ø10 |
7-20 |
Sphere |
60 |
GCM-4102TM |
5 |
M10 x 0.75 |
7-20 |
Sphere |
60 |
All dimensions are in mm unless otherwise specified.
GCM-411 13 mm Precision Micrometer Heads
These precision micrometer head employs an elegantly designed differential movement. The travel range is 13mm, coarse scale reading 0.5µm and fine scale reading 0.5µm, with a resolution of 0.1µm. It can be used in conjunction with other parts.
GCM-411 13 mm Precision Micrometer Heads
Catalog No. |
L |
End |
Weight (g) |
GCM-411M |
1~14 |
Plane |
120 |
All dimensions are in mm unless otherwise specified.
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