STARRETT Magnetic-Base Indicator Holder: Magnetic-Base Indicator Holder, Flex Arm
The STARRETT Magnetic-Base Indicator Holder (MPN 657TW) is a magnetic-base indicator holder with a Fine Adjust Base (FAB) and an On/Off Knob. Its magnetic base measures 1-7/8 in L x 1.625 in W x 1-15/16 in H and…
SKU 3G-OTH-231426
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Product Description
The STARRETT Magnetic-Base Indicator Holder (MPN 657TW) is a magnetic-base indicator holder with a Fine Adjust Base (FAB) and an On/Off Knob. Its magnetic base measures 1-7/8 in L x 1.625 in W x 1-15/16 in H and features a 1/4"-20 thread. This STARRETT product is designed for holding indicators in industrial settings.
Frequently Asked Questions
What is the STARRETT Magnetic-Base Indicator Holder used for?
The STARRETT 657TW Magnetic-Base Indicator Holder is used to securely mount dial indicators or test indicators on machine tools, surface plates, or inspection fixtures. Its magnetic base with on/off knob and fine adjust base allows precise positioning for dimensional measurement in machining, quality control, and industrial maintenance applications.
What are the specifications of the STARRETT 657TW indicator holder?
The STARRETT 657TW is a flex-arm magnetic-base indicator holder with a Fine Adjust Base (FAB) and on/off knob. Its magnetic base measures 1-7/8 in L x 1.625 in W x 1-15/16 in H and has a 1/4\"-20 thread. The manufacturer part number is 657TW, and it is designed for holding indicators in industrial settings.
Where to buy the STARRETT 657TW indicator holder worldwide?
3G Electric supplies the STARRETT 657TW Magnetic-Base Indicator Holder to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this genuine STARRETT product for your precision measurement needs.
How to install the STARRETT magnetic-base indicator holder?
To install the STARRETT 657TW, clean the mounting surface, then turn the on/off knob to activate the magnetic base. Position the base on a ferrous surface and secure it. Attach your indicator to the 1/4\"-20 threaded arm, then use the Fine Adjust Base (FAB) for precise positioning. Always verify stability before measurement.
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3G Electric supplies STARRETT magnetic base indicator holders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













