Micrometer Head
Micrometer Heads SERIES 149 — Small Standard Type
with Carbide-tipped Spindle
• Carbide-tipped spindle provides high abrasion resistance. SPECIFICATIONS Inch Order No. Range (in) Graduation (in) Accuracy (in) Stem dia. (in)
Stem Spindle end Graduation features
B
149-148-10 149-147-10 149-185-10 * 3 149-182-10 149-811-10 149-812-10 149-831-10 * 2 149-832-10 * 2 149-181 * 2 Metric Order No. 149-132-10 149-131-10 149-183-10 149-184-10 149-801-10 149-802-10 149-821-10 149-822-10 149-803-10 * 2 149-804-10 * 2 149-823-10 * 2 149-824-10 * 2
Plain
W/clamp nut
Flat (carbide tip)
Plain* 1
Standard
W/clamp nut* 1
Plain
Spherical (SR4) (carbide tip)
0 - 0.5
0.001 ±0.0001
0.375
W/clamp nut
Plain
Reverse reading
Flat (carbide tip)
W/clamp nut
Plain* 1
Standard
Range (mm)
Graduation (mm)
Accuracy (µm)
Stem dia. (mm)
Stem Spindle end Graduation features
Plain
W/clamp nut
Flat (carbide tip)
Plain* 1
Standard
W/clamp nut* 1
Plain
Spherical (SR4) (carbide tip) Flat (carbide tip) Spherical (SR4) (carbide tip) Flat (carbide tip)
W/clamp nut
0 - 15
0.01
±2
9.5
Plain
Reverse reading
W/clamp nut
Plain* 1
Standard
W/clamp nut* 1
Plain* 1
Reverse reading
W/clamp nut* 1
• Spindle pitch: 0.5 mm or 0.025 in • Measuring face: Material/Carbide tip, Hardness/90 HRA or more, Lapped • Satin-chrome plated *1 With spindle lock *2 Made-to-order models *3 W/rachet ( 149-181 ) is available
DIMENSIONS
Plain Stem
Unit: mm
Mass: 55 g
0 -0.009
Set screw
ø9.5
Plain stem
Plain stem
Spherical face
Plain stem
0 45 5
Spherical face 149-801-10
Reverse reading 149-821-10
45
(17) 15
3.5
0
5
43.5
SR4
*1
*1
32
(58.5)
149-132-10
*1 Other dimensions are the same as 149-132-10 .
Plain Stem and Spindle Lock
Mass: 55 g
0 -0.009
ø9.5
Plain stem
Plain stem
Spherical face
Plain stem
Set screw
ø15 Spindle lock
Spherical face 149-803-10
Reverse reading 149-823-10
0 45 5
45
0
5
SR4
*2
*2
9.5
3.5
(11.5)
49
Talk to Sales
26.5
(64)
*2 Other dimensions are the same as 149-183-10 . ( ): with spindle fully retracted.
149-183-10
B-105
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