Micrometer Head
Micrometer Heads SERIES 250 — Digit Counter Type • Digit counter for easy reading of spindle movement.
250-301
SPECIFICATIONS Inch Order No. Range (in)
B
Graduation (in)
Stem dia. (in)
Spindle pitch (in)
Graduation features Vernier scale
Stem Spindle end
Accuracy (in)
250-312
0 - 1 0.0001 0.375 Plain Flat (carbide tip)
0.025
±.0001
Metric Order No.
Range (mm)
Graduation (mm)
Stem dia. (mm)
Spindle pitch (mm)
Graduation features
Stem Spindle end
Accuracy (µm)
250-301
0 - 25 0.01
10 Plain Flat (carbide tip)
0.5
—
±2
• Measuring face: Material/Carbide tip, Hardness/90 HRA or more, Lapped • Satin-chrome plated
DIMENSIONS
Unit: mm
Spindle lock
26.8
Ratchet
5
0
45
0 0 0 0 9 9 mm
Plain stem
15 (17)
93.8
42
(118.8)
250-301
Mass: 165 g
( ): with spindle fully retracted.
Micro Jack SERIES 7 • Used for accurate leveling of machines, surface plates, and other precision instruments. • Zero-setting is possible at any position. • Easy adjustment under heavy load.
Measurement example
7850
SPECIFICATIONS Metric Code No.
Range (mm) 60 - 75
Graduation (mm)
Remarks (kg)
Handle power at the max. loading (N)
7850
0.01
Max. load: 400
90
• Measuring face: Material/Alloy tool steel, Hardness/60 HRC or more, Lapped • Satin-chrome plated
DIMENSIONS
SR1×90°
Unit: mm
(85)
ø15
8
ø40 (Recessed) ø64
Talk to Sales
B-121
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