Dorsey and Standard Gage dial bore gage size 6
Spare Parts for 6.000 - 12.125 inch range

These parts are interchangeable with Standard No.6 dial bore gages made in USA, Switzerland and Germany as well as the new Dorsey Standard-style dial bore gages. This parts list is for reference only. Spare parts are not available from us at this time. Information on new No.6 dial bore gages can be found on page 71.

 

IMG0779Webshot

contact point wrench (for items #9, #13, #14, #16, #18)
large diameter = .320" and small diameter = .195"

X2-89946

extension and locknut wrench

X2-89947

hex wrench

X2-89942

12" depth extension (specify 1" diameter or 5/8" diameter)****

X2-81006-12

1

gaging unit assembly carbide/steel

X2-86066

1

gaging unit assembly steel/steel

X2-86056

2

gaging plunger

X2-86456

3

centralizing plunger (order E-ring separately)

X2-86556

4

centralizer spring

X2-89256

5

centralizer washer

X2-89456

6

E-ring

X2-85559

7

head

X2-86156

8

gaging plunger stop screw

X2-87456

9

locknut

X2-85932

10

equalizer

X2-86356

11

equalizer spring

X2-89356

12

adjusting screw

X2-88456

13*

centralizing plunger extension .837” long (see notes below)

X2-86259

13*

centralizing plunger extension .978” long (see notes below)

X2-86260

14*

gaging plunger extension .625” long (see notes below)

X2-86457

14*

gaging plunger extension .750” long (see notes below)

X2-86458

15

**range extension set (6 extensions, contacts and locknuts)

X2-85867

15

***range extension kit 12.125 through 24.56 inches

B0-85966

16

range extension 1.812” long

X2-85861

16

range extension 2.812” long

X2-85862

16

range extension 3.812” long

X2-85863

16

range extension 4.094” long

X2-85864

16

range extension 5.094” long

X2-85865

16

range extension 6.094” long

X2-85866

17

locknut for range extension

X2-85961

18

contact point, carbide

X2-86696

18

contact point, Delrin®

X2-86696D

18

contact point, steel

X2-86656

18

contact point, diamond

X2-86676

27

compression spring

X2-89366

28

collar for compression spring

X2-89466

32

screw for extension housing

X2-82656

 

Notes: the range extensions (item #16) have a thread diameter of 7/16-40. We provide this information in case the threads on the measuring head are damaged and need to be re-tapped.

* Special centralizing extensions (#13) and plunger extensions (#14) are needed when measuring above 9" in diameter. To determine which size extensions you will need, please refer to the details on page 13.

** Range extension set X2-85867 does not include extension #13 or extension #14 as shown in the drawing. If you need these, they must be ordered separately.

*** The range extension kit B0-85966 will allow you to measure beyond the standard range of this bore gage, up to 24.56 inches. The kit consists of the following 6 items:

  • (3 pieces) 4" long range extensions which can be combined
  • (1 piece) .625" gaging plunger extension
  • (2 pieces) .975" centralizing plunger extension

In theory, multiple extensions can be combined but at some point the accuracy will suffer. If accuracy is critical, then a different bore measuring gage must be considered. We have no data to substantiate this.

**** We need to know if the dial unit has a 1” bore or a 5/8” bore. The old Poughkeepsie dial units for a #6 would all have the 1” bore. Many of the Dorsey dial units would have 5/8” bores. Either way the part number is X2-81006-12



Mitutoyo 293-344 Coolant Proof LCD Micrometer, Ratchet Thimble, 0-1"/0-25.4mm Range, 0.00005"/0.001mm Graduation, +/-0.00005" Accuracy, Without SPC
 


 



 

 

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New! Companion Reference Guide for Test Indicators … page 178
 

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This page's most recent revision: 6 December 2018
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Original photographs and content copyright 2018 by JWGrum

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