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dIAl IndIcAtors

desIGn feAtures dIAls, AccessorIes And optIons
• Rugged and simple unit construction with a "universally Balanced or Continuous Dials – Starrett AGD indicators are furnished with a balanced
fitting" design as shown dial (plus on right). A continuous dial (reading clockwise) may also be ordered.
• One gear unit assembly fits AGD Group 2 (our 25 Plus and Minus Graduations – Plus and minus readout – black figures read
Indicators), AGD Group 3 (our 655 Indicators) and AGD clockwise, red figures read counterclockwise, or colors reversed – are available
Group 4 (our 656 Indicators) on some 81 Dial Indicators.
• The gear unit is constructed of a massive single bridge Revolution Counters – All AGD indicators with 2-1/2 revolutions can be
and plate assembly with a hardened stainless steel furnished with double dial and count hand at a slight additional cost. Intermediate
gear train and long-range indicators have revolution counters IndIca tors and GaGes
• All gear trains are fully jeweled for sensitivity,
smoothness and life. (We do provide 1/2" and 1" Special Dials – Starrett dial indicators can be furnished with any standard dial
range models with plain bronze bearings)
– 0 + – 0 +
• The case is light but sturdy, with a hardened, precision 5 25 5 5
stainless steel rack that rides in bronze bushings. Size 25 .03 +.0 – .03 No.81-136-622 5 .0005" JEWELED .075" RANGE
Groups 0 and 1 indicators are of similar construction JEWELED
.0005"
but smaller in size. 10 20 10 20 10 No.25-136 10 Far Left: Dial with Plus and Minus Graduations
15 Left: Dial with Special Trademark Imprint
• Hardened stainless steel bottom stems can be held in 1 5
fixtures without cramping rack action
• Easy readability with the best, balanced style of marked with your company name or trademark. No charge when the indicators
graduation and number combination. (Too thick and are purchased in lots of 25 or more. For quantities under 25, there is an additional
accuracy suffers; too thin and readability suffers) charge. Prices are available on request.
• Balanced and tapered hands are easy to follow Antimagnetic Mechanism – An antimagnetic mechanism can be furnished on
• Special non-shock mechanism (can be furnished on most 81, 25, 655, 656, 196B6 Dial Indicators. This mechanism is desirable
most styles) is ideal for when an indicator may be when the indicator is used near a magnetic chuck or a similar magnetic field
subjected to repeated and excessive shocks which would disturb its operation. See individual listings for availability.
Attachments and Accessories – A variety of attachments and accessories are
E I J M N L
provided for mounting dial indicators on machine tools, inspection equipment
A and special fixtures, including:
• Backs
B
• Contact Points
C K • Dust Guard
F • Hole Attachments
D
G • Special Non-shock mechanism
H • Spindle Travel Controls
• Stem and Back Mounting Accessories
A. Sharp bezel serrations for positive grip
B. Non-reflecting white eggshell finish on dial (millimeter models have yellow dials) • Tolerance and Maximum Reading Hands
C. Unbreakable crystal
D. Hardened stainless steel stem
E. Positive-acting clamp locks bezel in position
F. No-glare satin finish on case
G. .375" mounting diameter (all AGD models)
H. Interchangeable contact point
I. Four screw holes for 90º rotation of back
J. Direct acting compression spring eliminates side friction
K. Hardened stainless steel rack and spindle
L. Massive bridge for rigid bearing support
M. Replaceable low friction jewel bearings
N. Hardened stainless steel gears and pinions Gear Unit + Case Assembly = Complete Indicator

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