Micrometers
Spline Micrometers SERIES 111, 131
• The anvil and spindle have a small diameter for measuring splined shafts, slots and keyways. • Measuring faces: Carbide tipped.
• Equipped with Ratchet Stop for constant measuring force.
B
111-166
Type A ø3 mm
Type B ø2 mm
10 10
5 5
SPECIFICATIONS Inch Order No. Range (in)
Graduation (in)
Flatness (in)
Parallelism (in)
Accuracy* (in)
Measuring face
Unit: mm
Unit: mm
Analog
111-166
0 - 1
0.0001
±0.00015
0.000012
0.00008
Type A
Mechanical counter model 131-166 0 - 1
0.0001
±0.00015
0.000012
0.00008
Type A
c
a
L
25
12
48.5
62.9
Metric
Range (mm)
Graduation (mm)
Flatness (µm)
Parallelism (µm)
Order No.
Accuracy* (µm)
Measuring face
Analog
111-215 111-115 111-116 111-117 111-118 111-119 111-120 111-121 a 111-122 111-123 111-124 111-125 111-126
0 - 25 0 - 25
Type B
±3
2
25 - 50 50 - 75
75 - 100 100 - 125 125 - 150 150 - 175 175 - 200 200 - 225 225 - 250 250 - 275 270 - 300
±4
3
0.01
0.3
Type A
c
L
25
12
66.5
62.9
±5
4
±6
5
Mechanical counter model 131-115
0 - 25
0.01
±3
0.3
2
Type A
* E MPE (ISO 3611:2023 and ASME B89.1.13-2013) Models up to 300 mm measuring range Analog models DIMENSIONS
Unit: mm
Order No. 111-215 111-115 111-116 111-117 111-118 111-119 111-120 111-121 111-122 111-123 111-124 111-125 111-126
L
a
b
c
L
c
a
12
15
25
66.9
0 10 25 12 50 14
38 49 60
17.5
75 16.7 79 20.3 100 18.8 94 20.7 125 19.1 106 21.1 150 18.2 118 21.3 175 16.8 130 21.7
200 225 250 275
143 20.5
156 169 181
18
21.5
Where to Buy
B-50
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