Spi MS160712034 Magnetic Indicator Base on Off Switch

Product Description

The SPI MS160712034 is a magnetic indicator base designed to hold dial indicators, test indicators, and similar precision measuring instruments during inspection and layout work. The base uses a switchable permanent magnet that delivers 80 kg of magnetic pull, allowing the unit to lock firmly onto ferrous machine surfaces with a simple on/off switch. The base measures 2.36 inches in length, 2 inches in width, and 2.16 inches in height. A 6.30-inch post and a 7.09-inch articulating rod arm provide flexible positioning for accurate gauge placement. The unit weighs 3.5 pounds.

This magnetic indicator base is suited for use in machine shops, toolrooms, and manufacturing environments where dial or test indicators must be mounted securely to lathes, milling machines, surface plates, or other ferrous workholding surfaces. The on/off magnetic switch allows the technician to reposition the base without losing setup without disturbing the workpiece. It is commonly used by machinists, quality control inspectors, and toolmakers performing runout checks, surface sweeping, bore alignment, and part inspection routines.

Key Features

• Switchable permanent magnet base with 80 kg magnetic pull for secure holding on ferrous surfaces
• On/off switch allows fast repositioning without sliding or dragging the base across precision surfaces
• Post height of 6.30 inches provides vertical reach for most standard indicator setups
• Rod and arm length of 7.09 inches allows flexible horizontal reach and indicator positioning
• Mounting stem diameter of 0.38 inches compatible with standard indicator post holders
• Compact base footprint keeps the unit stable on limited machine table real estate

Compatibility

Designed as a general-purpose magnetic indicator base compatible with dial indicators and test indicators mounted on stems up to 8 mm (0.38 inches) in diameter, suitable for use on any flat ferrous surface.

Installation Notes

Installation is performed by machinists or quality control technicians without special tools. Before placing the base, ensure the mounting surface is clean, flat, and free of chips or coolant that could reduce magnetic hold. Turn the switch to the off position before moving or repositioning the base to protect precision surfaces. Verify indicator stem seating in the post holder is secure before activating the magnet and taking measurements.