STARRETT 25SC38B Split Collet (25SC38B)

Dial Indicator Split Collet, 1/2-32UN Thread Size, 9/32" Thread length, .375" (9.5mm) Dia. through Hole for Indicator Stem. For mounting AGD indicators with 3/8" (9.5 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".