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STARRETT Magnetic-Base Indicator Holder: Magnetic-Base Indicator Holder, Rigid Arm - Magnetic Base Indicator Holders
STARRETTMagnetic Base Indicator Holders

STARRETT Magnetic-Base Indicator Holder: Magnetic-Base Indicator Holder, Rigid Arm

The STARRETT 657D Magnetic-Base Indicator Holder is a rigid-arm magnetic base indicator holder with an On/Off Knob. It features a magnetic base and measures 1-7/8 in L x 1.625 in W x 1-15/16 in H, with a 1/4"-20 thread.

SKU 3G-OTH-231447

Brand
STARRETT
Item
Magnetic-Base Indicator Holder: Magnetic-Base Indicator Holder, Rigid Arm
Category
Magnetic Base Indicator Holders
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Technical Specifications

STARRETT
Manufacturer Part Number
657D
Type
Rigid Arm, Magnetic Base
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STARRETT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The STARRETT 657D Magnetic-Base Indicator Holder is a rigid-arm magnetic base indicator holder with an On/Off Knob. It features a magnetic base and measures 1-7/8 in L x 1.625 in W x 1-15/16 in H, with a 1/4"-20 thread.

Frequently Asked Questions

What is the STARRETT 657D Magnetic-Base Indicator Holder used for?

The STARRETT 657D Magnetic-Base Indicator Holder is used to securely position dial indicators or test indicators on ferrous surfaces during precision measurement, inspection, or machining setups. Its rigid arm and magnetic base with On/Off Knob provide stable, repeatable positioning in manufacturing, quality control, and toolroom applications.

What are the specifications of the STARRETT 657D Magnetic-Base Indicator Holder?

The STARRETT 657D is a rigid-arm, magnetic-base indicator holder with an On/Off Knob. It measures 1-7/8 in L x 1.625 in W x 1-15/16 in H and features a 1/4"-20 thread for mounting indicators. The magnetic base provides strong holding force on flat steel surfaces, and the On/Off Knob allows easy engagement and release.

Where to buy the STARRETT 657D Magnetic-Base Indicator Holder worldwide?

You can source the STARRETT 657D Magnetic-Base Indicator Holder through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine STARRETT products to procurement teams and engineers globally.

How to install the STARRETT 657D Magnetic-Base Indicator Holder?

To install the STARRETT 657D, first clean the mounting surface on a ferrous machine or table. Turn the On/Off Knob to the ON position to activate the magnetic base, then position the holder firmly. Attach your indicator to the 1/4"-20 threaded stud. Ensure the arm is rigid before taking measurements. Always turn the knob OFF before repositioning.

Used in

Common applications for STARRETT
Structural steel fabrication — TENNAX™-PRO bi-metal band saw blades for cutting beams and channels
Stainless steel pipe cutting — Advanz™ CS carbide-tipped band saw blades for abrasive material
Aluminum extrusion cutting — Duratec™ SFB carbon steel band saw blades for soft metals
General metalworking maintenance — Intenss™ PRO-DIE high-speed steel band saw blades for mixed metals
Hard alloy tool steel cutting — Intenss™ PRO bi-metal band saw blades with hook edge
Wood and non-ferrous material sawing — Duratec™ SFB carbon steel blades for multi-material shops

STARRETT Products

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.

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STARRETT Magnetic-Base Indicator Holder: Magnetic-Base Indicator Holder, Articulating Arm (MPN 660). Key specifications — attr1184043: STARRETT; attr1200946: Magnetic-Base Indicator Holder; attr1184025: Fine Adjust Base (FAB); attr1184013: 660; attr1184031: On/Off Knob; attr1184022: Magnetic; attr1184027: 1.375 in L x 1.375 in W x 1.1875 in H; attr1184030: 1/4"-20.
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STARRETT Magnetic-Base Indicator Holder: Magnetic-Base Indicator Holder, Rigid Arm, Magnetic Base (MPN 657A). Key specifications — attr1184043: STARRETT; attr1200946: Magnetic-Base Indicator Holder; attr1184025: Fine Adjust Base (FAB); attr1184013: 657A; attr1184031: On/Off Knob; attr1184022: Magnetic; attr1184027: 1-7/8 in L x 1.625 in W x 1-15/16 in H; attr1184030: 1/4"-20.
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