Micrometer Head
Micrometer Heads SERIES 197 — Long Stroke Non-rotating Spindle • Large-thimble micrometer head with
DIMENSIONS
non-rotating spindle. Dual-spindle mechanism for quick feeding and bidirectional graduation for easy reading. • Floating thimble allows easy zero setting at any spindle position.
Unit: mm
Plain stem
20
80
B
Speeder
10
90
0
0
90
10
14
80
20
(29)
64
(89)
79
197-101
197-101 Mass: 300 g
SPECIFICATIONS Inch Order No. Range Graduation
( ): with spindle fully retracted.
Graduation features
Stem dia. Stem Spindle end Spindle pitch
Accuracy
197-201 0 - 2 in 0.0002 in Bidirectional
0.709 in Plain Flat (carbide tip)
0.05 in
±0.0001 in
Metric Order No. Range Graduation
Graduation features
Stem dia. Stem Spindle end Spindle pitch
Accuracy
197-101 0 - 50 mm 0.005 mm Bidirectional
18 mm Plain Flat (carbide tip)
1 mm
±5 µm
• Measuring face: Material/Carbide tip, Hardness/90 HRA or more, Lapped • Scale finishing: White anodized aluminum
Micrometer Heads SERIES 153 — High Accuracy and Resolution • Fine graduation and high accuracy model, suitable for inspection equipment. • Non-rotating spindle type. DIMENSIONS 4 5 6 46 45 44
Unit: mm
6
44
47
3
48
2
45
5
0 0.5 1.0 1.5 2.0
2.0 1.5 1.0 0.5 0
49
1
46
4
Plain stem
A
0
0
47
3
49
1
48
2
0 0.5 1.0 1.5 2.0
2.0 1.5 1.0 0.5 0
48
2
49
1
A
47
3
0
0
46
4
49
1
45
5
48
2
31.8
47
3
44
6
46
4
(35.4)
75
45
5
(100)
60.4
31.8
44
6
(35.4)
75
(100)
60.4
153-301 153-302
Mass: 765 g Mass: 775 g
153-301
120°
120°
120°
120°
3-M4×0.7 PCD28 [No8-32UNC PCD1.125 in]
[ ]: 153-302 ( ): with spindle fully retracted.
View from A
SPECIFICATIONS Inch Order No. Range Graduation
3-M4×0.7 PCD28 [No8-32UNC PCD1.125 in]
View from A
Graduation features Bidirectional
Stem dia. Stem Spindle end Spindle pitch
Accuracy*
10 µinch (Vernier)
±0.00005 in/ ±0.00003 in
153-302 0 - 1 in
0.75 in Plain Flat (carbide tip)
0.025 in
Metric Order No. Range Graduation
Graduation features Bidirectional
Stem dia. Stem Spindle end Spindle pitch
Accuracy*
0.0005 mm (Vernier)
153-301 0 - 25 mm
18 mm Plain Flat (carbide tip)
0.5 mm ±1/±0.5 µm
• Measuring face: Material/Carbide tip, Hardness/90 HRA or more, Lapped • Scale finishing: White anodized aluminum * Wide range/narrow range
B-120
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