Starrett 52846 Feeler Gage 0.008 in Parallel Leaf Steel

Product Description

The STARRETT 52846 is a single-leaf feeler gage designed for measuring precise clearances in mechanical assemblies. The parallel leaf profile maintains a consistent 0.008 inch thickness across the full 12 inch length, making it reliable for gap checks on valve clearances, bearing fits, and similar close-tolerance applications. The leaf is 0.5 inches wide and manufactured from tempered steel for dimensional stability and resistance to wear. Licensed technicians and machinists use this type of gage as a standard hand tool when verifying or setting clearances during assembly, adjustment, or inspection tasks.

This feeler gage leaf suits a broad range of trade applications including HVAC equipment alignment, compressor valve checks, motor bearing clearance measurement, and general mechanical service work. Its 12 inch parallel leaf length provides reach into confined spaces without deflecting under light hand pressure. The tempered steel construction holds calibration under repeated use in shop and field environments. It is well suited to HVAC technicians, millwrights, and service mechanics who require a straightforward single-thickness gage leaf.

Key Features

• Parallel leaf style maintains uniform 0.008 inch thickness along the full 12 inch length
• Tempered steel construction provides durability and dimensional stability
• 0.5 inch leaf width gives adequate contact area for stable gap readings
• 12 inch length allows access to recessed clearance points in assemblies
• Single-leaf format for focused use at one specific tolerance

Compatibility

Designed as a standard single-leaf feeler gage for general mechanical and HVAC service applications requiring a 0.008 inch clearance measurement.

Installation Notes

Feeler gages are hand tools and do not require power-down procedures for the gage itself, but always shut down and de-energize equipment before inserting a gage into a live assembly. Slide the leaf into the gap with light, consistent hand pressure — forcing the leaf can bend it and introduce measurement error. Clean the leaf before and after use to prevent contamination from affecting clearance readings. No specialized tools or trade license are required to use this gage, though familiarity with tolerance specifications for the equipment being serviced is expected.