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IndIcAtor bAcKs

specIAl IndIcAtor bAcKs
674 bAcKs WItH AdjustAble MountInG brAcKet
For use with gages and gaging fixtures where an adjustable indicator mounting is required. A
dovetail with rack and pinion adjustment provides 1-1/8" (28mm) indicator travel. A 1/8" hex
wrench is used to adjust and lock the indicator in final position. The bracket has two counter-
bored mounting holes (for 1/4" socket head screws), and the back has four screw holes so the
indicator back can be rotated.
1-5/8" (41) IndIca tors and GaGes
9/32 x 13/32"
C'BORE (2)
15/16"
1.000" ±.005 (25) (23.8)

1-9/16"
(39.7)

5/8"
±.005
7/8" (22) 35/64" (14) 2.000" (50.8) (15.9)
Plus Range
674 Backs with Adjustable Mounting Bracket 9/16" (14.3) TRAVEL
Cat. No. EDP Fits Starrett Models 9/16" (14.3)
674-1 66374 81 674-2
674-2 52892 25, 2600, 2900
674-3 52893 655
674-4 52894 656

676 MAGnetIc bAcKs 672 unIversAl bAcKs
These magnetic backs provide a quick and easy means of attaching Featuring a universal ball joint attached to the end of a gooseneck
any Starrett AGD indicator to flat, ferrous metal surfaces. A real time- shank, these attachments make it possible to position an AGD indicator
saver for machine, jig and fixture set up. Requires no clamps, rods or at any desired setting. The indicator can be rotated 360º and angularly
snugs. A special 5/16"-24 threaded stud back is provided to replace the up to 90º and locked in the desired position by tightening a single
standard lug back. The powerful, permanent magnet is then attached knurled nut. Straight shank is 3/8" (9.5mm) in diameter.
to the threaded stud. Anti-magnetic indicators are not required.

676 Magnetic Backs 672 Universal Backs
Cat. No. EDP Fits Starrett Models Cat. No. EDP Fits Starrett Models
676-1 56647 81 672-2 52887 25, 2600, 2900
676-2 56648 25, 2600, 2900 672-3 52888 655
676-3 56649 655 672-4 52889 656
676-4 56650 656

5/16" (24)
672-2
676-2
6-7/8" (175)
45º BEND
5-3/4" (146.0)
CLAMPING
SCREW

.375" (9.5) 1/4" (6.4)
1/64" (1.6)
1-7/8" (47.6) 27/64" (12)
BACK PLATE

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