Micrometers
Point Micrometers SERIES 112, 142
• Pointed spindle and anvil for measuring the web thickness of drills, small grooves, keyways, and other hard-to-reach dimensions. • The measuring points have approximately 0.3 mm radius.
• Carbide measuring tips are also available. • Equipped with Ratchet Stop for constant measuring force.
B
112-225
142-225
a
L
25
17
48.5
62.9
c
SPECIFICATIONS Inch Order No. Range (in)
Metric Order No.
Graduation (in)
Graduation (mm)
Range (mm)
Accuracy* (in)
Point
Point
Accuracy* (µm)
Analog
Analog
112-177 112-178 112-225 112-226 112-190 112-191 112-237 112-238 a
112-153 112-154 112-155 112-156 112-201 112-202 112-203 112-204 112-166 112-167 112-168 112-213 112-214 112-215 112-216
0 - 1 1 - 2 0 - 1
0 - 25
15º
±3
25 - 50 50 - 75 75 - 100 0 - 25 25 - 50 50 - 75 75 - 100
±0.00015
15º
30º
1 - 2 Analog (With carbide tip) 112-189 0 - 1
±4
0.01
±3
30º
0.001
15º
1 - 2 2 - 3 0 - 1
±0.00015
±4
Analog (With carbide tip) 112-165 0 - 25 62.9
30º
c
L
25
17
66.5
1 - 2 Mechanical counter model 142-177 0 - 1
±3
25 - 50 50 - 75 75 - 100 0 - 25 25 - 50 50 - 75 75 - 100
15º
15º 30º
±0.00015
142-225
±4
0.01
* E MPE (ISO 3611:2023 and ASME B89.1.13-2013)
±3
30º
±4
Mechanical counter model 142-153
15º 30º
0 - 25 0.01
±3
142-201
DIMENSIONS
Unit: mm
Analog models measuring range
15° type
30° type
c
a
L
25
17
15
66.9
10 10
30°
15° (SR0.3)
(SR0.3)
Frame thickness
Order No.
L a b c
112-153 112-154 112-155 112-156
0 10 38 25 12 49 50 14 60
(9)
(10) (11)
12.5
75 16.7 79 15.3 (13)
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B-52
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