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236HC Starrett Hook Rule Only for 236/236H Depth Gages: 0-6"
The Starrett 236HC Hook Rule Only has the following specifications:
Graduations: 32nds, 64ths
This depth gage has an added feature
permitting its use as a protractor for
measuring angles. It is a simple, handy tool
that is a welcome addition to any machinist's
The head is graduated both left and right to 30, 45, and 60 degrees. The rule can be set to any of these angles by swinging the rule until the line on the turret coincides with the desired angle.
Head is made of hardened steel, ground, and nicely polished – 2-5/8" (66mm) long and 1/8" (3mm) wide
One side of the base is cut out to permit easier and more accurate readings.
The center of the head is recessed so that the tool will lay flat to permit more accurate measurements.
A tempered rule that has been accurately machined divided is smoothly fitted to the head and can be locked in position by a knurled nut.
The 236H series are versatile gages that can be used for
calipering, as a depth gage by simply
reversing the rule, as a protractor, and as a
hook rule when removed from the tool.
Features are the same as the 236 except that
a hook rule and an extra 6" (150mm) long rod
are furnished with this gage. The rod has a
5/64" (2mm) diameter so it can measure the
depth of small holes, slots, and recesses that
the rule will not enter.