Starrett S4005-500 Pin Gage Set .251-.500 in Class ZZ Minus

The Starrett S4005-500 is a precision pin gage set covering a measurement range of .251 to .500 inches, designed for accurate hole and bore inspection in manufacturing, machining, and quality control environments. Each pin is manufactured to Class ZZ minus tolerances, ensuring reliable, repeatable measurements.

Key Features:

• Range: .251" to .500" in .001" increments — 250 pins total
• Class ZZ Minus tolerance for go/no-go and inspection applications
• Hardened and ground steel pins for long-lasting durability and wear resistance
• Pins are laser-etched or stamped with size markings for easy identification
• Includes a fitted storage case with individual labeled slots to keep pins organized and protected
• Corrosion-resistant finish helps maintain accuracy over time
• Manufactured by Starrett, a trusted name in precision measurement tools since 1880

The S4005-500 pin gage set is ideal for quality assurance departments, tool rooms, and machine shops requiring precise measurement of drilled, reamed, or bored holes. Each pin serves as a direct-reading gauge, eliminating the need for conversion or calculation. Compatible with standard pin gage handles (sold separately).