Size:3-4"
The Fowler 52-253-004-1 Vernier-scale micrometer has a 0.256"
diameter flat anvil/spindle pair for general purpose measuring.
The Vernier scale has 0.001" graduation intervals and 0.0002"
accuracy for precise and accurate readings. The carbide-tipped
anvil/spindle pair have hardened, precision-ground, and
micro-lapped measuring faces with 0.00003" flatness and 0.00012"
parallelism for accurate measurements. The positive locking lever
on the spindle locks measurements in place for accurate readings.
Ratchet stop applies constant force for repeatability between
users. Friction-style thimbles are suitable for one-handed
operation and stop turning when the spindle comes into contact
with the workpiece, providing constant force for consistent
measurements between operators. The ratchet stop thimble can be
used independently of the thimble. It provides an audible sound
and stops the spindle from turning when the spindle comes into
contact with the workpiece, providing constant force for
consistent measurements between operators. A satin chrome finish
on the thimble and sleeve helps reduce rust and glare, providing
long life, and microfine graduations help ensure accurate
readings. The micrometer includes a wrench and a fitted case.
Micrometers 2" and above include a standard. This product has a 1
year warranty offered by Fowler High Precision. If you experience
any problem contact Fowler directly for warranty cls.
Specifications
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Display type
Vernier
Anvil/spindle style
Flat
Measuring range
3-4”
Graduation interval
0.001"
Accuracy
0.0002”
Thimble style
Ratchet
Anvil/spindle diameter
0.256"
Flatness
0.00003"
Parallelism
0.00012"
Micrometers are precision measuring instruments that use a
calibrated screw to measure distances. These measurements are
translated into large rotations of the screw that are then able
to be read from a scale or a dial. Micrometers are typically used
in manufacturing, machining, and mechanical engineering. There
are three types of micrometer: outside, inside, and depth.
Outside micrometers may also be called micrometer calipers, and
are used to measure the length, width, or outside diameter of an
object. Inside micrometers are typically used to measure interior
diameter, as in a hole. Depth micrometers measure the height, or
depth, of any shape that has a step, groove, or slot.
Fowler, an American company, manufactures inspection and
measurement instruments such as electronic indicators, calipers,
bore gages, and digital scales. The company, founded in 1946, is
headquartered in Newton, MA.
What’s in the Box?
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· Fowler 3-4” outside micrometer
· Adjusting wrench
· 3” setting standard
· Fitted case
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- Outside micrometer with choice of measuring range and flat anvil/spindle pair for general purpose measuring.
- Vernier scale has microfine 0.001" graduations and accuracy of 0.0002" for precise readings.
- Hardened, precision-ground, and carbide-tipped anvil and spindle have 0.256" measuring faces with micro-lapped finish, 0.00003" flatness and .00012” parallelism for accurate measurements.
- Ratchet stop thimble provides exact and repetitive readings, satin chrome finish on thimble and sleeve helps resist rust and reduce glare.