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bAcK plunGer IndIcAtors

650, 651 bAcK-plunGer dIAl IndIcAtors
.200"
These workhorse back plunger indicators feature AGD (American Gage Design) stem
holding fixtures and the great variety of AGD contact points. These very versatile
indicators have the following features:
• 650 Indicators have a 3" (75mm) deep hole attachment that connects directly with 650B5
the main spindle for positive action. Attachment is convenient to use when checking
internal dimensions of a workpiece. When not needed, the attachment can be easily IndIca tors and GaGes
removed and the hole capped.
• 651 Indicators are identical to the 650 indicators except they cannot accept the
deep hole attachment
• Both models have large 1-11/16" (43mm) diameter bezels with easy-to-read dial 651B1
numbers and graduations
• Smooth and accurate operation due to their sturdy, basic design
• Hardened, stainless steel AGD stem .375" (9.5mm) diameter
• Shank dimension 1/4" (6.3mm) diameter, 3-3/16" (80mm) long
• With their .375" (9.5mm) AGD stem diameter, the 650 and 651 can be used with
our 670 Hole Attachment and our 671 Universal Attachment
• Adjustable dials to set zero at any point opposite the hand
• Inch reading dials have white faces and millimeter reading dials are yellow
• Three different styles of contact points are furnished with each indicator

650, 651 Back Plunger Dial Indicators
With Deep Hole Attachment Without Deep Hole Attachment
Cat. No. EDP Cat. No. EDP Grad. Range Dial Reading Description
650A1Z 64475 651A1Z 64483 .001" .200" 0-100 Indicator with 3 contact points, 3 attachments*, in case
650B1 64477 651B1 64485 Indicator with 3 contact points only
650A5Z 64474 651A5Z 64484 Indicator with 3 contact points, 3 attachments*, in case
650B5 64476 651B5 64486 .001" .200" 0-50-0 Indicator with 3 contact points only
650, 651 Back Plunger Dial Indicators
With Deep Hole Attachment Without Deep Hole Attachment Grad. Dial Reading Description
Cat. No. EDP Cat. No. EDP Range
650MA1Z 65261 651MA1Z 65263 5mm 0.01mm 0-100 Indicator with 3 contact points, 3 attachments*, in case
650MB1 65262 651MB1 65264 Yellow Dial Face Indicator with 3 contact points only
* Attachments include clamp, tool post holder and snug (PT18718).

Individual Contact Points Only
Photo Part No. EDP
PT01761 75263

PT06632-5 70793

PT06632-6 70794

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