Indica tor 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 with equal pressure to eliminate spindle binding. Made of steel with black finish. Overall length of collet and threads is 1". AGD Indica tor Accessories Split Bushings Split bushings fit over the indicator stem to increase the overall diameter for mounting in fixtures. 25SC14 25SC38 25LC Range Limit Cap The Range Limit Cap replaces the stem cap furnished on most 81, 25, 2600, 655 and 656 AGD Indicators, preventing the possible error of a complete revolution. It can be adjusted to limit an indicator's measuring range any amount up to 3/8" (9.5mm). Long Stem Dial Indica tors 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. Split Bushing Attachment Threaded Stem Attachment Stem Collet Range Limit Cap Threaded Stems Threaded stems on Starrett indicators with a .375" (9.5mm diameter stem up to 1" (25mm) range (except long stem models) are available at additional cost. A threaded stem is often desirable for attaching the indicator to machine tools or fixtures. A 3/8-24 thread is furnished unless otherwise specified. 648 Depth Gage Bases with Stem Collet Depth gage base with 25SC38 Stem Collet to fit 3/8" (9.5mm) stem dia. (as per AGD). Split bushings for adapting stem diameter are available but not included. 25SC Split Collets English Thread Cat. No. EDP Thread Size Thread Length Hole for Indicator Stem 25SC14 50155 3/8-24NF 9/32" (7mm) .375" (9.5mm) Diameter to 1/2" (12.7mm) depth; 1/4" (6.3mm) Diameter through hole 25SC38 50156 1/2-20NF .375" (9.5mm) Diameter through hole 25SC38B 55995 1/2-32UN .375" (9.5mm) Diameter through hole 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 for 80 Miniature Dial Indicators Cat. No. EDP Length Diameter Inside Outside 80SB 56008 1/2" .219" .375" Split Bushings for AGD English Indicators Cat. No. EDP Length Diameter Inside Outside 25SB 50154 1/2" .375" .500" Split Bushings for AGD Metric Indicators Cat. No. EDP Length Diameter Inside Outside 25MSB 56007 12.7mm 8mm 9.5mm 648 Depth Gage Bases with Stem Collet Cat. No. EDP Base Size in mm 648-4 65850 4 100 648-6 65851 6 150 648-8 65852 8 200 25LC Range Limit Cap Part No. EDP 25LC 50152 167 starrett.com I ndica tors and G ages