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IndIcAtor AccessorIes

AGd IndIcAtor AccessorIes

25sc splIt collets
ENGLISH AND METRIC THREADS
For mounting AGD Indicators with 3/8" (9.5 mm) or 8 mm stems in gaging and work location fixtures, these
collets simplify fixture mounting. Screw the collet into the fixture or into our 648 Depth Gage Base, insert the
indicator into the collet and tighten it in place with the hexagonal nut. Internal collet fingers grip the stem 25SC14
with equal pressure to eliminate spindle binding. Made of steel with black finish. Overall length of collet and
threads is 1". IndIca tors and GaGes

25SC Split Collets English Thread
Cat. No. EDP Thread Size Thread Length Hole for Indicator Stem
.375" (9.5mm) Diameter to 1/2" (12.7mm) depth; 1/4"
25SC14 50155 3/8-24NF (6.3mm) Diameter through hole
9/32" (7mm)
25SC38 50156 1/2-20NF .375" (9.5mm) Diameter through hole
25SC38B 55995 1/2-32UN .375" (9.5mm) Diameter through hole 25SC38
25SC Split Collets Metric Thread
Cat. No. EDP Thread Size Thread Length Hole for Indicator Stem
25SC8M 64885 M12 x 1.75 7mm 8mm Diameter through hole

splIt busHInGs tHreAded steMs
Split bushings fit over the indicator stem to increase the Threaded stems on Starrett indicators with a .375"
overall diameter for mounting in fixtures. (9.5mm diameter stem up to 1" (25mm) range (except
long stem models) are available at additional cost. A
Split Bushings for 80 Miniature Dial Indicators
Diameter threaded stem is often desirable for attaching the
Cat. No. EDP Length Inside Outside indicator to machine tools or fixtures. A 3/8-24 thread
80SB 56008 1/2" .219" .375" is furnished unless otherwise specified.
Split Bushing Attachment Split Bushings for AGD English Indicators
Diameter
Cat. No. EDP Length Inside Outside
25SB 50154 1/2" .375" .500"
Split Bushings for AGD Metric Indicators
Diameter
Cat. No. EDP Length Inside Outside
25MSB 56007 12.7mm 8mm 9.5mm

648 deptH GAGe bAses WItH steM collet 25lc rAnGe lIMIt cAp
Depth gage base with 25SC38 Stem Collet to fit 3/8" The Range Limit Cap replaces the stem cap furnished
(9.5mm) stem dia. (as per AGD). Split bushings for adapting on most 81, 25, 2600, 655 and 656 AGD Indicators,
stem diameter are available but not included. preventing the possible error of a complete revolution. It
Threaded Stem Attachment can be adjusted to limit an indicator's measuring range
648 Depth Gage Bases with Stem Collet any amount up to 3/8" (9.5mm).
Base Size
Cat. No. EDP in mm
648-4 65850 4 100 25LC Range Limit Cap
648-6 65851 6 150 Part No. EDP
648-8 65852 8 200 25LC 50152

lonG steM dIAl IndIcAtors
Starrett 81, 25, 2600, 655 and 656 Indicators through the 1" (25mm) range can be furnished with long stems up to
12" (300mm). These are especially useful for gaging in deep holes or where obstructions prevent the use of regular
indicators. Specify stem length from outside case diameter when ordering.
Long stems not available on 80 Miniature Dial Indicators.
Stem Collet

Range Limit Cap
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