Starrett 57086 Parallel Feeler Gage Set 13 Piece

Product Description

The STARRETT 57086 is a 13-piece parallel feeler gage set designed for precise gap measurement in mechanical and maintenance applications. Each leaf is manufactured from tempered steel and measures 77 millimeters long by 12.7 millimeters wide. The set covers a range from 0.03 mm to 0.5 mm across 13 graduated thicknesses, giving technicians a broad measurement range in a single compact tool. Parallel leaf geometry ensures consistent width from tip to base, making it well suited for applications where uniform blade engagement is required. HVAC technicians, machinists, and general maintenance professionals rely on feeler gage sets like this for checking clearances on valves, bearings, spark plugs, and mechanical linkages.

This feeler gage set is appropriate for use in light industrial, commercial, and residential service environments. Common applications include checking compressor valve clearances, motor bearing endplay, burner orifice gaps, and other precision gap measurements encountered during preventive maintenance or equipment installation. The 13-leaf configuration with incremental steps provides enough resolution for most field and shop measurement tasks. Technicians working on HVAC equipment, gas appliances, and mechanical systems will find the range of 0.03 mm to 0.5 mm covers the majority of standard clearance specifications.

Key Features

• 13 tempered steel parallel leaves in a single set
• Measurement range from 0.03 mm to 0.5 mm
• Leaf dimensions: 77 mm long by 12.7 mm wide
• Parallel leaf style provides consistent width along full leaf length
• Thicknesses included: 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.15, 0.20, 0.30, 0.40, and 0.50 mm
• Tempered steel construction for durability in field and shop use

Compatibility

Designed as a general-purpose parallel feeler gage set suitable for gap and clearance measurement tasks across HVAC, plumbing, electrical, and mechanical service applications.

Installation Notes

Feeler gages are a measurement tool and do not require installation. Before taking clearance measurements on powered equipment, de-energize the unit and follow applicable lockout/tagout procedures. Insert leaves gently and avoid forcing blades into tight gaps to prevent bending or damage to the leaf. Clean leaves after use and fan them dry before storing to prevent corrosion on the tempered steel.