Starrett 52612 Telescoping Gage 3/4 to 1-1/4 in

Product Description

The STARRETT 52612 is a telescoping gage designed for measuring inside diameters, bores, and hole sizes in precision trade and inspection work. It covers a measurement range of 3/4 inch to 1-1/4 inches with an overall length of 3.8 inches, making it well suited for confined bore measurements. The handle is 2-3/8 inches long and finished in satin chrome for durability and glare reduction. Machinists, pipefitters, plumbers, and HVAC technicians use telescoping gages like this one in combination with an outside micrometer to obtain accurate inside dimensions during installation, fitting, or quality checks.

The STARRETT 52612 is used wherever an accurate inside measurement is needed before selecting or fitting a component. Typical applications include checking pipe bore diameters, valve seats, pump housings, and cylinder bores in both residential and light commercial mechanical work. The compact overall length allows access to shallow bores or recessed measurement points that longer tools cannot reach. It is a standard instrument in any precision trade toolkit requiring repeatable bore measurement.

Key Features

• Measurement range of 3/4 inch to 1-1/4 inches suits common pipe and bore sizes
• 3.8 inch overall length provides access to shallow or recessed bores
• 2-3/8 inch handle length for controlled single-hand operation
• Satin chrome finish reduces glare and resists corrosion in shop environments
• Lightweight at 0.063 pounds for easy one-handed use during measurement

Compatibility

Designed as a general-purpose telescoping gage for use in any trade or mechanical inspection application requiring inside diameter measurement in the 3/4 inch to 1-1/4 inch range.

Installation Notes

Telescoping gages are used by machinists, plumbers, HVAC technicians, and other trade professionals for bore measurement and are not permanently installed. Compress the telescoping contacts, insert into the bore, allow the contacts to expand under light spring tension, then lock and withdraw before transferring the reading to a calibrated outside micrometer. Keep contact surfaces clean and free of burrs to maintain measurement accuracy.