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Mitutoyo
Series 511
dial bore gage for blind hole measurement
Medidor de orificios - Vérificateur d'alésage

 

These extremely popular and mid-priced Mitutoyo dial bore gages have gaging heads with interchangeable anvils and carbide-tipped contacts. Each bore gage comes supplied with a .0001" dial indicator and all the anvils required for the range of the tool. Spacers are included for small adjustments to the range. Roller guides on larger models keep the measuring head centered in the bore. The measuring contact is carbide. All are included in a sturdy plastic case.

Accuracy is .0002" and "indication stability" (which probably means repeatability) is .00008"

 

Dial Bore Gage 511-441 with range of .6 to 1.4" shown above.

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The centering device has been modified so that measurement can be made to within .1" of the bottom of a blind hole.

Close-up of dial indicator in plastic housing (above). The mounting clamp and screw attaches the indicator to the bore measuring head. The appearance of the dial indicator may be different since Mitutoyo makes frequent design changes, usually in an attempt to foil the Chinese rip-off artists. Buying from an authorized Mitutoyo dealer will guarantee that you get the real item.

 

ScreenShot20111226at31237PM
 

Order no.

Measuring range

Probe depth

Indicator

Your price US$
prices range from $300-$700

511-441

.6" - 1.4"

6"

.0001"

check price and stock

511-442

1.4" - 2.4"

6"

.0001"

check price and stock

511-443

2" - 4"

6"

.0001"

check price and stock

511-444

2" - 6"

6"

.0001"

check price and stock

511-409

2" - 6"

6"

without*

check price and stock

511-421

15 - 35 mm

150 mm

0.001 mm

check price and stock

511-401

15 - 35 mm

150 mm

without*

check price and stock


*Note: In some cases, it is possible to buy the bore gage without an indicator. In those cases, the protective plastic housing is not included.

You may order online by selecting any linked model number above.

 

Mitutoyo dial bore gage depth extensions

Extension rods are not available for this series of bore gages. The standard measuring depth is 150 mm (about 6") not taking the handle into account. The handle is about 4" long and this could, under some circumstances, be added to the overall depth range.

Check our brand comparison page for alternatives. Professional repair service is always available from Long Island Indicator Service (see page 30).

  • For replacement parts such as missing spacers and worn anvils, see page 72.

 

Manufacturer's Notes on Usage

"The bore gage is a comparative measurement instrument. This gage cannot function or perform as a [direct] measurement instrument if used alone. Before using this bore gage, adjust the zero point by using a ring gage, micrometer, gauge block, bore gage zero checker, or other device manufactured for this purpose." [content edited]



 

Books by René Urs Meyer

The Companion Reference Book on Dial and Test Indicators … page 178
Repair Manual for Swiss-made BesTest and TesaTast Indicators … page 177
Starrett 711 Last Word Indicator Repair Manual … page 199
Interapid Indicator Repair Manual … page 208
 

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14 Sarah Drive — Hauppauge NY 11788 — USA


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This page's most recent revision: 30 JUNE 2016
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Original photographs and content copyright 2016 by JWGrum

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