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deptH GAGes

dIAl deptH GAGes
These depth gages are direct reading tools, referencing from their hardened and
ground bases. All bases are 2-1/2" (64mm) long. They are quicker and more
convenient to use than any other type of depth gage within their ranges and
accuracy. Electronic Indicators can be furnished by special order.

640, 640M dIAl deptH GAGes
Depth GaGes 640 dIAl deptH GAGes
0-1/2"/0-10MM

The contact is slightly up into the base at rest.
In action, the inspector sets the contact at
zero, which is usually at the bottom of
the base. Then the top button is pushed
down to contact the work and the
measurement is taken.
640r dIAl deptH GAGes
These gages are the same as the 640 except
they have reverse movement (no push button) 640
and can easily be used with one hand.
Simply set on zero and apply the contact
to the work and read the measurement.

640 Dial Depth Gages
In Case
Cat. No. EDP Range Graduation Dial Reading
640JZ 52705 0-1/2" .0005" 0-50
640RJZ 52709
640MJZ 55997 0-10mm 0.01mm 0-100
640MRJZ 56001

643 dIAl deptH GAGe
0-.125"
This gage has a knife-edge base and a
needle point contact which has been
hardened and ground. The knife-edge
base has a cutout so the conical point
can be precisely positioned for close
work. Point is 1/2" (12.7mm) long with a
40º included angle.
In action, the inspector gently pushes against
a surface plate or other calibrated surface. If
needed, rotate the bezel dial's zero indication with 643
the needle. Zero is then set and can be
locked via the locking screw.

643 Dial Depth Gages
In Case Without Case Dial
Cat. No. EDP Cat. No. EDP Range Graduation Reading
643JZ 52714 643J 52715 0-.125" .0005" 0-25-0
Electronic version available from Special Order Division.

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