Starrett 25SC38B Split Collet Thread for Dial Indicators - 1/2-32UN

The Starrett 25SC38B is a precision-machined split collet designed for use with Starrett dial indicators and compatible accessories. Featuring a 1/2-32UN thread, this collet provides a secure, repeatable clamping method for attaching dial indicator stems to holding fixtures, clamps, and indicator stands.

Key Features:

• Thread Size: 1/2-32UN — the standard thread used on Starrett and many compatible dial indicator accessories
• Split collet design allows tool-free, quick-release clamping and release of dial indicator stems
• Precision-machined to Starrett's exacting tolerances for accurate, repeatable indicator positioning
• Durable steel construction for long service life in shop and inspection environments
• Direct replacement or spare collet for Starrett Series 25 and compatible dial indicator holding systems

The 25SC38B is an essential spare or replacement component for metrology setups requiring reliable indicator mounting. Compatible with standard 3/8" (0.375") stem dial indicators and designed to integrate seamlessly into Starrett's broad ecosystem of indicator accessories and holders.