Micrometer Head
Micrometer Heads SERIES 148 — Small Thimble Diameter Standard Type • Measuring range: .5 in or 13 mm • The thimble can be set to zero at any position by loosening the set screw.
B
SPECIFICATIONS Inch Order No. Range (in)
Graduation (in)
Stem dia. (in)
Accuracy (in)
Stem Spindle end
Special features
148-501 148-507 148-505 148-502 148-851 148-852 148-861 148-862
Plain
W/clamp nut
Flat
Plain* 1
Standard
W/clamp nut* 1
0 - 0.5
0.001
±0.0001
0.375
Plain
Spherical (SR4)
W/clamp nut* 1
Plain
Flat
Reverse reading
W/clamp nut* 1
• Spindle pitch: 0.025 in • Measuring face: Material/Alloy tool steel, Hardness/60 HRC or more, Lapped
• Satin-chrome plated *1 With spindle lock
Metric Order No.
Range (mm)
Graduation (mm)
Stem dia. (mm)
Accuracy (µm)
Stem Spindle end Special features
148-503 148-508 148-506 148-504 148-853 148-854 148-863 148-864
Plain
W/clamp nut
Flat
Plain* 1
Standard
W/clamp nut* 1
Plain
Spherical (SR4)
W/clamp nut* 1
0 - 13
0.01
±2
9.5
Plain
Flat
Reverse reading
W/clamp nut* 1
148-858 * 2 148-866 * 2 148-856 * 2 148-868 * 2
W/clamp nut Spherical (SR4)
Standard
Plain* 1 Plain* 1
Flat
Reverse reading
Spherical (SR4)
Standard
W/clamp nut
Flat
Reverse reading
• Spindle pitch: 0.5 mm • Measuring face: Material/Alloy tool steel, Hardness/60 HRC or more, Lapped
• Satin-chrome plated *1 With spindle lock *2 Made-to-order models
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B-93
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