8 pc SAE and Metric Piston Feeler Gauge Set - J.H. Williams

The J.H. Williams JHWGS-4 8 pc SAE and Metric Piston Feeler Gauge Set is an indispensable tool for professional automotive and industrial technicians, engineered to deliver precise clearance measurements. This professional-grade set provides a reliable solution for accurately determining critical tolerances in engine assembly, rebuilding, and machinery maintenance.

Key Features

• Precision Ground Blades: Eight precisely ground blades, measuring 9 inches in length and 1/2 inch in width, are engineered for accurate and consistent measurements in critical applications.
• Dual Measurement Etching: Each blade features clearly etched decimal SAE and equivalent metric sizes, enabling quick identification and versatile use across diverse specifications.
• Comprehensive Thickness Range: This set covers a vital range of common thicknesses from .002 to .015 inches (.051 to .381mm), addressing a wide array of measurement needs in various mechanical systems.
• Secure Blade Holder: Gauges are supplied in a durable holder equipped with a knurled lock-nut, allowing technicians to easily select and securely lock the required blade for stable, repeatable measurements.

Applications

This feeler gauge set is an essential tool for professional technicians during engine assembly and rebuilding, enabling accurate measurement of piston skirt-to-cylinder wall gaps and piston ring end gaps. It is also highly effective for setting precise valve tappet clearances in automotive engines and verifying tolerances in industrial machinery, precision molds, and other mechanical assemblies where exact gap measurement is crucial for proper function and longevity.

Specifications

• Manufacturer: J.H. Williams
• Model Number: JHWGS-4
• Number of Blades: 8
• Blade Dimensions: 9" L x 1/2" W
• Thicknesses (SAE / Metric Equivalent):
  • .002" (0.051mm)
  • .003" (0.076mm)
  • .004" (0.102mm)
  • .005" (0.127mm)
  • .006" (0.152mm)
  • .008" (0.203mm)
  • .010" (0.254mm)
  • .015" (0.381mm)